Caching docker image on CircleCI

At BKNO3 we use Docker and docker-compose for development, in order to make sure every developer can easily and reliably set up a development environment locally, even if they're not familiar with the project itself (we have several components, with different developers working on each one). The same docker containers are used to run continuous integration (on CircleCI) as well, in order to reduce

[kamatama_41]

なるほど