* feat: handle openssl producing special characters that were causing errrs for sed to read
* feat: use all variables in dockerfile from the sole env itself
* feat: github action to build and push to dockerhub on release
* feat: docker repo and quickstart readmne
* fix: check for NEXTAUTH_SECRET in dockerfile before running
* fix: check for NEXTAUTH_SECRET as null or not
* add deployment guide
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Co-authored-by: Matthias Nannt <mail@matthiasnannt.com>