This app downloads the title and cover of packtpub's free book. Uses the puppeteer package to control google-chrome in headless mode. It sends the downloaded information to the chat system (rocketchat) via the axios library. Integration with rocketchat involves the use of webhooks (incoming integration). Unit testing via jest library. Development environment created via docker-compose. Pipeline for build, test, audit dependiences and deploy via Gitlab-CI.

Run make init, on first run. This command is shortcut for:

• install required npm packages
• provision rocketchat docker service (add incoming integration)
• initialize the replica set for mongo

If you don't do it the rocketchar container will not up: packtpubfreelearning_rocketchat_1 node main.js Exit 1 Open webrowser and go to url rocketchat.lvh.me and finish configuration.

Invoke the command docker-compose exec puppeteer node /home/node/app/src/index.js Or use shortcut make puppeteer

SSH_PRIVATE_KEY - private ssh key to deploy

PROD_CONFIG - .env file contents

CODECOV_TOKEN - token for codecov

DOCKER_USERNAME - docker hub username (default value morawskim)

DOCKER_PASSWORD - docker hub password or access token

To deploy this script use docker. You can use docker-compose or docker swarm. In deploy/docker-compose.sensi.yml you can found example configuration.

If you don't change timezone then default value UTC will be used. You can also set env CRON_EXPRESSION if you want to change the default time to fetch the information about the free book. The default value is 7:50 AM.

In .env file you must have ROCKETCHAT_WEBHOOK_URL set to your incoming webhook URL.