diff --git a/build.zig b/build.zig
index e64f999..bfba4e2 100644
--- a/build.zig
+++ b/build.zig
@@ -7,7 +7,10 @@ const zmpl_build = @import("zmpl");
 const Environment = enum { development, testing, production };
 const builtin = @import("builtin");
 
-const use_llvm_default = builtin.os.tag != .linux;
+const use_llvm_default = switch (builtin.cpu.arch) {
+    .x86, .x86_64 => builtin.os.tag != .linux,
+    else => true,
+};
 
 pub fn build(b: *std.Build) !void {
     const target = b.standardTargetOptions(.{});
@@ -73,6 +76,7 @@ pub fn build(b: *std.Build) !void {
         .target = target,
         .optimize = optimize,
         .jetquery_migrations_path = @as([]const u8, "src/app/database/migrations"),
+        .jetquery_seeders_path = @as([]const u8, "src/app/database/seeders"),
         .jetquery_config_path = @as([]const u8, "config/database.zig"),
     });
     const jetcommon_dep = b.dependency("jetcommon", .{ .target = target, .optimize = optimize });
@@ -87,6 +91,10 @@ pub fn build(b: *std.Build) !void {
     b.modules.put("jetquery", jetquery_dep.module("jetquery")) catch @panic("Out of memory");
     b.modules.put("jetcommon", jetcommon_dep.module("jetcommon")) catch @panic("Out of memory");
     b.modules.put("jetquery_migrate", jetquery_dep.module("jetquery_migrate")) catch @panic("Out of memory");
+    b.modules.put("jetquery_seeder", jetquery_dep.module("jetquery_seeder")) catch @panic("Out of memory");
+
+    jetquery_dep.module("jetquery_seeder").addImport("jetzig", jetzig_module);
+    jetquery_dep.module("jetquery_migrate").addImport("jetzig", jetzig_module);
 
     const smtp_client_dep = b.dependency("smtp_client", .{
         .target = target,
@@ -185,6 +193,7 @@ pub fn jetzigInit(b: *std.Build, exe: *std.Build.Step.Compile, options: JetzigIn
         .target = target,
         .optimize = optimize,
         .jetquery_migrations_path = @as([]const u8, "src/app/database/migrations"),
+        .jetquery_seeders_path = @as([]const u8, "src/app/database/seeders"),
         .jetquery_config_path = @as([]const u8, "config/database.zig"),
     });
 
@@ -194,8 +203,12 @@ pub fn jetzigInit(b: *std.Build, exe: *std.Build.Step.Compile, options: JetzigIn
     const jetquery_module = jetzig_dep.module("jetquery");
     const jetcommon_module = jetzig_dep.module("jetcommon");
     const jetquery_migrate_module = jetzig_dep.module("jetquery_migrate");
+    const jetquery_seeder_module = jetzig_dep.module("jetquery_seeder");
     const jetquery_reflect_module = jetquery_dep.module("jetquery_reflect");
 
+    jetquery_dep.module("jetquery_seeders").addImport("jetzig", jetzig_module);
+    jetquery_dep.module("jetquery_migrations").addImport("jetzig", jetzig_module);
+
     const build_options = b.addOptions();
     build_options.addOption(Environment, "environment", environment);
     build_options.addOption(bool, "build_static", build_static);
@@ -414,6 +427,7 @@ pub fn jetzigInit(b: *std.Build, exe: *std.Build.Step.Compile, options: JetzigIn
     exe_database.root_module.addImport("jetzig", jetzig_module);
     exe_database.root_module.addImport("jetcommon", jetcommon_module);
     exe_database.root_module.addImport("jetquery_migrate", jetquery_migrate_module);
+    exe_database.root_module.addImport("jetquery_seeder", jetquery_seeder_module);
     exe_database.root_module.addImport("jetquery_reflect", jetquery_reflect_module);
     exe_database.root_module.addImport("Schema", schema_module);
 
@@ -432,6 +446,7 @@ pub fn jetzigInit(b: *std.Build, exe: *std.Build.Step.Compile, options: JetzigIn
 fn registerDatabaseSteps(b: *std.Build, exe_database: *std.Build.Step.Compile) void {
     const commands = .{
         .{ "migrate", "Migrate your Jetzig app's database." },
+        .{ "seed", "Run seeds and set up initial data." },
         .{ "rollback", "Roll back a migration in your Jetzig app's database." },
         .{ "create", "Create a database for your Jetzig app." },
         .{ "drop", "Drop your Jetzig app's database." },
diff --git a/build.zig.zon b/build.zig.zon
index e087537..c17043c 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -25,17 +25,16 @@
             .hash = "jetkv-0.0.0-zCv0fmCGAgCyYqwHjk0P5KrYVRew1MJAtbtAcIO-WPpT",
         },
         .zmpl = .{
-            // .url = "https://github.com/jetzig-framework/zmpl/archive/89ee0ce9b4c96c316cc0575266fb66c864f24a49.tar.gz",
-            // .hash = "zmpl-0.0.1-SYFGBtuNAwCj2YbqnoEJt3bk1iFIZjGK6JwMc72toZBR",
-            .path = "../zmpl",
+            .url = "https://github.com/jetzig-framework/zmpl/archive/febec2dd477adadf09c67676ac4bf2079046b1d6.tar.gz",
+            .hash = "zmpl-0.0.1-SYFGBhilAwAoY1evzcCHqpNFZf1zuB6IhY0P2w-bgM3t",
         },
         .httpz = .{
             .url = "https://github.com/karlseguin/http.zig/archive/37d7cb9819b804ade5f4b974b82f8dd0622225ed.tar.gz",
             .hash = "httpz-0.0.0-PNVzrEK4BgBpHQGA2m0RPqPGEjnTdDXHodBwzjYDrmps",
         },
         .jetquery = .{
-            .url = "https://github.com/jetzig-framework/jetquery/archive/e1f969f2e3e0e1ad9cc30d56fde9739aa692fdc3.tar.gz",
-            .hash = "jetquery-0.0.0-TNf3zo2ABgBgcsIAvJ1Ud2B2zDzrBy9GQ31kKmTYZ7Ya",
+            .url = "https://github.com/jetzig-framework/jetquery/archive/907acae15dd36834dbdab06b17c3ba8f576d77cb.tar.gz",
+            .hash = "jetquery-0.0.0-TNf3zm-5BgDOtCpRuVLEZQMWjkgKWRe1pNlGhrdoyvYE",
         },
     },
 
diff --git a/cli/build.zig b/cli/build.zig
index a0fc17f..7bc84ca 100644
--- a/cli/build.zig
+++ b/cli/build.zig
@@ -18,6 +18,7 @@ pub fn build(b: *std.Build) !void {
         .target = target,
         .optimize = optimize,
         .jetquery_migrations_path = @as([]const u8, "src/app/database/migrations"),
+        .jetquery_seeders_path = @as([]const u8, "src/app/database/seeders"),
     });
     exe.root_module.addImport("jetquery", jetquery_dep.module("jetquery"));
     exe.root_module.addImport("args", zig_args_dep.module("args"));
diff --git a/cli/build.zig.zon b/cli/build.zig.zon
index bb04aa6..8ea4cd1 100644
--- a/cli/build.zig.zon
+++ b/cli/build.zig.zon
@@ -10,8 +10,8 @@
             .hash = "zig_args-0.0.0-jqtN6P_NAAC97fGpk9hS2K681jkiqPsWP6w3ucb_ctGH",
         },
         .jetquery = .{
-            .url = "https://github.com/jetzig-framework/jetquery/archive/e1f969f2e3e0e1ad9cc30d56fde9739aa692fdc3.tar.gz",
-            .hash = "jetquery-0.0.0-TNf3zo2ABgBgcsIAvJ1Ud2B2zDzrBy9GQ31kKmTYZ7Ya",
+            .url = "https://github.com/jetzig-framework/jetquery/archive/907acae15dd36834dbdab06b17c3ba8f576d77cb.tar.gz",
+            .hash = "jetquery-0.0.0-TNf3zm-5BgDOtCpRuVLEZQMWjkgKWRe1pNlGhrdoyvYE",
         },
     },
     .paths = .{
diff --git a/cli/commands/database.zig b/cli/commands/database.zig
index 256019d..9df480a 100644
--- a/cli/commands/database.zig
+++ b/cli/commands/database.zig
@@ -5,6 +5,7 @@ const args = @import("args");
 const util = @import("../util.zig");
 const cli = @import("../cli.zig");
 const migrate = @import("database/migrate.zig");
+const seed = @import("database/seed.zig");
 const rollback = @import("database/rollback.zig");
 const create = @import("database/create.zig");
 const drop = @import("database/drop.zig");
@@ -41,9 +42,19 @@ pub fn run(
     defer arena.deinit();
     const alloc = arena.allocator();
 
-    const Action = enum { migrate, rollback, create, drop, reflect, update, setup };
+    const Action = enum {
+        migrate,
+        seed,
+        rollback,
+        create,
+        drop,
+        reflect,
+        update,
+        setup,
+    };
     const map = std.StaticStringMap(Action).initComptime(.{
         .{ "migrate", .migrate },
+        .{ "seed", .seed },
         .{ "rollback", .rollback },
         .{ "create", .create },
         .{ "drop", .drop },
@@ -74,6 +85,7 @@ pub fn run(
 
         break :blk switch (capture) {
             .migrate => migrate.run(alloc, cwd, sub_args, options, T, main_options),
+            .seed => seed.run(alloc, cwd, sub_args, options, T, main_options),
             .rollback => rollback.run(alloc, cwd, sub_args, options, T, main_options),
             .create => create.run(alloc, cwd, sub_args, options, T, main_options),
             .drop => drop.run(alloc, cwd, sub_args, options, T, main_options),
diff --git a/cli/commands/database/seed.zig b/cli/commands/database/seed.zig
new file mode 100644
index 0000000..a497ab8
--- /dev/null
+++ b/cli/commands/database/seed.zig
@@ -0,0 +1,36 @@
+const std = @import("std");
+
+const cli = @import("../../cli.zig");
+const util = @import("../../util.zig");
+
+pub fn run(
+    allocator: std.mem.Allocator,
+    cwd: std.fs.Dir,
+    args: []const []const u8,
+    options: cli.database.Options,
+    T: type,
+    main_options: T,
+) !void {
+    _ = cwd;
+    _ = options;
+    if (main_options.options.help or args.len != 0) {
+        std.debug.print(
+            \\Run database seeders.
+            \\
+            \\Example:
+            \\
+            \\  jetzig database seed
+            \\  jetzig --environment=testing database seed
+            \\
+        , .{});
+
+        return if (main_options.options.help) {} else error.JetzigCommandError;
+    }
+
+    try util.execCommand(allocator, &.{
+        "zig",
+        "build",
+        util.environmentBuildOption(main_options.options.environment),
+        "jetzig:database:seed",
+    });
+}
diff --git a/cli/commands/generate.zig b/cli/commands/generate.zig
index bb6b3b9..b3c3ad7 100644
--- a/cli/commands/generate.zig
+++ b/cli/commands/generate.zig
@@ -10,11 +10,12 @@ const middleware = @import("generate/middleware.zig");
 const job = @import("generate/job.zig");
 const mailer = @import("generate/mailer.zig");
 const migration = @import("generate/migration.zig");
+const seeder = @import("generate/seeder.zig");
 
 /// Command line options for the `generate` command.
 pub const Options = struct {
     pub const meta = .{
-        .usage_summary = "[view|partial|layout|mailer|middleware|job|secret|migration] [options]",
+        .usage_summary = "[view|partial|layout|mailer|middleware|job|secret|migration|seeder] [options]",
         .full_text =
         \\Generate scaffolding for views, middleware, and other objects.
         \\
@@ -39,7 +40,17 @@ pub fn run(
 
     _ = options;
 
-    const Generator = enum { view, partial, layout, mailer, middleware, job, secret, migration };
+    const Generator = enum {
+        view,
+        partial,
+        layout,
+        mailer,
+        middleware,
+        job,
+        secret,
+        migration,
+        seeder,
+    };
     var sub_args = std.ArrayList([]const u8).init(allocator);
     defer sub_args.deinit();
 
@@ -55,6 +66,7 @@ pub fn run(
         .{ "middleware", .middleware },
         .{ "secret", .secret },
         .{ "migration", .migration },
+        .{ "seeder", .seeder },
     });
     for (map.keys()) |key| try available_buf.append(key);
 
