مشروع متكامل — البنية التحتية والنشر

version: '3.8'

services:
  user-service:
    build: ./services/user-service
    ports: ["3001:3001"]
    environment:
      - DB_HOST=user-db
      - REDIS_URL=redis://redis:6379
    depends_on:
      - user-db
      - redis

  course-service:
    build: ./services/course-service
    ports: ["3002:3002"]
    depends_on:
      - course-db
      - redis

  enrollment-service:
    build: ./services/enrollment-service
    ports: ["3003:3003"]
    depends_on:
      - enrollment-db
      - rabbitmq

  payment-service:
    build: ./services/payment-service
    ports: ["3004:3004"]
    depends_on:
      - payment-db
      - rabbitmq

  notification-service:
    build: ./services/notification-service
    depends_on:
      - rabbitmq

  gateway:
    build: ./gateway
    ports: ["8080:8080"]
    depends_on:
      - user-service
      - course-service

  redis:
    image: redis:7-alpine
  rabbitmq:
    image: rabbitmq:3-management-alpine
  user-db:
    image: postgres:14-alpine
  course-db:
    image: postgres:14-alpine
  enrollment-db:
    image: mongo:6
  payment-db:
    image: postgres:14-alpine

volumes:
  user-db-data:
  course-db-data:
  enrollment-db-data:
  payment-db-data:

# k8s/user-service.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: user-service
spec:
  replicas: 3
  selector:
    matchLabels:
      app: user-service
  template:
    metadata:
      labels:
        app: user-service
    spec:
      containers:
        - name: user-service
          image: ${REGISTRY}/user-service:${BUILD_TAG}
          ports:
            - containerPort: 3001
          env:
            - name: DB_HOST
              value: "user-db-service"
            - name: REDIS_URL
              value: "redis://redis-service:6379"
          livenessProbe:
            httpGet: { path: /health, port: 3001 }
          readinessProbe:
            httpGet: { path: /ready, port: 3001 }
          resources:
            requests:
              memory: "128Mi"
              cpu: "100m"
            limits:
              memory: "256Mi"
              cpu: "200m"
---

apiVersion: v1
kind: Service
metadata:
  name: user-service
spec:
  selector:
    app: user-service
  ports:
    - port: 3001
  type: ClusterIP

# .github/workflows/deploy.yml
name: Deploy

on:
  push:
    branches: [main]

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - run: npm ci
      - run: npm test

  build-and-push:
    needs: test
    runs-on: ubuntu-latest
    strategy:
      matrix:
        service: [user-service, course-service, enrollment-service, payment-service, notification-service, gateway]
    steps:
      - uses: actions/checkout@v3
      - name: Build & Push
        uses: docker/build-push-action@v4
        with:
          context: ./services/${{ matrix.service }}
          push: true
          tags: |
            ${{ secrets.REGISTRY }}/${{ matrix.service }}:${{ github.sha }}
            ${{ secrets.REGISTRY }}/${{ matrix.service }}:latest

  deploy:
    needs: build-and-push
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Deploy to K8s
        run: |
          kubectl set image deployment/user-service \
            user-service=${{ secrets.REGISTRY }}/user-service:${{ github.sha }}
          kubectl set image deployment/course-service \
            course-service=${{ secrets.REGISTRY }}/course-service:${{ github.sha }}
          kubectl rollout status deployment/user-service
          kubectl rollout status deployment/course-service

# k8s/monitoring.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: prometheus
spec:
  replicas: 1
  selector:
    matchLabels:
      app: prometheus
  template:
    metadata:
      labels:
        app: prometheus
    spec:
      containers:
        - name: prometheus
          image: prom/prometheus:latest
---

apiVersion: apps/v1
kind: Deployment
metadata:
  name: grafana
spec:
  replicas: 1
  selector:
    matchLabels:
      app: grafana
  template:
    metadata:
      labels:
        app: grafana
    spec:
      containers:
        - name: grafana
          image: grafana/grafana:latest