How can I manage secrets in Docker Compose files?

How can I manage secrets in Docker Compose files?

You can manage secrets in Docker Compose files by using the secrets key to define your secrets and then referencing them in your services.

Can you show me an example of how to define a secret?

Sure! Here's a simple example:

version: '3.7'
services:
  web:
    image: my-web-app
    secrets:
      - my_secret

secrets:
  my_secret:
    file: ./my_secret.txt

What if I want to use environment variables instead?

You can use environment variables by defining them in the environment section of your service. However, be cautious as they are not as secure as using Docker secrets.

Are there any best practices for managing secrets?

Yes, always avoid hardcoding secrets in your Dockerfiles or Compose files. Use Docker secrets for sensitive data and consider using a secret management tool.