- Install Docker 17.03.0-ce+. This should also install Docker Compose 1.11.2+.
- Verify versions:
docker -v; docker-compose -v;
- Install VNC Viewer to view & interact with selenium sessions that would otherwise be headless.
This base Rails app is very simple since the focus here is on docker.
- Was setup with
rails new app --skip-active-record. The database was skipped to stay lightweight. - It has one root path route to the WelcomeController which renders "Hello World!" from
views/welcome/index.html.erb
docker-commpose build
docker-compose up Will install all the gems, and launch the web server.
open http://localhost:3000 Once the server is up, the root page can be seen on your local machine.
docker compose test Ensure the services are already 'up' in another terminal, or in detached mode, before running tests.
vnc://localhost:5900 password:secret To watch the selenium tests run, use VNC to connect to the Selenium service. VNC Viewer works well, and on OS X Screen Sharing app is built-in. To interact and debug a browser session, add byebug into the test to stop the driver.