docker-compose for gitlab and jenkins

docker-compose.yml

#
# Simple docker-compose file for Gitlab CE and a Jenkins master.
# This is for testing and builds are done on the jenkins master.
#

version: "2"

services:
  gitlab:
    image: "gitlab/gitlab-ce:8.15.2-ce.0"
    container_name: "gitlab"
    restart: "always"
    hostname: "gitlab"
    ports:
      - "8081:80"
    volumes:
      - "/opt/automation/gitlab/config:/etc/gitlab"
      - "/opt/automation/gitlab/logs:/var/log/gitlab"
      - "/opt/automation/gitlab/data:/var/opt/gitlab"
    environment:
      GITLAB_OMNIBUS_CONFIG: |
        external_url "http://gitlab"

  jenkins-master:
    image: "jenkins:2.19.4"
    container_name: "jenkins-master"
    restart: "always"
    ports:
      - "8080:8080"
      - "50000:50000"
    volumes:
      - "/opt/automation/jenkins-master:/var/jenkins_home"