Example docker CE deployment setup

docker-compose.yml

version: "3.3"

services:

  gitlab:
    image: 'gitlab/gitlab-ce:9.5.2-ce.0'
    restart: always
    hostname: 'git.example.com'
    links:
      - postgresql:postgresql
      - redis:redis
    environment:
      GITLAB_OMNIBUS_CONFIG: |
        postgresql['enable'] = false
        gitlab_rails['db_username'] = "gitlab_user"
        gitlab_rails['db_password'] = "s3cr3t"
        gitlab_rails['db_host'] = "postgresql"
        gitlab_rails['db_port'] = "5432"
        gitlab_rails['db_database'] = "gitlab_prod"
        gitlab_rails['db_adapter'] = 'postgresql'
        gitlab_rails['db_encoding'] = 'utf8'
        redis['enable'] = false
        gitlab_rails['redis_host'] = 'redis'
        gitlab_rails['redis_port'] = '6379'
        external_url 'http://git.example.com:9090'
        gitlab_rails['gitlab_shell_ssh_port'] = 2224
        gitlab_monitor['enable'] = false
        prometheus['enable'] = false
    ports:
      # both ports must match the port from external_url above
      - "9090:9090"
      # the mapped port must match ssh_port specified above.
      - "2224:22"
    volumes:
      - gitlab_config:/etc/gitlab:rw
      - gitlab_logs:/var/log/gitlab:rw
      - gitlab_data:/var/opt/gitlab:rw

  postgresql:
    restart: always
    image: postgres:9.6.2-alpine
    environment:
      - POSTGRES_USER=gitlab_user
      - POSTGRES_PASSWORD=s3cr3t
      - POSTGRES_DB=gitlab_prod
    volumes:
      - postgres_data:/var/lib/postgresql/data:rw

  redis:
    restart: always
    image: redis:3.0.7-alpine


volumes:
  gitlab_config:
  gitlab_logs:
  gitlab_data:
  postgres_data: