add api gateway event as input and output

Author: sebsto

Examples/ServiceLifecycle/Package.swift

@@ -14,15 +14,17 @@ let package = Package(
     dependencies: [
         .package(url: "https://github.com/vapor/postgres-nio.git", from: "1.26.0"),
         .package(url: "https://github.com/swift-server/swift-aws-lambda-runtime.git", branch: "main"),
+        .package(url: "https://github.com/swift-server/swift-aws-lambda-events.git", from: "1.0.0"),
         .package(url: "https://github.com/swift-server/swift-service-lifecycle.git", from: "2.6.3"),
     ],
     targets: [
         .executableTarget(
             name: "LambdaWithServiceLifecycle",
             dependencies: [
                 .product(name: "PostgresNIO", package: "postgres-nio"),
-                .product(name: "AWSLambdaRuntime", package: "swift-aws-lambda-runtime"),
                 .product(name: "ServiceLifecycle", package: "swift-service-lifecycle"),
+                .product(name: "AWSLambdaRuntime", package: "swift-aws-lambda-runtime"),
+                .product(name: "AWSLambdaEvents", package: "swift-aws-lambda-events"),
             ]
         )
     ]

Examples/ServiceLifecycle/README.md

@@ -138,7 +138,7 @@ Get the API Gateway endpoint and test the function:
 API_ENDPOINT=$(aws cloudformation describe-stacks --stack-name servicelifecycle-stack --query 'Stacks[0].Outputs[?OutputKey==`APIGatewayEndpoint`].OutputValue' --output text)
 
 # Test the function
-curl -X POST -d '"empty string - input is not used"' "$API_ENDPOINT"
+curl "$API_ENDPOINT"
 ```
 
 The function will:

Examples/ServiceLifecycle/Sources/Lambda.swift

@@ -13,6 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 import AWSLambdaRuntime
+import AWSLambdaEvents
 import Logging
 import PostgresNIO
 import ServiceLifecycle
@@ -66,7 +67,7 @@ struct LambdaFunction {
 
     /// Function handler. This code is called at each function invocation
     /// input event is ignored in this demo.
-    private func handler(event: String, context: LambdaContext) async -> [User] {
+    private func handler(event: APIGatewayV2Request, context: LambdaContext) async throws -> APIGatewayV2Response {
 
         var result: [User] = []
         do {
@@ -89,7 +90,11 @@ struct LambdaFunction {
             logger.error("Database Error", metadata: ["cause": "\(String(reflecting: error))"])
         }
 
-        return result
+        return try .init(
+            statusCode: .ok,
+            headers: ["content-type": "application/json"],
+            encodableBody: result
+        )
     }
 
     /// Prepare the database