Docker-compose with gitlab and gitlab-runner services.

.env

GITLAB_IMAGE=gitlab/gitlab-ee:latest
GITLAB_RUNNER_IMAGE=gitlab/gitlab-runner:alpine
GITLAB_HOME=/srv/gitlab
GITLAB_HOST=localhost

#ports
HTTP_PORT=80
HTTPS_PORT=443
SSH_PORT=23
REGISTRY_PORT=5050

docker-compose.yml

# This docker compose will start two services,
# a gitlab instance and a gitlab-runner instance.
# .env file contains the environment variables with default values that the user should update
version: "3.5"
services:
  gitlab:
    image: "${GITLAB_IMAGE}"
    restart: always
    hostname: "${GITLAB_HOST}"
    environment:
      GITLAB_OMNIBUS_CONFIG: |
            external_url  'https://${GITLAB_HOST}'
            registry_external_url 'https://${GITLAB_HOST}:${REGISTRY_PORT}'
            gitlab_rails['gitlab_shell_ssh_port'] = 22
    ports:
      - "${HTTP_PORT}:80"
      - "${HTTPS_PORT}:443"
      - "${SSH_PORT}:22"
      - "${REGISTRY_PORT}:5050"
    volumes:
      - "${GITLAB_HOME}/config:/etc/gitlab"
      - "${GITLAB_HOME}/logs:/var/log/gitlab"
      - "${GITLAB_HOME}/data:/var/opt/gitlab"
    networks:
      - gitlab
  gitlab-runner:
    image: ${GITLAB_RUNNER_IMAGE}
    restart: unless-stopped
    depends_on:
      - gitlab
    volumes:
      - ${GITLAB_HOME}/gitlab-runner:/etc/gitlab-runner
      - ${GITLAB_HOME}/config/ssl:/certs
      - /var/run/docker.sock:/var/run/docker.sock
    networks:
      - gitlab
networks:
  gitlab: