TechTalk: Serverless Framework, 24 May 2015

hanlder.js

'use strict';

module.exports.hello = (event, context, callback) => {
  const response = {
    statusCode: 200,
    body: JSON.stringify({
      message: 'Go Serverless v1.0! Your function executed successfully!',
      input: event,
    }),
  };

  callback(null, response);

  // Use this code if you don't use the http event with the LAMBDA-PROXY integration
  // callback(null, { message: 'Go Serverless v1.0! Your function executed successfully!', event });
};

module.exports.demo = (event, context, callback) => {
  let id = event.pathParameters.id;
  let response = {
    statusCode: 200,
    body: JSON.stringify({
      id: id
    }),
  };

  if (id !== "goodbye") {
    response = {
      statusCode: 404,
      body: JSON.stringify({
        message: "Bad ID",
      })
    }
  }

  callback(null, response);
};

module.exports.img = (event, context, callback) => {
  event.Records.forEach(record => {
    const filename = record.s3.object.key;
    const filesize = record.s3.object.size;
    console.log(`${filename} (${filesize} bytes) was just uploaded`);
  });
}

serverless.yml

service: techtalk

provider:
  name: aws
  runtime: nodejs6.10
  region: eu-west-1
  profile: vpdev

functions:
  hello:
    handler: handler.hello
    events:
    - http:
        path: v1/hello
        method: post

  demo:
    handler: handler.demo
    events:
    - http:
        path: v1/demo/{id}
        method: get
    - http:
        path: v1/demo/{id}
        method: delete
  
  img:
    handler: handler.img
    events:
    - s3:
        bucket: "demo-techtalk-bucket"
        event: s3:ObjectCreated:*
        rules:
          - suffix: .jpg