* /healthcheck endpoint usefull for monitoring, ci test also uses this
* customizable PORT with environment variable
* customizable PUID/PGID, reduce attack surface and allow better integration in rootless environments
* size optimization
* update to python 3.10
* add postgresql compatibility
* PUID/PGID default as root to not break current user environments
This creates two modes to run the Docker image:
- either in non-NIGHTLY mode, the latest version will be installed from
pypy.
- or in Nightly mode, it will clone the repository and update it every
time the instance is restarted.
It also updates Python to 3.7, for additional goodness.