basic serverless configuration for ssr

Author: velopert

velog-ssr/.gitignore

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+# package directories
+node_modules
+jspm_packages
+
+# Serverless directories
+.serverless
+
+# Webpack directories
+.webpack
+dist

velog-ssr/.prettierrc.js

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+// .prettierrc.js
+module.exports = {
+  printWidth: 100,
+  parser: "typescript",
+  singleQuote: true,
+  useTabs: false, // Indent lines with tabs instead of spaces.
+  printWidth: 80, // Specify the length of line that the printer will wrap on.
+  tabWidth: 2, // Specify the number of spaces per indentation-level.
+  trailingComma: "es5"
+};

velog-ssr/package.json

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+{
+  "name": "velog-ssr",
+  "version": "1.0.0",
+  "description": "Serverless webpack example using Typescript",
+  "main": "handler.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "dev": "NODE_PATH=dist nodemon dist/local.js --watch ./dist",
+    "deploy": "sls deploy"
+  },
+  "dependencies": {
+    "koa": "^2.5.2",
+    "koa-bodyparser": "^4.2.1",
+    "koa-router": "^7.4.0",
+    "serverless-http": "^1.6.0",
+    "source-map-support": "^0.5.0"
+  },
+  "devDependencies": {
+    "@types/aws-lambda": "8.10.1",
+    "@types/koa": "^2.0.46",
+    "@types/koa-router": "^7.0.31",
+    "@types/node": "^8.0.57",
+    "nodemon": "^1.18.3",
+    "serverless-offline": "^3.25.6",
+    "serverless-webpack": "^5.1.1",
+    "ts-loader": "^4.2.0",
+    "tslint": "^5.11.0",
+    "tslint-config-airbnb": "^5.9.2",
+    "tslint-config-prettier": "^1.14.0",
+    "typescript": "^2.8.1",
+    "webpack": "^4.5.0"
+  },
+  "author": "The serverless webpack authors (https://github.com/elastic-coders/serverless-webpack)",
+  "license": "MIT"
+}

velog-ssr/serverless.yml

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+service:
+  name: velog-ssr
+
+# Add the serverless-webpack plugin
+plugins:
+  - serverless-webpack
+  - serverless-offline
+
+provider:
+  name: aws
+  runtime: nodejs8.10
+  region: ap-northeast-2
+
+functions:
+  app:
+    handler: src/serverless.handler
+    events:
+      - http:
+          method: ANY
+          path: /
+      - http:
+          method: ANY
+          path: /{any+}

velog-ssr/source-map-install.js

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+require('source-map-support').install();

velog-ssr/src/handler.ts

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+import { APIGatewayEvent, Callback, Context, Handler } from 'aws-lambda';
+
+export const hello: Handler = (event: APIGatewayEvent, context: Context, cb: Callback) => {
+  const response = {
+    statusCode: 200,
+    body: JSON.stringify({
+      message: 'Go Serverless Webpack (Typescript) v1.0! Your function executed successfully!',
+      input: event,
+    }),
+  };
+
+  cb(null, response);
+}

velog-ssr/src/local.ts

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+import Server from './server';
+
+const server = new Server();
+server.listen(5000);

velog-ssr/src/router/index.ts

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+import * as Router from 'koa-router';
+import { Context } from 'koa';
+
+const router = new Router();
+
+router.get('/', (ctx: Context) => {
+  ctx.body = 'I am alive!';
+});
+
+export default router;

velog-ssr/src/server.ts

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+import * as Koa from 'koa';
+import router from './router';
+
+class Server {
+  app: Koa;
+  constructor() {
+    this.app = new Koa();
+    this.setup();
+  }
+  setup() {
+    this.app.use(router.routes()).use(router.allowedMethods());
+  }
+  listen(port: number) {
+    this.app.listen(port);
+    console.log(`Listening to port ${port}`);
+  }
+}
+
+export default Server;

velog-ssr/src/serverless.ts

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+import { APIGatewayEvent, Context, Callback } from 'aws-lambda';
+import * as serverlessHttp from 'serverless-http';
+import Server from './server';
+
+const server = new Server();
+
+export const handler = (
+  event: APIGatewayEvent,
+  context: Context,
+  cb: Callback
+) => {
+  // something to do before serverlessHttp
+  return serverlessHttp(server.app)(event, context, cb);
+};