docker-compose.yaml

version: "3"
services:
  backend:
    container_name: backend # Name of the backend container
    build: # Build configuration for the backend
      context: ./backend # Directory containing Dockerfile
      dockerfile: Dockerfile
    image: strapi:latest # Use the latest Strapi image
    restart: unless-stopped # Always restart unless explicitly stopped
    environment: # Environment variables for configuration
      HOST: 0.0.0.0
      PORT: 1337
      DATABASE_HOST: database # Link to the database service by name
      DATABASE_NAME: pdf_db
      DATABASE_USERNAME: postgres
      DATABASE_PASSWORD: postgres
      NODE_ENV: development # Set node environment to development
    volumes: # Mount points for persistent data and source code
      - ./backend/config:/opt/app/config
      - ./backend/public/uploads:/opt/app/public/uploads
    ports:
      - "1337:1337" # Expose port 1337 to the host
    networks:
      - strapi # Connect to the 'strapi' network
    depends_on:
      - database # Depends on the database service
  database:
    container_name: database # Name of the database container
    platform: linux/arm64 # Specify the platform (important for ARM64 architectures)
    image: postgres:12.0-alpine # Use PostgreSQL 12 on Alpine for smaller size
    restart: unless-stopped
    environment: # PostgreSQL user, password, and database name
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: pdf_db
    volumes:
      - strapi-data:/var/lib/postgresql/data/ # Persistent storage for the database
    networks:
      - strapi # Connect to the 'strapi' network
volumes:
  strapi-data: # Define a volume for PostgreSQL data
networks:
  strapi: # Custom network for inter-container communication
    name: Strapi
    driver: bridge