@@ -92,6 +104,7 @@ pub fn run(
             .middleware => middleware.run(arena, cwd, sub_args.items, main_options.options.help),
             .secret => secret.run(arena, cwd, sub_args.items, main_options.options.help),
             .migration => migration.run(arena, cwd, sub_args.items, main_options.options.help),
+            .seeder => seeder.run(arena, cwd, sub_args.items, main_options.options.help),
         };
     }
 }
diff --git a/cli/commands/generate/seeder.zig b/cli/commands/generate/seeder.zig
new file mode 100644
index 0000000..10936a8
--- /dev/null
+++ b/cli/commands/generate/seeder.zig
@@ -0,0 +1,40 @@
+const std = @import("std");
+
+const jetquery = @import("jetquery");
+
+/// Run the seeder generator. Create a seed in `src/app/database/seeders/`
+pub fn run(allocator: std.mem.Allocator, cwd: std.fs.Dir, args: [][]const u8, help: bool) !void {
+    if (help or args.len < 1) {
+        std.debug.print(
+            \\Generate a new Seeder. Seeders is a way to set up some inital data for your application.
+            \\
+            \\Example:
+            \\
+            \\  jetzig generate seeder iguana
+            \\
+            \\  More information: https://www.jetzig.dev/documentation/sections/database/command_line_tools
+            \\
+        , .{});
+
+        if (help) return;
+
+        return error.JetzigCommandError;
+    }
+
+    const name = args[0];
+
+    const seeders_dir = try cwd.makeOpenPath(
+        try std.fs.path.join(allocator, &.{ "src", "app", "database", "seeders" }),
+        .{},
+    );
+    const seed = jetquery.Seeder.init(
+        allocator,
+        name,
+        .{
+            .seeders_path = try seeders_dir.realpathAlloc(allocator, "."),
+        },
+    );
+    const path = try seed.save();
+
+    std.log.info("Saved seed: {s}", .{path});
+}
diff --git a/demo/src/app/database/migrations/2025-03-10_01-36-58_create_users.zig b/demo/src/app/database/migrations/2025-03-10_01-36-58_create_users.zig
index da76936..6ac23c3 100644
--- a/demo/src/app/database/migrations/2025-03-10_01-36-58_create_users.zig
+++ b/demo/src/app/database/migrations/2025-03-10_01-36-58_create_users.zig
@@ -1,6 +1,7 @@
 const std = @import("std");
 const jetquery = @import("jetquery");
 const t = jetquery.schema.table;
+const jetzig = @import("jetzig");
 
 pub fn up(repo: anytype) !void {
     try repo.createTable(
diff --git a/demo/src/app/database/seeders/2025-03-10_01-36-58_create_users.zig b/demo/src/app/database/seeders/2025-03-10_01-36-58_create_users.zig
new file mode 100644
index 0000000..13ccb9e
--- /dev/null
+++ b/demo/src/app/database/seeders/2025-03-10_01-36-58_create_users.zig
@@ -0,0 +1,21 @@
+const std = @import("std");
+
+const jetzig = @import("jetzig");
+
+pub fn run(repo: anytype) !void {
+    try repo.insert(
+        .User,
+        .{
+            .email = "iguana@jetzig.dev",
+            .password_hash = try jetzig.auth.hashPassword(repo.allocator, "password"),
+        },
+    );
+
+    try repo.insert(
+        .User,
+        .{
+            .email = "admin@jetzig.dev",
+            .password_hash = try jetzig.auth.hashPassword(repo.allocator, "admin"),
+        },
+    );
+}
diff --git a/demo/src/app/views/background_jobs.zig b/demo/src/app/views/background_jobs.zig
index d73a53e..877a9e9 100644
--- a/demo/src/app/views/background_jobs.zig
+++ b/demo/src/app/views/background_jobs.zig
@@ -2,16 +2,24 @@ const std = @import("std");
 const jetzig = @import("jetzig");
 
 /// This example demonstrates usage of Jetzig's background jobs.
-pub fn index(request: *jetzig.Request, data: *jetzig.Data) !jetzig.View {
+pub fn index(request: *jetzig.Request) !jetzig.View {
     // Prepare a job using `src/app/jobs/example.zig`.
     var job = try request.job("example");
 
     // Add a param `foo` to the job.
-    try job.params.put("foo", data.string("bar"));
-    try job.params.put("id", data.integer(std.crypto.random.int(u32)));
+    try job.params.put("foo", "bar");
+    try job.params.put("id", std.crypto.random.int(u32));
 
     // Schedule the job for background processing.
     try job.schedule();
 
     return request.render(.ok);
 }
+
+test "index" {
+    var app = try jetzig.testing.app(std.testing.allocator, @import("routes"));
+    defer app.deinit();
+
+    const response = try app.request(.GET, "/background_jobs", .{});
+    try response.expectJob("example", .{ .foo = "bar" });
+}
diff --git a/demo/src/app/views/basic.zig b/demo/src/app/views/basic.zig
index 4fac587..08f3ae5 100644
--- a/demo/src/app/views/basic.zig
+++ b/demo/src/app/views/basic.zig
@@ -1,7 +1,6 @@
 const std = @import("std");
 const jetzig = @import("jetzig");
 
-pub fn index(request: *jetzig.Request, data: *jetzig.Data) !jetzig.View {
-    _ = data;
+pub fn index(request: *jetzig.Request) !jetzig.View {
     return request.render(.ok);
 }
diff --git a/demo/src/app/views/cache.zig b/demo/src/app/views/cache.zig
index a931056..7ec7415 100644
--- a/demo/src/app/views/cache.zig
+++ b/demo/src/app/views/cache.zig
@@ -1,15 +1,15 @@
 const std = @import("std");
 const jetzig = @import("jetzig");
 
-pub fn index(request: *jetzig.Request, data: *jetzig.Data) !jetzig.View {
-    var root = try data.object();
+pub fn index(request: *jetzig.Request) !jetzig.View {
+    var root = try request.data(.object);
     try root.put("message", try request.cache.get("message"));
 
     return request.render(.ok);
 }
 
-pub fn post(request: *jetzig.Request, data: *jetzig.Data) !jetzig.View {
-    var root = try data.object();
+pub fn post(request: *jetzig.Request) !jetzig.View {
+    var root = try request.data(.object);
 
     const params = try request.params();
 
@@ -17,7 +17,7 @@ pub fn post(request: *jetzig.Request, data: *jetzig.Data) !jetzig.View {
         try request.cache.put("message", message);
         try root.put("message", message);
     } else {
-        try root.put("message", data.string("[no message param detected]"));
+        try root.put("message", "[no message param detected]");
     }
 
     return request.render(.ok);
diff --git a/demo/src/app/views/errors.zig b/demo/src/app/views/errors.zig
index ccc1082..26d1fd8 100644
--- a/demo/src/app/views/errors.zig
+++ b/demo/src/app/views/errors.zig
@@ -4,16 +4,14 @@ const jetzig = @import("jetzig");
 // Generic handler for all errors.
 // Use `jetzig.http.status_codes.get(request.status_code)` to get a value that provides string
 // versions of the error code and message for use in templates.
-pub fn index(request: *jetzig.Request, data: *jetzig.Data) !jetzig.View {
-    var root = try data.object();
-    var error_info = try data.object();
+pub fn index(request: *jetzig.Request) !jetzig.View {
+    var root = try request.data(.object);
+    var error_info = try root.put("error", .object);
 
     const status = jetzig.http.status_codes.get(request.status_code);
 
-    try error_info.put("code", data.string(status.getCode()));
-    try error_info.put("message", data.string(status.getMessage()));
-
-    try root.put("error", error_info);
+    try error_info.put("code", status.getCode());
+    try error_info.put("message", status.getMessage());
 
     // Render with the original error status code, or override if preferred.
     return request.render(request.status_code);
diff --git a/demo/src/app/views/format.zig b/demo/src/app/views/format.zig
index 6e9a83c..f3cbe26 100644
--- a/demo/src/app/views/format.zig
+++ b/demo/src/app/views/format.zig
@@ -9,13 +9,11 @@ pub const formats: jetzig.Route.Formats = .{
     .get = &.{.html},
 };
 
-pub fn index(request: *jetzig.Request, data: *jetzig.Data) !jetzig.View {
-    _ = data;
+pub fn index(request: *jetzig.Request) !jetzig.View {
     return request.render(.ok);
 }
 
-pub fn get(id: []const u8, request: *jetzig.Request, data: *jetzig.Data) !jetzig.View {
-    _ = data;
+pub fn get(id: []const u8, request: *jetzig.Request) !jetzig.View {
     _ = id;
     return request.render(.ok);
 }
diff --git a/demo/src/app/views/init.zig b/demo/src/app/views/init.zig
index d567fc5..06190f8 100644
--- a/demo/src/app/views/init.zig
+++ b/demo/src/app/views/init.zig
@@ -12,14 +12,14 @@ const jetzig = @import("jetzig");
 /// PUT /1234 => put(id, request, data)
 /// PATCH /1234 => patch(id, request, data)
 /// DELETE /1234 => delete(id, request, data)
-pub fn index(request: *jetzig.Request, data: *jetzig.Data) !jetzig.View {
-    // The first call to `data.object()` or `data.array()` sets the root response data value.
+pub fn index(request: *jetzig.Request) !jetzig.View {
+    // Sets the root response data value.
     // JSON requests return a JSON string representation of the root data value.
     // Zmpl templates can access all values in the root data value.
-    var root = try data.object();
+    var root = try request.data(.object);
 
     // Add a string to the root object.
-    try root.put("welcome_message", data.string("Welcome to Jetzig!"));
+    try root.put("welcome_message", "Welcome to Jetzig!");
 
     // Request params have the same type as a `data.object()` so they can be inserted them
     // directly into the response data. Fetch `http://localhost:8080/?message=hello` to set the
diff --git a/demo/src/app/views/login.zig b/demo/src/app/views/login.zig
index 0736dd2..5304cb6 100644
--- a/demo/src/app/views/login.zig
+++ b/demo/src/app/views/login.zig
@@ -3,38 +3,44 @@ const jetzig = @import("jetzig");
 const auth = @import("jetzig").auth;
 
 pub fn index(request: *jetzig.Request) !jetzig.View {
+    var root = try request.data(.object);
+
+    if (request.middleware(.auth).user) |user| {
+        try root.put("user", .{ .email = user.email });
+    }
+
     return request.render(.ok);
 }
 
 pub fn post(request: *jetzig.Request) !jetzig.View {
-    const Login = struct {
-        email: []const u8,
-        password: []const u8,
-    };
+    const Logout = struct { logout: []const u8 };
+    const Login = struct { email: []const u8, password: []const u8 };
+
+    if (try request.expectParams(Logout)) |_| {
+        try auth.signOut(request);
+        return request.redirect("/login", .found);
+    }
 
     const params = try request.expectParams(Login) orelse {
         return request.fail(.forbidden);
     };
 
     // Lookup the user by email
-    const query = jetzig.database.Query(.User).findBy(
+    const user = try jetzig.database.Query(.User).findBy(
         .{ .email = params.email },
-    );
-
-    const user = try request.repo.execute(query) orelse {
+    ).execute(request.repo) orelse {
         return request.fail(.forbidden);
     };
 
     // Check that the password matches
-    if (try auth.verifyPassword(
+    if (!try auth.verifyPassword(
         request.allocator,
         user.password_hash,
         params.password,
-    )) {
-        try auth.signIn(request, user.id);
-        return request.redirect("/", .found);
-    }
-    return request.fail(.forbidden);
+    )) return request.fail(.forbidden);
+
+    try auth.signIn(request, user.id);
+    return request.redirect("/login", .found);
 }
 
 test "post" {
diff --git a/demo/src/app/views/login/index.zmpl b/demo/src/app/views/login/index.zmpl
index 605b051..2fb4638 100644
--- a/demo/src/app/views/login/index.zmpl
+++ b/demo/src/app/views/login/index.zmpl
@@ -1,7 +1,16 @@
-<form method="post" id="login">
-  <input type="email" name="email" placeholder="name@example.com">
-  <label for="email">Email address</label>
-  <input type="password" name="password" placeholder="Password">
-  <label for="password">Password</label>
-  <button type="submit" form="login">Sign in</button>
-</form>
+@if ($.user) |user|
+    <div>Logged in as {{user.email}}</div>
+
+    <form method="post" id="logout">
+        <input type="hidden" name="logout" value="1" />
+        <button type="submit" form="logout">Sign Out</button>
+    </form>
+@else
+    <form method="post" id="login">
+      <input type="email" name="email" placeholder="name@example.com">
+      <label for="email">Email address</label>
+      <input type="password" name="password" placeholder="Password">
+      <label for="password">Password</label>
+      <button type="submit" form="login">Sign in</button>
+    </form>
+@end
diff --git a/demo/src/app/views/mail.zig b/demo/src/app/views/mail.zig
index e497d9f..a54c3a0 100644
--- a/demo/src/app/views/mail.zig
+++ b/demo/src/app/views/mail.zig
@@ -1,9 +1,9 @@
 const std = @import("std");
 const jetzig = @import("jetzig");
 
