add config parameter so consumers can change defaults

build.zig

@@ -107,9 +107,12 @@ fn configureBuildInternal(b: *std.Build, exe: *std.Build.Step.Compile) !void {
         .target = b.graph.host,
         .optimize = .ReleaseSafe,
     });
-    try @import("lambdabuild.zig").configureBuild(b, lambda_build_dep, exe);
+    try @import("lambdabuild.zig").configureBuild(b, lambda_build_dep, exe, .{});
 }
 
+/// Re-export LambdaConfig for consumers
+pub const LambdaConfig = @import("lambdabuild.zig").Config;
+
 /// Configure Lambda build steps for a Zig project.
 ///
 /// This function adds build steps and options for packaging and deploying
@@ -127,12 +130,15 @@ fn configureBuildInternal(b: *std.Build, exe: *std.Build.Step.Compile) !void {
 ///
 /// ## Build Options
 ///
-/// The following options are added to the build:
+/// The following options are added to the build (command-line options override
+/// config defaults):
 ///
-/// - `-Dfunction-name=[string]`: Name of the Lambda function (default: "zig-fn")
+/// - `-Dfunction-name=[string]`: Name of the Lambda function
+///        (default: "zig-fn", or as provided by config parameter)
 /// - `-Dregion=[string]`: AWS region for deployment and invocation
 /// - `-Dprofile=[string]`: AWS profile to use for credentials
-/// - `-Drole-name=[string]`: IAM role name (default: "lambda_basic_execution")
+/// - `-Drole-name=[string]`: IAM role name
+///        (default: "lambda_basic_execution", or as provided by config parameter)
 /// - `-Dpayload=[string]`: JSON payload for invocation (default: "{}")
 /// - `-Denv-file=[string]`: Path to environment variables file (KEY=VALUE format)
 /// - `-Dallow-principal=[string]`: AWS service principal to grant invoke permission
@@ -155,14 +161,25 @@ fn configureBuildInternal(b: *std.Build, exe: *std.Build.Step.Compile) !void {
 ///     const exe = b.addExecutable(.{ ... });
 ///     b.installArtifact(exe);
 ///
-///     try lambda_zig.configureBuild(b, lambda_zig_dep, exe);
+///     // Use default config (function name defaults to "zig-fn")
+///     try lambda_zig.configureBuild(b, lambda_zig_dep, exe, .{});
+///
+///     // Or specify project-level defaults
+///     try lambda_zig.configureBuild(b, lambda_zig_dep, exe, .{
+///         .default_function_name = "my-function",
+///     });
 /// }
 /// ```
-pub fn configureBuild(b: *std.Build, lambda_zig_dep: *std.Build.Dependency, exe: *std.Build.Step.Compile) !void {
+pub fn configureBuild(
+    b: *std.Build,
+    lambda_zig_dep: *std.Build.Dependency,
+    exe: *std.Build.Step.Compile,
+    config: LambdaConfig,
+) !void {
     // Get lambda_build from the lambda_zig dependency's Build context
     const lambda_build_dep = lambda_zig_dep.builder.dependency("lambda_build", .{
         .target = b.graph.host,
         .optimize = .ReleaseSafe,
     });
-    try @import("lambdabuild.zig").configureBuild(b, lambda_build_dep, exe);
+    try @import("lambdabuild.zig").configureBuild(b, lambda_build_dep, exe, config);
 }

build.zig.zon

@@ -9,10 +9,6 @@
         .lambda_build = .{
             .path = "tools/build",
         },
-        .aws = .{
-            .url = "git+https://git.lerch.org/lobo/aws-sdk-for-zig#686b18d1f4329e80cf6d9b916eaa0c231333edb9",
-            .hash = "aws-0.0.1-SbsFcAc3CgCdWfayHWFazNfJBxkzLyU2wOJSj7h4W17-",
-        },
     },
     // Specifies the set of files and directories that are included in this package.
     // Only files and directories listed here are included in the `hash` that

lambdabuild.zig

@@ -5,6 +5,19 @@
 
 const std = @import("std");
 
+/// Configuration options for Lambda build integration.
+///
+/// These provide project-level defaults that can still be overridden
+/// via command-line options (e.g., `-Dfunction-name=...`).
+pub const Config = struct {
+    /// Default function name if not specified via -Dfunction-name.
+    /// This allows consuming projects to set their own default.
+    default_function_name: []const u8 = "zig-fn",
+
+    /// Default IAM role name if not specified via -Drole-name.
+    default_role_name: []const u8 = "lambda_basic_execution",
+};
+
 /// Configure Lambda build steps for a Zig project.
 ///
 /// Adds the following build steps:
@@ -12,23 +25,27 @@ const std = @import("std");
 /// - awslambda_iam: Create/verify IAM role
 /// - awslambda_deploy: Deploy the function to AWS
 /// - awslambda_run: Invoke the deployed function
+///
+/// The `config` parameter allows setting project-level defaults that can
+/// still be overridden via command-line options.
 pub fn configureBuild(
     b: *std.Build,
     lambda_build_dep: *std.Build.Dependency,
     exe: *std.Build.Step.Compile,
+    config: Config,
 ) !void {
     // Get the lambda-build CLI artifact from the dependency
     const cli = lambda_build_dep.artifact("lambda-build");
 
-    // Get configuration options
-    const function_name = b.option([]const u8, "function-name", "Function name for Lambda") orelse "zig-fn";
+    // Get configuration options (command-line overrides config defaults)
+    const function_name = b.option([]const u8, "function-name", "Function name for Lambda") orelse config.default_function_name;
     const region = b.option([]const u8, "region", "AWS region") orelse null;
     const profile = b.option([]const u8, "profile", "AWS profile") orelse null;
     const role_name = b.option(
         []const u8,
         "role-name",
         "IAM role name (default: lambda_basic_execution)",
-    ) orelse "lambda_basic_execution";
+    ) orelse config.default_role_name;
     const payload = b.option(
         []const u8,
         "payload",

tools/build/build.zig.zon

@@ -4,8 +4,8 @@
     .fingerprint = 0x6e61de08e7e51114,
     .dependencies = .{
         .aws = .{
-            .url = "git+https://git.lerch.org/lobo/aws-sdk-for-zig#fd568f26b976e5f84b27261fccd7b5c2fc9a14c0",
-            .hash = "aws-0.0.1-SbsFcEs5CgDQYOMkJZ14smUrAFVzQaf6G6l1IOYpwrMA",
+            .url = "git+https://git.lerch.org/lobo/aws-sdk-for-zig#c1df6ef3a6f4eb4eb75608c3cc6488cffc300793",
+            .hash = "aws-0.0.1-SbsFcC47CgCWY3bwHxku5J4BAohk-6UJZEUX1B0azJ_D",
         },
     },
     .paths = .{