Using Travis CI to test Docker builds
In last months article we discussed “Dockerizing” this blog. What I left out from that article was how I also used Docker Hub's automatic builds functionality to automatically create a new image every time changes are made to the GitHub Repository which contains the source for this blog. The automatic builds are useful because I can simply make changes to the code or articles within the repository and once pushed, those changes trigger Docker Hub to build an image using the Dockerfile we created in the previous article....