use docker compose instead

postgres/init.sql

@@ -0,0 +1,3 @@
+CREATE ROLE gitea WITH LOGIN PASSWORD 'gitea';
+CREATE DATABASE giteadb WITH OWNER gitea TEMPLATE template0 ENCODING UTF8 LC_COLLATE 'en_US.UTF-8' LC_CTYPE 'en_US.UTF-8';
+GRANT ALL PRIVILEGES ON DATABASE giteadb TO gitea;