-pub fn index(request: *jetzig.Request, data: *jetzig.Data) !jetzig.View {
-    var root = try data.object();
-    try root.put("message", data.string("Welcome to Jetzig!"));
+pub fn index(request: *jetzig.Request) !jetzig.View {
+    var root = try request.data(.object);
+    try root.put("message", "Welcome to Jetzig!");
 
     // Create a new mail using `src/app/mailers/welcome.zig`.
     // HTML and text parts are rendered using Zmpl templates:
diff --git a/demo/src/app/views/markdown.zig b/demo/src/app/views/markdown.zig
index 0a929d6..d9f6308 100644
--- a/demo/src/app/views/markdown.zig
+++ b/demo/src/app/views/markdown.zig
@@ -3,8 +3,7 @@ const jetzig = @import("jetzig");
 
 pub const layout = "application";
 
-pub fn index(request: *jetzig.Request, data: *jetzig.Data) !jetzig.View {
-    _ = data;
+pub fn index(request: *jetzig.Request) !jetzig.View {
     return request.render(.ok);
 }
 
diff --git a/demo/src/app/views/render_text.zig b/demo/src/app/views/render_text.zig
new file mode 100644
index 0000000..dba87f9
--- /dev/null
+++ b/demo/src/app/views/render_text.zig
@@ -0,0 +1,17 @@
+const std = @import("std");
+const jetzig = @import("jetzig");
+
+pub fn index(request: *jetzig.Request) !jetzig.View {
+    request.response.content_type = "text/xml";
+    return request.renderText("<foo><bar>baz</bar></foo>", .ok);
+}
+
+test "index" {
+    var app = try jetzig.testing.app(std.testing.allocator, @import("routes"));
+    defer app.deinit();
+
+    const response = try app.request(.GET, "/render_text", .{});
+    try response.expectStatus(.ok);
+    try response.expectBodyContains("<foo><bar>baz</bar></foo>");
+    try response.expectHeader("content-type", "text/xml");
+}
diff --git a/demo/src/app/views/render_text/index.zmpl b/demo/src/app/views/render_text/index.zmpl
new file mode 100644
index 0000000..76457d0
--- /dev/null
+++ b/demo/src/app/views/render_text/index.zmpl
@@ -0,0 +1,3 @@
+<div>
+  <span>Content goes here</span>
+</div>
diff --git a/demo/src/app/views/session.zig b/demo/src/app/views/session.zig
index 27373cc..55cca6e 100644
--- a/demo/src/app/views/session.zig
+++ b/demo/src/app/views/session.zig
@@ -1,15 +1,15 @@
 const std = @import("std");
 const jetzig = @import("jetzig");
 
-pub fn index(request: *jetzig.Request, data: *jetzig.Data) !jetzig.View {
-    var root = try data.object();
+pub fn index(request: *jetzig.Request) !jetzig.View {
+    var root = try request.data(.object);
 
     const session = try request.session();
 
     if (session.get("message")) |message| {
         try root.put("message", message);
     } else {
-        try root.put("message", data.string("No message saved yet"));
+        try root.put("message", "No message saved yet");
     }
 
     return request.render(.ok);
@@ -20,8 +20,7 @@ pub fn edit(id: []const u8, request: *jetzig.Request) !jetzig.View {
     return request.render(.ok);
 }
 
-pub fn post(request: *jetzig.Request, data: *jetzig.Data) !jetzig.View {
-    _ = data;
+pub fn post(request: *jetzig.Request) !jetzig.View {
     const params = try request.params();
     var session = try request.session();
 
diff --git a/demo/src/main.zig b/demo/src/main.zig
index 48f463a..8aa74c4 100644
--- a/demo/src/main.zig
+++ b/demo/src/main.zig
@@ -18,7 +18,10 @@ pub const jetzig_options = struct {
         // jetzig.middleware.AntiCsrfMiddleware,
         jetzig.middleware.HtmxMiddleware,
         jetzig.middleware.ChannelsMiddleware,
-            // jetzig.middleware.InertiaMiddleware,
+        // jetzig.middleware.InertiaMiddleware,
+        jetzig.middleware.AuthMiddleware,
+            // jetzig.middleware.AntiCsrfMiddleware,
+            // jetzig.middleware.HtmxMiddleware,
             // jetzig.middleware.CompressionMiddleware,
             // @import("app/middleware/DemoMiddleware.zig"),
     };
@@ -70,6 +73,10 @@ pub const jetzig_options = struct {
     // Path relative to cwd() to serve public content from. Symlinks are not followed.
     pub const public_content_path = "public";
 
+    /// Request path to map to public directory, e.g. if `public_routing_path` is `"/foo"` then a
+    /// request to `/foo/bar.png` will serve static content found in `public/bar.png`
+    pub const public_routing_path = "/";
+
     // HTTP buffer. Must be large enough to store all headers. This should typically not be modified.
     pub const http_buffer_size: usize = std.math.pow(usize, 2, 16);
 
diff --git a/src/commands/database.zig b/src/commands/database.zig
index e3a67d0..2db0615 100644
--- a/src/commands/database.zig
+++ b/src/commands/database.zig
@@ -6,6 +6,8 @@ const jetquery = @import("jetquery");
 const jetzig = @import("jetzig");
 const Migrate = @import("jetquery_migrate").Migrate;
 const MigrateSchema = @import("jetquery_migrate").MigrateSchema;
+const Seeder = @import("jetquery_seeder").Seed;
+const SeederSchema = @import("jetquery_seeder").SeederSchema;
 const Schema = @import("Schema");
 const util = @import("util.zig");
 
