docker-compose.swarm.yml

version: '3.4'
services:
  redis:
    image: redis:6.2.6
    command:
    - --loglevel warning
    volumes:
    - redis-data:/var/lib/redis:Z
    deploy:
      placement:
        constraints:
          - node.labels.gitlab.redis-data == true

  postgresql:
    image: sameersbn/postgresql:12-20200524
    volumes:
    - postgresql-data:/var/lib/postgresql:Z
    environment:
    - DB_USER=gitlab
    - DB_PASS=password
    - DB_NAME=gitlabhq_production
    - DB_EXTENSION=pg_trgm,btree_gist
    deploy:
      placement:
        constraints:
          - node.labels.gitlab.postgresql-data == true

  registry:
    image: registry:2
    depends_on:
      - gitlab
    volumes:
      - registry-data:/registry
      - certs-data:/certs
    environment:
      - REGISTRY_LOG_LEVEL=info
      - REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY=/registry
      - REGISTRY_AUTH_TOKEN_REALM=https://${GITLAB_HOST?Variable not set}/jwt/auth
      - REGISTRY_AUTH_TOKEN_SERVICE=container_registry
      - REGISTRY_AUTH_TOKEN_ISSUER=gitlab-issuer
      - REGISTRY_AUTH_TOKEN_ROOTCERTBUNDLE=/certs/registry.crt
      - REGISTRY_STORAGE_DELETE_ENABLED=true
    deploy:
      placement:
        constraints:
          - node.labels.gitlab.certs-data == true
      labels:
        - traefik.enable=true
        - traefik.docker.network=traefik-public
        - traefik.constraint-label=traefik-public
        - traefik.http.routers.gitlab-registry-http.rule=Host(`${REGISTRY_HOST?Variable not set}`)
        - traefik.http.routers.gitlab-registry-http.entrypoints=http
        - traefik.http.routers.gitlab-registry-http.middlewares=https-redirect
        - traefik.http.routers.gitlab-registry-https.rule=Host(`${REGISTRY_HOST?Variable not set}`)
        - traefik.http.routers.gitlab-registry-https.entrypoints=https
        - traefik.http.routers.gitlab-registry-https.tls=true
        - traefik.http.routers.gitlab-registry-https.tls.certresolver=le
        - traefik.http.services.gitlab-registry.loadbalancer.server.port=5000
    networks:
      # To communicate with other services in this stack
      - default
      # To be available for the public Traefik
      - traefik-public

  gitlab:
    image: sameersbn/gitlab:15.6.2
    depends_on:
    - redis
    - postgresql
    ports:
      # Listen on port 22, default for SSH and Git in host mode (only in its host)
      # So other nodes in the cluster can keep listening on port 22
      - target: 22
        published: 22
        mode: host
    volumes:
    - gitlab-data:/home/git/data:Z
    - certs-data:/certs
    # healthcheck:
    #   test: ["CMD", "/usr/local/sbin/healthcheck"]
    #   interval: 5m
    #   timeout: 10s
    #   retries: 3
    #   start_period: 5m
    networks:
      # To communicate with other services in this stack
      - default
      # To be available for the public Traefik
      - traefik-public
    environment:
    - DEBUG=false

    - GITLAB_REGISTRY_ENABLED=true
    - GITLAB_REGISTRY_HOST=${REGISTRY_HOST?Variable not set}
    - GITLAB_REGISTRY_PORT=443
    - GITLAB_REGISTRY_API_URL=http://registry:5000
    - GITLAB_REGISTRY_KEY_PATH=/certs/registry.key
    - GITLAB_REGISTRY_ISSUER=gitlab-issuer
    - GITLAB_REGISTRY_GENERATE_INTERNAL_CERTIFICATES=true

    - GITLAB_SIGNUP_ENABLED=false

    - DB_ADAPTER=postgresql
    - DB_HOST=postgresql
    - DB_PORT=5432
    - DB_USER=gitlab
    - DB_PASS=password
    - DB_NAME=gitlabhq_production

    - REDIS_HOST=redis
    - REDIS_PORT=6379

    - TZ=Asia/Kolkata
    - GITLAB_TIMEZONE=Kolkata

    - GITLAB_HTTPS=true
    - SSL_SELF_SIGNED=false

    - GITLAB_HOST=${GITLAB_HOST?Variable not set}
    - GITLAB_PORT=443
    - GITLAB_SSH_PORT=22
    - GITLAB_RELATIVE_URL_ROOT=
    - GITLAB_SECRETS_DB_KEY_BASE=long-and-random-alphanumeric-string
    - GITLAB_SECRETS_SECRET_KEY_BASE=long-and-random-alphanumeric-string
    - GITLAB_SECRETS_OTP_KEY_BASE=long-and-random-alphanumeric-string

    - GITLAB_ROOT_PASSWORD=
    - GITLAB_ROOT_EMAIL=

    - GITLAB_NOTIFY_ON_BROKEN_BUILDS=true
    - GITLAB_NOTIFY_PUSHER=false

    - GITLAB_EMAIL=notifications@example.com
    - GITLAB_EMAIL_REPLY_TO=noreply@example.com
    - GITLAB_INCOMING_EMAIL_ADDRESS=reply@example.com

