docker-compose.production.yml

version: '3.8'

# This uses a production release of the application that can be tested locally. 
# You'll need to run `docker compose exec postgres bash -c "pg_dump -U [YOURDBNAME] -d [YOURUSERNAME] > /backups/backup.sql"`
# to create a backup of your local postgres database before running this.
services:
  web:
    build:
      context: .
      dockerfile: Dockerfile
    env_file:
      - .env
    environment:
      - "MIX_ENV=${MIX_ENV:-prod}"
      - "NODE_ENV=${NODE_ENV:-production}"
    ports:
      - "${DOCKER_WEB_PORT_FORWARD:-0.0.0.0:8000}:${PORT:-8000}"
    depends_on:
      postgres:
        condition: service_healthy

  postgres:
    image: "postgres:16.0-bookworm"
    environment:
      POSTGRES_USER: "${POSTGRES_USER}"
      POSTGRES_PASSWORD: "${POSTGRES_PASSWORD}"
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./.backups:/backups
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER}"]
      interval: 5s
      timeout: 5s
      retries: 5

volumes:
  postgres_data: