By leveraging environment variables and interpolation in Docker Compose, you can create versatile and reusable configurations, making your Dockerized applications easier to manage and deploy across different environments.


Before using environment variables, read through all of the information first to get a full picture of environment variables in Docker Compose.

This section covers:

It also covers:

  • How interpolation can be used to set variables within your Compose file and how it relates to a container's environment.
  • Some best practices.