@@ -15,7 +17,7 @@ const production_drop_failure_message = "To drop a production database, " ++
 
 const environment = jetzig.build_options.environment;
 const config = @field(jetquery.config.database, @tagName(environment));
-const Action = enum { migrate, rollback, create, drop, reflect, setup, update };
+const Action = enum { migrate, rollback, create, drop, reflect, setup, update, seed };
 
 pub fn main() !void {
     var gpa = std.heap.GeneralPurposeAllocator(.{}){};
@@ -42,6 +44,7 @@ pub fn main() !void {
 
     const map = std.StaticStringMap(Action).initComptime(.{
         .{ "migrate", .migrate },
+        .{ "seed", .seed },
         .{ "rollback", .rollback },
         .{ "create", .create },
         .{ "drop", .drop },
@@ -69,6 +72,11 @@ pub fn main() !void {
             defer repo.deinit();
             try Migrate(config.adapter).init(&repo).migrate();
         },
+        .seed => {
+            var repo = try seedersRepo(action, allocator, repo_env);
+            defer repo.deinit();
+            try Seeder(config.adapter, Schema).init(&repo).seed();
+        },
         .rollback => {
             var repo = try migrationsRepo(action, allocator, repo_env);
             defer repo.deinit();
@@ -136,7 +144,7 @@ fn migrationsRepo(action: Action, allocator: std.mem.Allocator, repo_env: anytyp
         @field(jetquery.Environment, @tagName(environment)),
         .{
             .admin = switch (action) {
-                .migrate, .rollback, .update => false,
+                .migrate, .seed, .rollback, .update => false,
                 .create, .drop => true,
                 .reflect => unreachable, // We use a separate repo for schema reflection.
                 .setup => unreachable, // Setup uses `create` and then `update`
@@ -147,6 +155,24 @@ fn migrationsRepo(action: Action, allocator: std.mem.Allocator, repo_env: anytyp
     );
 }
 
+const SeedersRepo = jetquery.Repo(config.adapter, Schema);
+fn seedersRepo(action: Action, allocator: std.mem.Allocator, repo_env: anytype) !SeedersRepo {
+    return try SeedersRepo.loadConfig(
+        allocator,
+        @field(jetquery.Environment, @tagName(environment)),
+        .{
+            .admin = switch (action) {
+                .migrate, .seed, .rollback, .update => false,
+                .create, .drop => false,
+                .reflect => unreachable, // We use a separate repo for schema reflection.
+                .setup => unreachable, // Setup uses `create` and then `update`
+            },
+            .context = .seed,
+            .env = repo_env,
+        },
+    );
+}
+
 fn reflectSchema(allocator: std.mem.Allocator, repo_env: anytype) !void {
     var cwd = try jetzig.util.detectJetzigProjectDir();
     defer cwd.close();
diff --git a/src/compile_static_routes.zig b/src/compile_static_routes.zig
index b027218..a39cbf9 100644
--- a/src/compile_static_routes.zig
+++ b/src/compile_static_routes.zig
@@ -31,7 +31,7 @@ pub fn main() !void {
     var index: usize = 0;
     while (it.next()) |arg| : (index += 1) {
         if (index == 0) continue;
-        const file = try std.fs.createFileAbsolute(arg, .{});
+        const file = try std.fs.cwd().createFile(arg, .{});
         const writer = file.writer();
         try compileStaticRoutes(allocator, writer);
         file.close();
diff --git a/src/jetzig/auth.zig b/src/jetzig/auth.zig
index 15b401a..f55e073 100644
--- a/src/jetzig/auth.zig
+++ b/src/jetzig/auth.zig
@@ -22,6 +22,11 @@ pub fn signIn(request: *jetzig.Request, user_id: anytype) !void {
     try session.put("_jetzig_user_id", user_id);
 }
 
+pub fn signOut(request: *jetzig.Request) !void {
+    var session = try request.session();
+    _ = try session.remove("_jetzig_user_id");
+}
+
 pub fn verifyPassword(
     allocator: std.mem.Allocator,
     hash: []const u8,
diff --git a/src/jetzig/config.zig b/src/jetzig/config.zig
index 7dd77fb..4484350 100644
--- a/src/jetzig/config.zig
+++ b/src/jetzig/config.zig
@@ -84,6 +84,10 @@ pub const max_connections: u16 = 512;
 /// Path relative to cwd() to serve public content from. Symlinks are not followed.
 pub const public_content_path = "public";
 
+/// Request path to map to public directory, e.g. if `public_routing_path` is `"/foo"` then a
+/// request to `/foo/bar.png` will serve static content found in `public/bar.png`
+pub const public_routing_path = "/";
+
 /// Middleware chain. Add any custom middleware here, or use middleware provided in
 /// `jetzig.middleware` (e.g. `jetzig.middleware.HtmxMiddleware`).
 pub const middleware = &.{};
diff --git a/src/jetzig/http.zig b/src/jetzig/http.zig
index 5137903..f3caf66 100644
--- a/src/jetzig/http.zig
+++ b/src/jetzig/http.zig
@@ -26,3 +26,5 @@ pub const params = @import("http/params.zig");
 pub const SimplifiedRequest = struct {
     location: ?[]const u8,
 };
+
+pub const default_content_type = "application/octet-stream";
diff --git a/src/jetzig/http/Cookies.zig b/src/jetzig/http/Cookies.zig
index 214bb79..95844a4 100644
--- a/src/jetzig/http/Cookies.zig
+++ b/src/jetzig/http/Cookies.zig
@@ -107,10 +107,12 @@ pub fn deinit(self: *Cookies) void {
     self.arena.deinit();
 }
 
+/// Fetch a cookie by name.
 pub fn get(self: *Cookies, key: []const u8) ?*Cookie {
     return self.cookies.get(key);
 }
 
+/// Put a cookie into the cookie store.
 pub fn put(self: *Cookies, cookie: Cookie) !void {
     self.modified = true;
 
@@ -127,6 +129,18 @@ pub fn put(self: *Cookies, cookie: Cookie) !void {
     try self.cookies.put(key, ptr);
 }
 
