docker-compose.yml

version: "3.8"

# startup order: database -> server -> client
# setup for local development to approximate prod (db is local image, final will be hosted on Heroku postgres)

volumes:
  db-data:
    name: db-data

services:
  svelte-client:
    container_name: frontend
    build: 
      context: ./frontend
      dockerfile: Dockerfile
    restart: on-failure
    ports: 
      - 5173:5173
    env_file:
      - ./frontend/.env
    depends_on:
      go-server:
        condition: service_healthy
      postgres-db:
        condition: service_healthy

  go-server:
    container_name: backend
    build:
      context: ./backend
      dockerfile: Dockerfile
    restart: on-failure
    ports:
      - 8080:8080
    env_file:
      - ./backend/.env
    healthcheck:
      test: curl -f http://localhost:8080/api-health || exit 1
      interval: 10s
      timeout: 3s
      retries: 3
    depends_on:
      postgres-db:
        condition: service_healthy

  postgres-db:
    container_name: database
    image: postgres:latest
    restart: always
    environment:
      POSTGRES_USER: root
      POSTGRES_PASSWORD: password
      POSTGRES_DB: postgres
    volumes:
      - db-data:/var/lib/postgres/data/
    ports:
      - 5432:5432
    healthcheck:
      test: ["CMD-SHELL", "sh -c 'pg_isready -U $$POSTGRES_USER -d $$POSTGRES_DB'"]
      interval: 10s
      timeout: 3s
      retries: 3