|  9ab9d76240 See https://docs.docker.com/engine/userguide/eng-image/dockerfile_best-practices/#apt-get
- Replaced `-y install` with `install -y` (unification)
- Put every package on its own line
- Moved `rm -rf /var/lib/apt/lists/*` in the same `RUN` statement as `apt-get`
- Removed unnecessary `apt-get clean`
  See  | ||
|---|---|---|
| data | ||
| .env | ||
| .gitignore | ||
| docker-compose.yml | ||
| generate_config.sh | ||
| mailcow-reset-admin.sh | ||
| mailcow-setup-relayhost.sh | ||
| README.md | ||