docker-compose 之 gitlab 12.2.1

先创建gitlab目录 /opt/CICD/gitlab，然后准备ssl证书。
docker-compose.yml 文件内容如下：

version: '3'
services:
  gitlab:
    container_name: gitlab
    image: gitlab/gitlab-ce:latest
    restart: always
    environment:
      GITLAB_OMNIBUS_CONFIG: |
        external_url 'http://192.168.1.111:8082'
        unicorn['worker_timeout'] = 60
        unicorn['worker_processes'] = 2
        gitlab_rails['smtp_enable'] = true
        gitlab_rails['smtp_address'] = "smtpdm.aliyun.com"
        gitlab_rails['smtp_port'] = 465
        gitlab_rails['smtp_user_name'] = "[e-mail]"
        gitlab_rails['smtp_password'] = "xxxxxxxxxxx"
        gitlab_rails['smtp_domain'] = "smtpdm.aliyun.com"
        gitlab_rails['smtp_authentication'] = "login"
        gitlab_rails['smtp_enable_starttls_auto'] = true
        gitlab_rails['smtp_tls'] = true
        gitlab_rails['gitlab_email_enabled'] = true
        gitlab_rails['gitlab_email_from'] = '[e-mail]'
        gitlab_rails['gitlab_email_display_name'] = '[e-mail]'
        gitlab_rails['gitlab_shell_ssh_port'] = 8022
        user['git_user_email'] = "[e-mail]"
        nginx['enable'] = true
        nginx['listen_port'] = 80
        nginx['client_max_body_size'] = '250m'
        nginx['redirect_http_to_https'] = true
        nginx['ssl_certificate'] = "/etc/gitlab/ssl/gitlab.crt"
        nginx['ssl_certificate_key'] = "/etc/gitlab/ssl/gitlab.key"
        nginx['ssl_ciphers'] = "ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256"
        nginx['ssl_prefer_server_ciphers'] = "on"
        nginx['ssl_protocols'] = "TLSv1.1 TLSv1.2"
        nginx['ssl_session_cache'] = "builtin:1000  shared:SSL:10m"
        nginx['listen_addresses'] = ["0.0.0.0"]
        nginx['http2_enabled'] = true
    ports:
      - "8082:80"
      - "8443:443"
      - "8022:8022"
    volumes:
      - "/opt/CICD/gitlab/config:/etc/gitlab"
      - "/opt/CICD/gitlab/logs:/var/log/gitlab"
      - "/opt/CICD/gitlab/data:/var/opt/gitlab"
  gitlab-runner:
    image: gitlab/gitlab-runner:alpine

networks:
  shanhy-ci:
    driver: bridge

external_url 建议使用域名，避免后续不必要的麻烦。

官方参考资料：https://docs.gitlab.com/ee/install/docker.html#install-gitlab-using-docker-compose

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