docker-compose.yml

services:       
  nginx:
    image: eldoranstars/nginx_centos
    container_name: nginx
    ports:
      - 8080:80
    networks:
      frontend:
          ipv4_address: 172.26.0.10
      backend:
          ipv4_address: 172.25.0.10
    volumes:
      - ./volume_nginx:/etc/nginx/conf.d
    depends_on:
      - nexus
      - jenkins
      - tomcat

  nexus:
    image: eldoranstars/nexus
    mem_limit: 2g
    cpus: 0.45
    container_name: nexus
    ports:
      - 8081:8081
    networks:
      - backend
    volumes:
      - ./volume_nexus:/nexus-data
    environment:
      - NEXUS_CONTEXT=nexus

  jenkins:
    image: eldoranstars/jenkins
    mem_limit: 500m
    cpus: 0.75
    container_name: jenkins
    ports:
      - 8082:8080
    networks:
      - backend
    volumes:
      - ./volume_jenkins:/var/jenkins_home
    environment:
      - JENKINS_OPTS="--prefix=/jenkins"

  tomcat:
    image: eldoranstars/tomcat
    container_name: tomcat
    ports:
      - 8084:8080
    networks:
      - backend

#volumes:
#  volume_nginx: {}
#  volume_jenkins: {}
#  volume_nexus: {}

networks:
  frontend:
    driver: bridge
    ipam:
      config:
        - subnet: 172.26.0.0/16
          gateway: 172.26.0.1
  backend:
    driver: bridge
    ipam:
      config:
        - subnet: 172.25.0.0/16
          gateway: 172.25.0.1