Running Odoo and Postgres in separate container

Odoo:

version: '2'

services:
  app:
    image: skyguyver/odoo9_latest
    container_name: develop
    ports:
      - "3033:8069"
    volumes:
      - develop-data:/var/lib/odoo
      - ./addons:/mnt/extra-addons
    environment:
      - PYTHONUNBUFFERED=1
      - HOST=172.18.0.1
      - PORT=3032
      - USER=odoo
      - PASSWORD=odoo
    #command: openerp-server -d develop -u all

volumes:
  develop-data:

Postgres:

version: '2'

services:

  db:

    image: postgres:9.6

    ports:

      - "3032:5432"

    environment:

      - POSTGRES_USER=odoo

      - POSTGRES_PASSWORD=odoo

      - PGDATA=/var/lib/postgresql/data/pgdata

    volumes:

      - dbdata:/var/lib/postgresql/data/pgdata

volumes:

  dbdata: