gitea-compose

     ---
services:
  server:
    image: docker.io/gitea/gitea:nightly
    container_name: gitea-server
    environment:
      - USER_UID=1000
      - USER_GID=1000
      # -- Change your database settings here...
      # --> PostgreSQL
      - GITEA__database__DB_TYPE=postgres
      - GITEA__database__HOST=${POSTGRES_HOST:-db}:${POSTGRES_PORT:-5432}
      - GITEA__database__NAME=${POSTGRES_DB:?POSTGRES_DB not set}
      - GITEA__database__USER=${POSTGRES_USER:?POSTGRES_USER not set}
      - GITEA__database__PASSWD=${POSTGRES_PASSWORD:?POSTGRES_PASSWORD not set}
      # <--
      # --> OR MySQL
      # - GITEA__database__DB_TYPE=mysql
      # - GITEA__database__HOST=db:3306
      # - GITEA__database__NAME=${MYSQL_DATABASE:?MYSQL_DATABASE not set}
      # - GITEA__database__USER=${MYSQL_USER:?MYSQL_USER not set}
      # - GITEA__database__PASSWD=${MYSQL_PASSWORD:?MYSQL_PASSWORD not set}
      # <--
      # -- (Optional) Change your server settings here...
      - GITEA__server__SSH_PORT=2221  # <-- (Optional) Replace with your desired SSH port
      - GITEA__server__ROOT_URL=http://your-fqdn  # <-- Replace with your FQDN
    # --> (Optional) When using traefik...
    networks:
    #   - frontend
    # <--
    # --> (Optional) When using an internal database...
        - backend
    # <--
    volumes:
      - gitea-data:/data
      - /etc/timezone:/etc/timezone:ro
      - /etc/localtime:/etc/localtime:ro
    ports:
      # --> (Optional) Remove when using traefik...
      - "3000:3000"
      # <--
      - "2221:22"  # <-- (Optional) Replace with your desired SSH port
      # --> (Optional) When using internal database...
    depends_on:
        - db
    # <--
    # --> (Optional) When using traefik...
    # labels:
    #   - traefik.enable=true
    #   - traefik.http.services.gitea.loadbalancer.server.port=3000
    #   - traefik.http.services.gitea.loadbalancer.server.scheme=http
    #   - traefik.http.routers.gitea-https.entrypoints=websecure
    #   - traefik.http.routers.gitea-https.rule=Host(`your-fqdn`)  # <-- Replace with your FQDN
    #   - traefik.http.routers.gitea-https.tls=true
    #   - traefik.http.routers.gitea-https.tls.certresolver=your-certresolver  # <-- Replace with your certresolver
    # <--
    restart: unless-stopped

# --> When using internal database
  db:
    image: postgres:14
    container_name: gitea-db
    environment:
      - POSTGRES_USER=${POSTGRES_USER:?POSTGRES_USER not set}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:?POSTGRES_PASSWORD not set}
      - POSTGRES_DB=${POSTGRES_DB:?POSTGRES_DB not set}
    networks:
      - backend
    volumes:
      - gitea-db:/var/lib/postgresql/data
    restart: unless-stopped
# <--
volumes:
     gitea-data:
       driver: local
# --> When using internal database
     gitea-db:
       driver: local
# <--
# --> (Optional) When using traefik... 

networks:
#   frontend:
#     external: true
# <--
# --> (Optional) When using an internal database...
    backend:
      external: true
# <--