docker-compose.yml

services:
  gitlab:
    image: gitlab/gitlab-ce:latest
    container_name: gitlab
    hostname: localhost
    restart: always
    ports:
      - "80:80"
      - "443:443"
      - "2222:22"
    volumes:
      - gitlab-config:/etc/gitlab
      - gitlab-logs:/var/log/gitlab
      - gitlab-data:/var/opt/gitlab
    environment:
      GITLAB_ROOT_PASSWORD: 'StrongPassword123'
      GITLAB_OMNIBUS_CONFIG: |
        external_url 'http://localhost'
        gitlab_rails['gitlab_shell_ssh_port'] = 2222
        
        # Database settings
        postgresql['shared_buffers'] = "256MB"
        postgresql['max_connections'] = 100
        
        # Disable unnecessary services
        prometheus_monitoring['enable'] = false
        registry['enable'] = false
        pages_enabled = false
        gitlab_kas['enable'] = false
        
        # Process limits
        puma['worker_processes'] = 2
        sidekiq['concurrency'] = 2
        
        # Email configuration
        gitlab_rails['gitlab_email_enabled'] = false
        
        # Store root password for first login
        gitlab_rails['store_initial_root_password'] = true
    shm_size: '256m'
    healthcheck:
      test: ["CMD", "/opt/gitlab/bin/gitlab-healthcheck", "--fail", "--max-time", "10"]
      interval: 60s
      timeout: 10s
      retries: 3
      start_period: 120s

# Note: GitLab takes several minutes to fully initialize.
# The root user credentials will be:
#   - username: root
#   - password: StrongPassword123!

volumes:
  gitlab-config:
  gitlab-logs:
  gitlab-data: