Healthcheck broken with Podman #125

Since Podman always wraps HealthCmd= with /bin/sh -c, calling the internal healthcheck ends up failing (because /bin/sh doesn't exist).

I believe it would need to be baked into the Dockerfile:

....
HEALTHCHECK CMD ["/usr/local/bin/tranquil-pds", "healthcheck"]
ENTRYPOINT ["/usr/local/bin/tranquil-pds"]

And then HealthCmd= removed from the quadlet file.