docker-stack.yml

version: '3.3'

volumes:
  minitwit_db: {}
  grafana_data: {}
  elk_elasticsearch_data:

services:

  visualizer:
    image: dockersamples/visualizer:stable
    ports:
      - "8888:8080"
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock"
    deploy:
      placement:
        constraints: [node.role == manager]

  db:
    image: antonfolkmann/minitwitdb:latest
    restart: always
    environment:
      POSTGRES_USER: postgres
      POSTGRES_DB: minitwit
    env_file:
      - .env
    volumes:
      - minitwit_db:/var/lib/postgresql/data
    deploy:
      replicas: 1

  web:
    image: toffernator/minitwit:latest
    depends_on:
      - db
      - grafana
      - prometheus
    environment:
      POSTGRES_USER: postgres
      POSTGRES_DB: minitwit 
    env_file:
      - .env
    ports:
      - 8080:8080
      - 8081:8081
    deploy:
      replicas: 10

  prometheus:
    image: prom/prometheus
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml
    ports:
      - "9090:9090"
    deploy:
      placement:
        constraints: [node.role == manager]

  grafana:
    image: grafana/grafana:4.5.2
    volumes:
      - grafana_data:/var/lib/grafana
    ports:
      - "3000:3000"  
    deploy:
      placement:
        constraints: [node.role == manager]

  elasticsearch:
   image: "docker.elastic.co/elasticsearch/elasticsearch:7.2.0"
   environment:
     - "ES_JAVA_OPTS=-Xms1g -Xmx1g"
     - "discovery.type=single-node"
   volumes:
     - elk_elasticsearch_data:/usr/share/elasticsearch/data
   ports:
     - 9200:9200
   deploy:
     placement:
       constraints: [node.role == manager]
     resources:
       reservations:
         memory: 1g
     replicas: 1

  kibana:
    image: "docker.elastic.co/kibana/kibana:7.2.0"
    environment:
      elasticsearch.hosts: '["http://minitwit_elasticsearch:9200"]'
    ports:
      - "5601:5601"
    deploy:
      placement:
        constraints: [node.role == manager]
      replicas: 1

  filebeat:
    image: "docker.elastic.co/beats/filebeat:7.2.0"
    user: root
    volumes:
      - /root/filebeat.yml:/usr/share/filebeat/filebeat.yml:ro
      - /var/lib/docker:/var/lib/docker:ro
      - /var/run/docker.sock:/var/run/docker.sock
    deploy:
      mode: global