version: "3.4"
services:
  postgres:
    container_name: dendrite_postgres
    hostname: postgres
    image: postgres:9.5
    restart: always
    volumes:
        - ./postgres/create_db.sh:/docker-entrypoint-initdb.d/20-create_db.sh
    environment:
        POSTGRES_PASSWORD: itsasecret
        POSTGRES_USER: dendrite
    networks:
        - internal

networks:
  internal:
    attachable: true