Sample docker compose for SaaS

docker-compose.yml

version: '3.4'

services:
  rabbitmq:
    image: rabbitmq:3-management
    ports:
      - "15672:15672"
      - "5672:5672"
    deploy:
      replicas: 1
      placement:
        constraints: [node.role == manager]

  microservice:
    image: nameko-microservice
    restart: always
    deploy:
      replicas: 1
    depends_on:
      - rabbitmq
      - logstash

  db:
    image: mariadb:10.3
    volumes:
      - ./mysqldb_data:/var/lib/mysql
    ports:
      - "3306:3306"
    deploy:
      replicas: 1
      placement:
        constraints: [node.role == manager]
      resources:
        reservations:
          memory: 128M
        limits:
          memory: 256M
  restapi:
    image: restapi
    restart: always
    ports:
      - "8000:8000"
    deploy:
      mode: global

    depends_on:
      - db
      - microservice
      - logstash

  nginx:
    image: ui
    restart: always
    ports:
      - "80:80"
    deploy:
      replicas: 1

    depends_on:
      - restapi

  elasticsearch:
    image: elasticsearch:2
    command: elasticsearch -Des.network.host=0.0.0.0
    ports:
      - "9200:9200"
      - "9300:9300"

  kibana:
    image: kibana:latest
    build: kibana/
    volumes:
      - ./kibana/config/:/opt/kibana/config/
    ports:
      - "5601:5601"
    depends_on:
      - elasticsearch

  logstash:
    build: logstash/
    command: logstash -f /etc/logstash/conf.d/logstash.conf
    image: logstash:latest
    volumes:
      - ./logstash/config:/etc/logstash/conf.d
    ports:
      - "5000:5000"
    depends_on:
      - elasticsearch