update fastify example

Author: adrai

fastify-app-lambda/README.md

@@ -5,8 +5,7 @@ This is a simple example that shows how to deploy an existing [fastify](https://
 ## Running the example
 
 1. run `npm install` to grab the dependencies
-2. run `npm run generate-proxy` to create a simple proxy API for the fastify app
-3. run `npm run deploy` to send everything up to AWS Lambda
+2. run `npm run deploy` to send everything up to AWS Lambda
 
 The third step will print out a URL you can use to access the fastify app.
 

fastify-app-lambda/app.js

@@ -1,14 +1,18 @@
-const fastify = require('fastify')();
+const fastify = require('fastify');
 
-fastify.get('/', (request, reply) => reply.send({ hello: 'world' }));
+function init(serverFactory) {
+  const app = fastify({ serverFactory });
+  app.get('/', (request, reply) => reply.send({ hello: 'world' }));
+  return app;
+}
 
 if (require.main === module) {
   // called directly i.e. "node app"
-  fastify.listen(3000, (err) => {
+  init().listen(3000, (err) => {
     if (err) console.error(err);
-    console.log(`server listening on ${fastify.server.address().port}`);
+    console.log('server listening on 3000');
   });
 } else {
   // required as a module => executed on aws lambda
-  module.exports = fastify;
+  module.exports = init;
 }

fastify-app-lambda/lambda.js

@@ -0,0 +1,15 @@
+const awsServerlessExpress = require('aws-serverless-express');
+const fastify = require('./app');
+let server;
+const serverFactory = (handler) => {
+  server = awsServerlessExpress.createServer(handler);
+  return server;
+}
+const app = fastify(serverFactory);
+exports.handler = (event, context, callback) => {
+  context.callbackWaitsForEmptyEventLoop = false;
+  app.ready((e) => {
+    if (e) return console.error(e.stack || e);
+    awsServerlessExpress.proxy(server, event, context, 'CALLBACK', callback);
+  });
+};

fastify-app-lambda/package.json

@@ -10,10 +10,10 @@
   },
   "license": "Apache-2.0",
   "dependencies": {
-    "aws-serverless-express": "^3.0.2",
-    "fastify": "^0.24.0"
+    "aws-serverless-express": "3.3.6",
+    "fastify": "2.1.0"
   },
   "devDependencies": {
-    "claudia": "^4"
+    "claudia": "^5"
   }
 }