This assumes you've got docker-machine installed, running, and can do docker run
docker run --name travis-debug -dit quay.io/travisci/travis-ruby /sbin/init
docker exec -it travis-debug bash -l
| /** | |
| * Get Google Page Speed Screenshot | |
| * | |
| * Uses Google's Page Speed API to generate a screenshot of a website. | |
| * Returns the image as a base64 jpeg image tag | |
| * | |
| * Usage Example: | |
| * echo getGooglePageSpeedScreenshot("http://ghost.org", 'class="thumbnail"'); | |
| * | |
| * |
| // Use Gists to store code you would like to remember later on | |
| console.log(window); // log the "window" object to the console |