Docker Compose is a tool for defining and running multi-container Docker applications. It’s based on compose file in YAML format, in which services, networks, and volumes are defined, with relations between them.
Dockerfile: runtime definition
A Dockerfile is to a project what sheet music is to a song - it ensures that the same operations are always performed, in the same order, with the same result.
Docker for local development
Docker has been in the developers’ world for years, but for many people it is still something remote and enigmatic. In a series of posts, I would like to introduce both theory and practice - you will find out how Docker can help you in your daily work, how to prepare an environment based on Docker and how to use this environment.
Docker Compose: secrets available during build
Building images introduces many challenges, one of them is safety of persisted data. How to avoid publishing sensitive data, that should remain private?