    - GITLAB_BACKUP_SCHEDULE=daily
    - GITLAB_BACKUP_TIME=01:00

    - SMTP_ENABLED=false
    - SMTP_DOMAIN=www.example.com
    - SMTP_HOST=smtp.gmail.com
    - SMTP_PORT=587
    - SMTP_USER=mailer@example.com
    - SMTP_PASS=password
    - SMTP_STARTTLS=true
    - SMTP_AUTHENTICATION=login

    - IMAP_ENABLED=false
    - IMAP_HOST=imap.gmail.com
    - IMAP_PORT=993
    - IMAP_USER=mailer@example.com
    - IMAP_PASS=password
    - IMAP_SSL=true
    - IMAP_STARTTLS=false

    - OAUTH_ENABLED=false
    - OAUTH_AUTO_SIGN_IN_WITH_PROVIDER=
    - OAUTH_ALLOW_SSO=
    - OAUTH_BLOCK_AUTO_CREATED_USERS=true
    - OAUTH_AUTO_LINK_LDAP_USER=false
    - OAUTH_AUTO_LINK_SAML_USER=false
    - OAUTH_EXTERNAL_PROVIDERS=

    - OAUTH_CAS3_LABEL=cas3
    - OAUTH_CAS3_SERVER=
    - OAUTH_CAS3_DISABLE_SSL_VERIFICATION=false
    - OAUTH_CAS3_LOGIN_URL=/cas/login
    - OAUTH_CAS3_VALIDATE_URL=/cas/p3/serviceValidate
    - OAUTH_CAS3_LOGOUT_URL=/cas/logout

    - OAUTH_GOOGLE_API_KEY=
    - OAUTH_GOOGLE_APP_SECRET=
    - OAUTH_GOOGLE_RESTRICT_DOMAIN=

    - OAUTH_FACEBOOK_API_KEY=
    - OAUTH_FACEBOOK_APP_SECRET=

    - OAUTH_TWITTER_API_KEY=
    - OAUTH_TWITTER_APP_SECRET=

    - OAUTH_GITHUB_API_KEY=
    - OAUTH_GITHUB_APP_SECRET=
    - OAUTH_GITHUB_URL=
    - OAUTH_GITHUB_VERIFY_SSL=

    - OAUTH_GITLAB_API_KEY=
    - OAUTH_GITLAB_APP_SECRET=

    - OAUTH_BITBUCKET_API_KEY=
    - OAUTH_BITBUCKET_APP_SECRET=
    - OAUTH_BITBUCKET_URL=

    - OAUTH_SAML_ASSERTION_CONSUMER_SERVICE_URL=
    - OAUTH_SAML_IDP_CERT_FINGERPRINT=
    - OAUTH_SAML_IDP_SSO_TARGET_URL=
    - OAUTH_SAML_ISSUER=
    - OAUTH_SAML_LABEL="Our SAML Provider"
    - OAUTH_SAML_NAME_IDENTIFIER_FORMAT=urn:oasis:names:tc:SAML:2.0:nameid-format:transient
    - OAUTH_SAML_GROUPS_ATTRIBUTE=
    - OAUTH_SAML_EXTERNAL_GROUPS=
    - OAUTH_SAML_ATTRIBUTE_STATEMENTS_EMAIL=
    - OAUTH_SAML_ATTRIBUTE_STATEMENTS_NAME=
    - OAUTH_SAML_ATTRIBUTE_STATEMENTS_USERNAME=
    - OAUTH_SAML_ATTRIBUTE_STATEMENTS_FIRST_NAME=
    - OAUTH_SAML_ATTRIBUTE_STATEMENTS_LAST_NAME=

    - OAUTH_CROWD_SERVER_URL=
    - OAUTH_CROWD_APP_NAME=
    - OAUTH_CROWD_APP_PASSWORD=

    - OAUTH_AUTH0_CLIENT_ID=
    - OAUTH_AUTH0_CLIENT_SECRET=
    - OAUTH_AUTH0_DOMAIN=
    - OAUTH_AUTH0_SCOPE=

    - OAUTH_AZURE_API_KEY=
    - OAUTH_AZURE_API_SECRET=
    - OAUTH_AZURE_TENANT_ID=

    - RACK_ATTACK_ENABLED=false
    deploy:
      placement:
        constraints:
          - node.labels.gitlab.certs-data == true
      labels:
        - traefik.enable=true
        - traefik.docker.network=traefik-public
        - traefik.constraint-label=traefik-public
        - traefik.http.routers.gitlab-gitlab-http.rule=Host(`${GITLAB_HOST?Variable not set}`)
        - traefik.http.routers.gitlab-gitlab-http.entrypoints=http
        - traefik.http.routers.gitlab-gitlab-http.middlewares=https-redirect
        - traefik.http.routers.gitlab-gitlab-https.rule=Host(`${GITLAB_HOST?Variable not set}`)
        - traefik.http.routers.gitlab-gitlab-https.entrypoints=https
        - traefik.http.routers.gitlab-gitlab-https.tls=true
        - traefik.http.routers.gitlab-gitlab-https.tls.certresolver=le
        - traefik.http.services.gitlab-gitlab.loadbalancer.server.port=80

volumes:
  redis-data:
  postgresql-data:
  gitlab-data:
  registry-data:
  certs-data:

networks:
  traefik-public:
    external: true