Docker/stack.yml at main · msj6785/Docker · GitHub

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networks:
  fe-net:      { external: true }
  be-net:      { external: true }
  monitor-net: { external: true }

configs:
  nginx-fe.conf:
    file: ./proxy/nginx-fe.conf
  haproxy.cfg:
    file: ./haproxy/haproxy.cfg
  prometheus.yml:
    file: ./monitoring/prometheus.yml

volumes:
  prometheus-data: {}
  grafana-data: {}

services:
  # ───────── Manager (DB + 모니터링) ─────────
  mongodb:
    image: mongo:8.0
    networks: [be-net]
    deploy:
      placement:
        constraints: ["node.hostname == manager"]

  prometheus:
    image: prom/prometheus:latest
    ports: ["9090:9090"]
    networks: [monitor-net]
    configs:
      - source: prometheus.yml
        target: /etc/prometheus/prometheus.yml
        mode: 0444
    volumes:
      - prometheus-data:/prometheus
    command:
      - --config.file=/etc/prometheus/prometheus.yml
      - --storage.tsdb.path=/prometheus
      - --web.enable-lifecycle
    deploy:
      placement:
        constraints: ["node.hostname == manager"]

  grafana:
    image: grafana/grafana:latest
    ports: ["3001:3000"]
    environment:
      - GF_SECURITY_ADMIN_USER=admin
      - GF_SECURITY_ADMIN_PASSWORD=admin
    volumes:
      - grafana-data:/var/lib/grafana
    networks: [monitor-net]
    deploy:
      placement:
        constraints: ["node.hostname == manager"]

  cadvisor:
    image: gcr.io/cadvisor/cadvisor:latest
    privileged: true
    ports: ["8080:8080"]
    networks: [monitor-net]
    volumes:
      - /:/rootfs:ro
      - /var/run:/var/run:ro
      - /sys:/sys:ro
      - /var/lib/docker/:/var/lib/docker:ro
    deploy:
      placement:
        constraints: ["node.hostname == manager"]

  # ───────── 프록시/프론트: 이동 가능(둘 중 살아있는 워커로 자동 이동) ─────────
  proxy-fe:
    image: nginx:1.25-alpine
    ports: ["80:80"]  # ingress 모드(기본), 어느 워커에 떠도 접근 가능
    configs:
      - source: nginx-fe.conf
        target: /etc/nginx/nginx.conf
        mode: 0444
    networks: [fe-net]
    deploy:
      replicas: 1
      placement:
        constraints:
          - "node.role == worker"        # worker1/2 어디든 배치 허용 (← 핵심)
        preferences:
          - spread: "node.id"

  frontend-1:
    image: 192.168.0.208/demo/frontend:2.1
    environment:
      - PORT=8000
      - GUESTBOOK_API_ADDR=http://haproxy:9000
    networks: [fe-net]
    deploy:
      replicas: 1
      placement:
        constraints: ["node.role == worker"]
        preferences: [{ spread: "node.id" }]

  frontend-2:
    image: 192.168.0.208/demo/frontend:2.1
    environment:
      - PORT=8000
      - GUESTBOOK_API_ADDR=http://haproxy:9000
    networks: [fe-net]
    deploy:
      replicas: 1
      placement:
        constraints: ["node.role == worker"]
        preferences: [{ spread: "node.id" }]

  frontend-3:
    image: 192.168.0.208/demo/frontend:2.1
    environment:
      - PORT=8000
      - GUESTBOOK_API_ADDR=http://haproxy:9000
    networks: [fe-net]
    deploy:
      replicas: 1
      placement:
        constraints: ["node.role == worker"]
        preferences: [{ spread: "node.id" }]

  # ───────── Worker2 고정(그대로 유지): HAProxy + Backend×3 ─────────
  haproxy:
    image: haproxy:2.9-alpine
    ports: ["9000:9000", "9001:8404"]
    configs:
      - source: haproxy.cfg
        target: /usr/local/etc/haproxy/haproxy.cfg
        mode: 0444
    networks:
      fe-net: { aliases: ["haproxy"] }
      be-net: {}
    deploy:
      placement:
        constraints: ["node.hostname == worker2"]

  backend-1:
    image: 192.168.0.208/demo/backend:2.0
    environment: [ "PORT=8000", "GUESTBOOK_DB_ADDR=mongodb:27017" ]
    networks: [be-net]
    deploy:
      replicas: 1
      placement:
        constraints: ["node.hostname == worker2"]

  backend-2:
    image: 192.168.0.208/demo/backend:2.0
    environment: [ "PORT=8000", "GUESTBOOK_DB_ADDR=mongodb:27017" ]
    networks: [be-net]
    deploy:
      replicas: 1
      placement:
        constraints: ["node.hostname == worker2"]

  backend-3:
    image: 192.168.0.208/demo/backend:2.0
    environment: [ "PORT=8000", "GUESTBOOK_DB_ADDR=mongodb:27017" ]
    networks: [be-net]
    deploy:
      replicas: 1
      placement:
        constraints: ["node.hostname == worker2"]