docker-compose.yml
version: '3'
services:
db:
image: 'postgres:9.6-alpine'
environment:
POSTGRES_USER: "${POSTGRES_USER}"
POSTGRES_PASSWORD: "${POSTGRES_PASSWORD}"
server:
depends_on:
- 'db'
build: .
ports:
- '3000:3000'
volumes:
- '.:/app'
environment:
RAILS_ENV: 'production'
env_file:
- '.env'