22 Never the end
Docker is a truly exciting technology to learn because it has so many uses—everything from running your own Git server at home to migrating legacy apps to the cloud to building and running all-new cloud-native apps. I hope the journey we’ve been on in this book has helped you gain confidence with containers and you now know where you can put them to use in your current or next project. This final chapter gives you some hints on how you can make that happen successfully, and it ends with an introduction to the Docker community.
22.1 Run your own proof of concept
The more you use Docker, the more comfortable you’ll become with containers and the more you’ll get out of the technology. Pretty much any app can be containerized, so running a proof of concept (PoC) to migrate one of your own applications to Docker is a great start. It will give you a chance to bring the practical skills from this book into your own work, and the end result will be something you can demonstrate to the rest of your team.
There’s more to a successful PoC than just docker image build and docker container run. If you really want to show people the power of containers, your PoC should have a bit more in scope: