Function start_server

crates/cargo-lambda-watch/src/lib.rs:198–303

(
    subsys: SubsystemHandle,
    runtime_state: RuntimeState,
    cargo_options: CargoOptions,
    watcher_config: WatcherConfig,
    tls_options: TlsOptions,
    disable_cors: bool,
    timeout: Op

}

async fn start_server(
    subsys: SubsystemHandle,
    runtime_state: RuntimeState,
    cargo_options: CargoOptions,
    watcher_config: WatcherConfig,
    tls_options: TlsOptions,
    disable_cors: bool,
    timeout: Option<Timeout>,
) -> Result<()> {
    let only_lambda_apis = watcher_config.only_lambda_apis;
    let init_default_function =
        runtime_state.is_default_function_enabled() && watcher_config.send_function_init();

    let (runtime_addr, proxy_addr, runtime_url) = runtime_state.addresses();

    let x_request_id = HeaderName::from_static("lambda-runtime-aws-request-id");
    let req_tx = init_scheduler(
        &subsys,
        runtime_state.clone(),
        cargo_options,
        watcher_config,
    );

    let state_ref = Arc::new(runtime_state);
    let mut app = Router::new()
        .merge(trigger_router::routes().with_state(state_ref.clone()))
        .nest(
            RUNTIME_EMULATOR_PATH,
            runtime::routes().with_state(state_ref.clone()),
        )
        .layer(SetRequestIdLayer::new(
            x_request_id.clone(),
            MakeRequestUuid,
        ))
        .layer(PropagateRequestIdLayer::new(x_request_id))
        .layer(Extension(req_tx.clone()))
        .layer(TraceLayer::new_for_http())
        .layer(CatchPanicLayer::new());
    if !disable_cors {
        app = app.layer(CorsLayer::very_permissive());
    }
    if let Some(timeout) = timeout {
        app = app.layer(TimeoutLayer::new(timeout.duration()));
    }
    let app = app.with_state(state_ref);

    if only_lambda_apis {
        info!("");
        info!(
            "the flag --only_lambda_apis is active, the lambda function will not be started by Cargo Lambda"
        );
        info!("the lambda function will depend on the following environment variables");
        info!(
            "you MUST set these variables in the environment where you're running your function:"
        );
        info!("AWS_LAMBDA_FUNCTION_VERSION=1");
        info!("AWS_LAMBDA_FUNCTION_MEMORY_SIZE=4096");
        info!("AWS_LAMBDA_RUNTIME_API={}", runtime_url);