docker-compose.yml

version: '3.8'

services:
  backend:
    build: ./backend
    ports:
      - "${PORT:-5000}:5000"
    environment:
      - MONGO_URI=mongodb://mongo:27017/stellaredupay
      - STELLAR_NETWORK=${STELLAR_NETWORK}
      - SCHOOL_WALLET_ADDRESS=${SCHOOL_WALLET_ADDRESS}
      - STELLAR_SECRET_KEY=${STELLAR_SECRET_KEY}
    depends_on:
      mongo:
        condition: service_healthy
    healthcheck:
      test: ["CMD-SHELL", "wget --no-verbose --tries=1 --spider http://localhost:5000/health || exit 0"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 30s

  frontend:
    build:
      context: ./frontend
      args:
        # NEXT_PUBLIC_* vars are inlined at build time by Next.js — pass as build arg
        NEXT_PUBLIC_API_URL: ${NEXT_PUBLIC_API_URL:-http://localhost:5000/api}
        NEXT_PUBLIC_STELLAR_NETWORK: ${STELLAR_NETWORK:-testnet}
    ports:
      - "3000:3000"
    depends_on:
      backend:
        condition: service_healthy

  mongo:
    image: mongo:7
    ports:
      - "27017:27017"
    volumes:
      - mongo_data:/data/db
    healthcheck:
      test: ["CMD", "mongosh", "--eval", "db.runCommand({ ping: 1 })"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 10s

  # Runs a mongodump every 24 hours and retains 7 days of backups.
  # Backups are written to the host path defined by BACKUP_DIR (default: ./backups).
  backup:
    image: mongo:7
    entrypoint: >
      /bin/sh -c '
        while true; do
          echo "[backup] $(date -u) — starting backup";
          mongodump
            --uri="$$MONGO_URI"
            --archive="/backups/$$(date -u +%Y%m%dT%H%M%SZ).gz"
            --gzip &&
          echo "[backup] done" ||
          echo "[backup] FAILED";
          find /backups -name "*.gz" -mtime +$$RETAIN_DAYS -delete;
          sleep 86400;
        done
      '
    environment:
      - MONGO_URI=mongodb://mongo:27017/stellaredupay
      - RETAIN_DAYS=${RETAIN_DAYS:-7}
    volumes:
      - ${BACKUP_DIR:-./backups}:/backups
    depends_on:
      mongo:
        condition: service_healthy
    restart: unless-stopped

volumes:
  mongo_data: