FIx typo

- Major security improvements

- No root user allowed anymore, root user is disabled
- Users are NOT part of the sudo group anymore
- Dedicated user (worker) used as default container user
- APT commands (eg. apt install) are allowed, other commands using sudo are disallowed.
- Separated Docker external network when using Docker Compose
- Boolean arguments converted to 'yes' or 'no' strings

Clean-up the build. Add only the nessary packages. Improve setup scri…

…pt. Add todos

Release bump

New release: version 1.3

version 1.2

Docker image v1.1

Docker image v1.0