docker-mailserver/docs/content/how-to-contribute.md

Contribution is like any other GitHub project:

• Fork
• Improve
• Add integration tests in test/tests.bats
• Build image and run tests using make
• Document your improvements
• Commit, push and make a pull-request

Project architecture

├── config                    # User: personal configurations
├── target                    # Developer: default server configurations
└── test                      # Developer: integration tests