`tzdata` package is required by Rails and Django farameworks Please, don't make too many developers extend postgres image! P.S. It was removed in: https://github.com/docker-library/postgres/commit/797fadcad2239919ea98aa7a3d14d32b4e8fc525 P.S. And community already start to requested it https://github.com/docker-library/postgres/pull/226 https://github.com/docker-library/postgres/issues/220
