docker-exec

to execute commands against a running container use docker exec. to copy a file (ex: dump.sql) into a container, use docker cp So your approach might look something like this: docker cp ./dump.sql pg_test:/docker-entrypoint-initdb.d/dump.sql docker exec -u postgres pg_test psql postgres postgres -f docker-entrypoint-initdb.d/dump.sql here it is in generic form: docker cp ./localfile.sql containername:/container/path/file.sql docker … Read more