+/// Overwrite a cookie with an empty string and expiry of 0. The browser should then no longer
+/// send the specified cookie value.
+///
+/// > Notice that servers can delete cookies by sending the user agent a new cookie with an
+/// > Expires attribute with a value in the past.
+/// - https://www.rfc-editor.org/rfc/rfc6265.html
+pub fn delete(self: *Cookies, key: []const u8) !void {
+    self.modified = true;
+
+    try self.put(.{ .name = key, .value = "", .expires = 0 });
+}
+
 pub const HeaderIterator = struct {
     allocator: std.mem.Allocator,
     cookies_iterator: std.StringArrayHashMap(*Cookie).Iterator,
@@ -434,3 +448,17 @@ test "default flags" {
     try std.testing.expect(cookie.expires == null);
     try std.testing.expect(cookie.max_age == null);
 }
+
+test "delete" {
+    const allocator = std.testing.allocator;
+    var cookies = Cookies.init(allocator, "foo=bar;");
+    defer cookies.deinit();
+
+    try cookies.parse();
+
+    try cookies.delete("foo");
+    const cookie = cookies.get("foo").?;
+
+    try std.testing.expectEqualStrings(cookie.value, "");
+    try std.testing.expectEqual(cookie.expires.?, 0);
+}
diff --git a/src/jetzig/http/Request.zig b/src/jetzig/http/Request.zig
index 597f057..2c06db1 100644
--- a/src/jetzig/http/Request.zig
+++ b/src/jetzig/http/Request.zig
@@ -17,7 +17,7 @@ pub const RequestState = enum {
     after_request, // Initial middleware processing
     after_view, // View returned, response data ready for full response render
     rendered, // Rendered by middleware or view
-    rendered_content, // Rendered a plain string by middleware or view
+    rendered_text, // Rendered text by middleware or view
     redirected, // Redirected by middleware or view
     failed, // Failed by middleware or view
     before_response, // Post middleware processing
@@ -251,7 +251,7 @@ pub fn renderContent(
     if (self.isRendered()) self.rendered_multiple = true;
 
     self.rendered_view = .{ .data = self.response_data, .status_code = status_code, .content = content };
-    self.state = .rendered_content;
+    self.state = .rendered_text;
     return self.rendered_view.?;
 }
 
@@ -268,7 +268,7 @@ pub fn fail(self: *Request, status_code: jetzig.http.status_codes.StatusCode) je
 pub inline fn isRendered(self: *const Request) bool {
     return switch (self.state) {
         .initial, .processed, .after_request, .before_response => false,
-        .after_view, .rendered, .rendered_content, .redirected, .failed, .finalized => true,
+        .after_view, .rendered, .rendered_text, .redirected, .failed, .finalized => true,
     };
 }
 
@@ -778,6 +778,18 @@ pub fn joinPath(self: *const Request, args: anytype) ![]const u8 {
     return try std.mem.join(self.allocator, "/", buf[0..]);
 }
 
+pub fn renderText(
+    self: *Request,
+    text: []const u8,
+    status_code: jetzig.http.StatusCode,
+) jetzig.views.View {
+    self.state = .rendered_text;
+    self.rendered_view = .{ .data = self.response_data, .status_code = status_code };
+    self.setResponse(.{ .view = self.rendered_view.?, .content = text }, .{});
+
+    return self.rendered_view.?;
+}
+
 pub fn joinPaths(self: *const Request, paths: []const []const []const u8) ![]const u8 {
     var buf = std.ArrayList([]const u8).init(self.allocator);
     defer buf.deinit();
@@ -795,10 +807,12 @@ pub fn setResponse(
 ) void {
     self.response.content = rendered_view.content;
     self.response.status_code = rendered_view.view.status_code;
-    self.response.content_type = options.content_type orelse switch (self.requestFormat()) {
-        .HTML, .UNKNOWN => "text/html",
-        .JSON => "application/json",
-    };
+    if (self.response.content_type == null) {
+        self.response.content_type = options.content_type orelse switch (self.requestFormat()) {
+            .HTML, .UNKNOWN => "text/html",
+            .JSON => "application/json",
+        };
+    }
 }
 
 fn setCookieHeaders(self: *Request) !void {
diff --git a/src/jetzig/http/Response.zig b/src/jetzig/http/Response.zig
index f2c26b5..db1e843 100644
--- a/src/jetzig/http/Response.zig
+++ b/src/jetzig/http/Response.zig
@@ -11,7 +11,7 @@ allocator: std.mem.Allocator,
 headers: jetzig.http.Headers,
 content: []const u8,
 status_code: http.status_codes.StatusCode,
-content_type: []const u8,
+content_type: ?[]const u8 = null,
 httpz_response: *httpz.Response,
 
 pub fn init(
@@ -22,8 +22,11 @@ pub fn init(
         .allocator = allocator,
         .httpz_response = httpz_response,
         .status_code = .no_content,
-        .content_type = "application/octet-stream",
         .content = "",
         .headers = jetzig.http.Headers.init(allocator, &httpz_response.headers),
     };
 }
+
+pub inline fn contentType(self: *const jetzig.http.Response) []const u8 {
+    return self.content_type orelse jetzig.http.default_content_type;
+}
diff --git a/src/jetzig/http/Server.zig b/src/jetzig/http/Server.zig
index 226e51c..20bab44 100644
--- a/src/jetzig/http/Server.zig
+++ b/src/jetzig/http/Server.zig
@@ -184,7 +184,7 @@ pub fn RoutedServer(Routes: type) type {
             }
 
             try self.renderResponse(&request);
-            try request.response.headers.append("Content-Type", response.content_type);
+            try request.response.headers.append("Content-Type", response.contentType());
 
             try jetzig.http.middleware.beforeResponse(&middleware_data, &request);
             try request.respond();
@@ -244,7 +244,7 @@ pub fn RoutedServer(Routes: type) type {
                     // TODO: Allow middleware to set content
                     request.setResponse(.{ .view = rendered, .content = "" }, .{});
                 }
-                try request.response.headers.append("Content-Type", response.content_type);
+                try request.response.headers.append("Content-Type", response.contentType());
                 try request.respond();
                 return true;
             } else return false;
@@ -418,12 +418,16 @@ pub fn RoutedServer(Routes: type) type {
                 return try self.renderInternalServerError(request, @errorReturnTrace(), err);
             };
 
