Fix Dockerfiles + CI job for building and uploading docker images (#22) * fix: glibc in final docker images * fix: pin rust image to major version based on debian * fix: adjust compose file for new Dockerfile * ci: public docker image on repo tag * ci: test pushing to own repo * ci: fix * ci: change image name * ci: fix image name again * ci: switch to upstream repo config * refactor: ARG for final base image * fix: switch to nonroot docker image