Have you had experience with difficulties when using Docker Compose?

Yes, working with Docker Compose often involves typical challenges that need to be addressed:

• Network and port issues: port conflicts or incorrect network alias configurations can cause containers not to see each other.
• Dependencies between services: sometimes services start in the wrong order, leading to errors, for example, the database is not ready yet, but the application tries to connect.
• Volume problems: incorrect mounting of directories can lead to data loss or inability to access necessary files.
• Image versions and caching: changes in Dockerfile or docker-compose.yml may not be applied due to cache.

To solve these problems, it is useful to:

• Use depends_on and healthcheck directives to control startup order.
• Check port and network configurations.
• Clear Docker cache if necessary (docker-compose build --no-cache).
• Test volume mounting and access rights.

Experience with these challenges helps better understand Docker Compose's internal mechanisms and write more reliable configurations.