base files for the build process

Author: Jan Kammerath

.gitignore

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+.build
+bootstrap
+*.resolved

Makefile

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+build:
+	docker run --rm --platform linux/arm64 -v "$(PWD):/src" -w /src swift:5.9.1-amazonlinux2 /bin/bash \
+		-c "swift build --product ServerlessSwift -c release -Xswiftc -static-stdlib; mv .build/release/ServerlessSwift bootstrap"

Package.swift

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+// swift-tools-version: 5.9.1
+import PackageDescription
+
+let package = Package(
+    name: "ServerlessSwift",
+    products: [
+        .executable(name: "ServerlessSwift", targets: ["ServerlessSwift"])
+    ],
+    dependencies: [
+        .package(url: "https://github.com/vapor/vapor.git", .upToNextMajor(from: "4.0.0")),
+        .package(url: "https://github.com/vapor-community/vapor-aws-lambda-runtime", .upToNextMajor(from: "0.4.0"))
+    ],
+    targets: [
+        .executableTarget(
+            name: "ServerlessSwift", 
+            dependencies: [
+                .product(name: "Vapor", package: "vapor"),
+                .product(name: "VaporAWSLambdaRuntime", package: "vapor-aws-lambda-runtime")
+            ],
+            path: ".",
+            exclude: ["Makefile", "template.yaml", "sam-launch.sh"]
+        ),
+    ]
+)

sam-launch.sh

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+#!/bin/bash
+sam local start-api --template template.yaml

src/main.swift

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+import Vapor
+import VaporAWSLambdaRuntime
+
+let app = Application()
+
+struct Pong: Content {
+    let pong: String
+}
+
+app.get("ping") { (_) -> Pong in
+    Pong(pong: "hello")
+}
+
+app.servers.use(.lambda)
+
+try app.run()

template.yaml

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+AWSTemplateFormatVersion: '2010-09-09'
+Transform: AWS::Serverless-2016-10-31
+Description: Serverless Swift API
+
+Resources:
+    RestApi:
+        Type: AWS::Serverless::Api
+        Properties:
+            StageName: Prod
+
+    ApiFunction:
+        Type: AWS::Serverless::Function
+        Properties:
+            Handler: bootstrap
+            Runtime: provided.al2
+            CodeUri: .
+            MemorySize: 128
+            Timeout: 30
+            Architectures:
+              - arm64
+            Events:
+                RootEvent:
+                    Type: Api
+                    Properties:
+                        RestApiId: !Ref RestApi
+                        Path: /
+                        Method: any
+                        Auth:
+                            ApiKeyRequired: true
+                ProxyEvent:
+                    Type: Api
+                    Properties:
+                        RestApiId: !Ref RestApi
+                        Path: /{proxy+}
+                        Method: any
+                        Auth:
+                            ApiKeyRequired: true
+
+    ApiKey:
+        Type: AWS::ApiGateway::ApiKey
+        DependsOn:
+        - RestApi
+        - RestApiProdStage
+        - ApiFunction
+        Properties:
+            Name: !Join ["", [{"Ref": "AWS::StackName"}, "-apikey-", !Select [2, !Split ['/', !Ref AWS::StackId]]]]
+            Description: "API Key"
+            Enabled: true
+            StageKeys:
+                - RestApiId: !Ref RestApi
+                  StageName: Prod
+
+    ApiUsagePlan:
+        Type: AWS::ApiGateway::UsagePlan
+        DependsOn:
+        - RestApi
+        - RestApiProdStage
+        - ApiFunction
+        Properties:
+            ApiStages:
+                - ApiId: !Ref RestApi
+                  Stage: Prod
+            Description: !Join [" ", [{"Ref": "AWS::StackName"}, "usage plan"]]
+            Quota:
+                Limit: 1000
+                Period: DAY
+            UsagePlanName: !Join ["", [{"Ref": "AWS::StackName"}, "-usage-plan"]]
+
+    ApiUsagePlanKey:
+        Type: AWS::ApiGateway::UsagePlanKey
+        DependsOn:
+        - RestApi
+        - RestApiProdStage
+        - ApiKey
+        - ApiUsagePlan
+        Properties:
+            KeyId: !Ref ApiKey
+            KeyType: API_KEY
+            UsagePlanId: !Ref ApiUsagePlan