docker-compose.yml

version: "3.9"

services:

  # ── TimescaleDB (PostgreSQL + TimescaleDB + PostGIS) ──────────────────────
  timescaledb:
    image: timescale/timescaledb-ha:pg16-latest
    restart: unless-stopped
    environment:
      POSTGRES_USER:     atmos
      POSTGRES_PASSWORD: atmos
      POSTGRES_DB:       atmos
    ports:
      - "5432:5432"
    volumes:
      - timescaledb_data:/var/lib/postgresql/data
      - ./db/schema.sql:/docker-entrypoint-initdb.d/01_schema.sql:ro
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U atmos -d atmos"]
      interval: 10s
      timeout: 5s
      retries: 10

  # ── Redis (optional cache) ─────────────────────────────────────────────────
  redis:
    image: redis:7-alpine
    restart: unless-stopped
    command: redis-server --maxmemory 256mb --maxmemory-policy allkeys-lru
    ports:
      - "6379:6379"
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 3s
      retries: 5

  # ── Python Data Engine ────────────────────────────────────────────────────
  data_engine:
    build:
      context: ./data_engine
      dockerfile: Dockerfile
    restart: unless-stopped
    ports:
      - "8000:8000"
    environment:
      - REDIS_URL=redis://redis:6379
      - DATABASE_URL=postgresql://atmos:atmos@timescaledb:5432/atmos
      - WAQI_TOKEN=${WAQI_TOKEN}
      - NASA_FIRMS_KEY=${NASA_FIRMS_KEY}
      - INGEST_INTERVAL_SEC=${INGEST_INTERVAL_SEC:-300}
    depends_on:
      redis:
        condition: service_healthy
      timescaledb:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/docs"]
      interval: 20s
      timeout: 5s
      retries: 5

  # ── Go API Gateway ────────────────────────────────────────────────────────
  gateway:
    build:
      context: ./backend
      dockerfile: Dockerfile
    restart: unless-stopped
    ports:
      - "8080:8080"
    environment:
      - PORT=8080
      - GIN_MODE=release
      - DATA_ENGINE_URL=http://data_engine:8000
    depends_on:
      data_engine:
        condition: service_healthy

  # ── Frontend (nginx) ──────────────────────────────────────────────────────
  frontend:
    image: nginx:alpine
    restart: unless-stopped
    ports:
      - "3000:80"
    volumes:
      - ./frontend:/usr/share/nginx/html:ro
      - ./nginx.conf:/etc/nginx/conf.d/default.conf:ro
    depends_on:
      - gateway

volumes:
  timescaledb_data: