[AWS][Lambda] Lambda で Typetalk に投稿するサンプル ref: http://qiita.com/wokamoto/items/44c0439c0e56fd6e0035

handler.js

'use strict';

module.exports.hello = (event, context, callback) => {
    const https = require('https');
    const querystring = require('querystring');
    const typetalk_talken = process.env.TYPETALK_TOKEN;
    const typetalk_room = process.env.TYPETALK_ROOM;

    const options = {
        hostname: 'typetalk.in',
        path: '/api/v1/topics/'+typetalk_room+'?typetalkToken='+typetalk_talken,
        method: 'POST',
        headers: {
            'Content-Type': 'application/x-www-form-urlencoded'
        }
    };

    let req = https.request(options, (res) => {
        let response = {
            statusCode: res.statusCode,
            body: JSON.stringify({
                statusCode: res.statusCode
            })
        };
        console.log('STATUS: ' + res.statusCode);
        callback(null,response);
    });
    req.write(querystring.stringify({'message': 'Hello Typetalk!'}));
    req.on('error', (err) => {
        callback(err);
    });
    req.end();
};

serverless.yml

service: post-typetalk

provider:
  name: aws
  runtime: nodejs6.10
  stage: dev
  region: ap-norhteast-1
  environment:
    TYPETALK_TOKEN: '<string>__TYPETALK_TALKEN_HERE__'
    TYPETALK_ROOM:  '<number>__TYPETALK_ROOM_NO_HERE__'

functions:
  hello:
    handler: handler.hello