-            if (request.state == .failed) {
-                const view: jetzig.views.View = request.rendered_view orelse .{
-                    .data = request.response_data,
-                    .status_code = .internal_server_error,
-                };
-                return try self.renderError(request, view.status_code, .{});
+            switch (request.state) {
+                .failed => {
+                    const status_code = request.rendered_view.?.status_code;
+                    return try self.renderError(request, status_code, .{});
+                },
+                .rendered_text => {
+                    const view = request.rendered_view.?; // a panic here is a bug.
+                    return .{ .view = view, .content = request.response.content };
+                },
+                else => {},
             }
 
             const template: ?zmpl.Template = if (request.dynamic_assigned_template) |request_template|
@@ -435,7 +439,7 @@ pub fn RoutedServer(Routes: type) type {
 
             if (request.rendered_view) |rendered_view| {
                 if (request.state == .redirected) return .{ .view = rendered_view, .content = "" };
-                if (request.state == .rendered_content) return .{
+                if (request.state == .rendered_text) return .{
                     .view = rendered_view,
                     .content = rendered_view.content.?,
                 };
diff --git a/src/jetzig/testing.zig b/src/jetzig/testing.zig
index 6b9cbf4..e6c3d9a 100644
--- a/src/jetzig/testing.zig
+++ b/src/jetzig/testing.zig
@@ -66,7 +66,7 @@ pub const TestResponse = struct {
     jobs: []Job,
 
     pub const Header = struct { name: []const u8, value: []const u8 };
-    pub const Job = struct { name: []const u8, params: ?[]const u8 = null };
+    pub const Job = struct { name: []const u8, params: ?*jetzig.data.Value = null };
 
     pub fn expectStatus(self: TestResponse, comptime expected: jetzig.http.status_codes.StatusCode) !void {
         try testing.expectStatus(expected, self);
@@ -120,14 +120,31 @@ pub fn expectBodyContains(expected: []const u8, response: TestResponse) !void {
 }
 
 pub fn expectHeader(expected_name: []const u8, expected_value: ?[]const u8, response: TestResponse) !void {
+    var mismatches = std.ArrayList([]const u8).init(response.allocator);
+    defer mismatches.deinit();
+
     for (response.headers) |header| {
         if (!std.ascii.eqlIgnoreCase(header.name, expected_name)) continue;
         if (expected_value) |value| {
-            if (std.mem.eql(u8, header.value, value)) return;
+            if (std.mem.eql(u8, header.value, value)) {
+                return;
+            } else {
+                try mismatches.append(header.value);
+            }
         } else {
             return;
         }
     }
+
+    logFailure(
+        "Expected header " ++
+            jetzig.colors.cyan("{s}") ++
+            ": " ++
+            jetzig.colors.green("{?s}") ++
+            ", found: " ++
+            jetzig.colors.red("{s}"),
+        .{ expected_name, expected_value, mismatches.items },
+    );
     return error.JetzigExpectHeaderError;
 }
 
@@ -282,13 +299,54 @@ pub fn expectJson(expected_path: []const u8, expected_value: anytype, response:
 }
 
 pub fn expectJob(job_name: []const u8, job_params: anytype, response: TestResponse) !void {
+    var actual_params_buf = std.ArrayList([]const u8).init(response.allocator);
+    defer actual_params_buf.deinit();
+
+    const value: ?*jetzig.data.Value = if (@TypeOf(job_params) == @TypeOf(null))
+        null
+    else
+        try jetzig.Data.zmplValue(job_params, response.allocator);
     for (response.jobs) |job| {
-        comptime var has_args = false;
-        inline for (@typeInfo(@TypeOf(job_params)).Struct.fields) |field| {
-            has_args = true;
-            _ = field;
+        if (std.mem.eql(u8, job_name, job.name)) {
+            if (value != null and job.params != null) {
+                if (job.params.?.includes(value.?.*)) {
+                    return;
+                } else {
+                    try actual_params_buf.append(try job.params.?.toJson());
+                }
+            } else {
+                return;
+            }
         }
-        if (!has_args and std.mem.eql(u8, job_name, job.name)) return;
+    }
+
+    if (actual_params_buf.items.len == 0) {
+        logFailure(
+            "Expected job " ++
+                jetzig.colors.cyan("{s}") ++
+                " to have been scheduled but job was not found in the queue.",
+            .{job_name},
+        );
+    } else {
+        const actual_params_formatted = try std.mem.join(
+            response.allocator,
+            "\n",
+            actual_params_buf.items,
+        );
+        defer response.allocator.free(actual_params_formatted);
+        logFailure(
+            "Expected params for job " ++
+                jetzig.colors.cyan("{s}") ++
+                ":\n" ++
+                jetzig.colors.red("{s}\n") ++
+                "Actual job params:\n" ++
+                jetzig.colors.green("{s}"),
+            .{
+                job_name,
+                if (value) |v| try v.toJson() else "null",
+                actual_params_formatted,
+            },
+        );
     }
     return error.JetzigExpectJobError;
 }
diff --git a/src/jetzig/testing/App.zig b/src/jetzig/testing/App.zig
index 5863230..381ba96 100644
--- a/src/jetzig/testing/App.zig
+++ b/src/jetzig/testing/App.zig
@@ -234,6 +234,7 @@ pub fn request(
     while (try self.job_queue.popFirst(&data, "__jetzig_jobs")) |value| {
         if (value.getT(.string, "__jetzig_job_name")) |job_name| try jobs.append(.{
             .name = try allocator.dupe(u8, job_name),
+            .params = value,
         });
     }
 
diff --git a/src/routes_file.zig b/src/routes_file.zig
index 8fafc02..d32e61a 100644
--- a/src/routes_file.zig
+++ b/src/routes_file.zig
@@ -29,7 +29,7 @@ pub fn main() !void {
         mailers_path,
     );
     const generated_routes = try routes.generateRoutes();
-    var src_dir = try std.fs.openDirAbsolute(src_path, .{ .iterate = true });
+    var src_dir = try std.fs.cwd().openDir(src_path, .{ .iterate = true });
     defer src_dir.close();
     var walker = try src_dir.walk(allocator);
     defer walker.deinit();
@@ -39,7 +39,7 @@ pub fn main() !void {
             const stat = try src_dir.statFile(entry.path);
             const src_data = try src_dir.readFileAlloc(allocator, entry.path, @intCast(stat.size));
             const relpath = try std.fs.path.join(allocator, &[_][]const u8{ "src", entry.path });
-            var dir = try std.fs.openDirAbsolute(std.fs.path.dirname(output_path).?, .{});
+            var dir = try std.fs.cwd().openDir(std.fs.path.dirname(output_path).?, .{});
             const dest_dir = try dir.makeOpenPath(std.fs.path.dirname(relpath).?, .{});
             const src_file = try dest_dir.createFile(std.fs.path.basename(relpath), .{});
             try src_file.writeAll(src_data);
@@ -47,7 +47,7 @@ pub fn main() !void {
         }
     }
 
-    const file = try std.fs.createFileAbsolute(output_path, .{ .truncate = true });
+    const file = try std.fs.cwd().createFile(output_path, .{ .truncate = true });
     try file.writeAll(generated_routes);
     file.close();
 }