Docker && postgres

postgres.yml

version: "3"
    
services:
  db:
    image: postgres:10.1
    env_file:
      - postgres_env
    ports:
      - '5432:5432'
    restart: always
    volumes: 
      - ./db_data:/var/lib/postgresql/data

postgres_env

POSTGRES_HOST=db
POSTGRES_PORT=5432
POSTGRES_USER=postgres
POSTGRES_PASSWORD=postgres
SECRET_KEY_BASE=temp
RAILS_ENV=production
RAILS_LOG_TO_STDOUT=true

run.sh

#!/bin/bash
open -a "Docker"
docker-compose -f postgres.yml build
docker-compose -f postgres.yml up -d