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.
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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.
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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?
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