This is a build variant with PostgreSQL including count_bits.

There are no other differences with static-dockerhub setup.

Look here for more information: https://git.tt-rss.org/fox/ttrss-docker-compose/src/static-dockerhub/README.md

FAQ

How do I create functions on existing database?

docker-compose exec --user postgres db sh -c "cd /opt/count-bits ; make create_functions"