CI 支持 tag 自动发布：按版本推镜像并创建 GitLab Release

# NoCost CI/CD：build → test → Docker 推送到 GitLab Container Registry

# NoCost CI/CD：build → test → Docker 推送 → tag 时自动发布 Release

stages:

  - build

  - test

  - docker

  - release

variables:

  DOTNET_VERSION: "10.0"

  script:

    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" "$CI_REGISTRY"

    - docker build -f src/NoCost/Dockerfile -t "$CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA" .

    - docker tag "$CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA" "$CI_REGISTRY_IMAGE:latest"

    - |

      if [ -n "$CI_COMMIT_TAG" ]; then

        docker tag "$CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA" "$CI_REGISTRY_IMAGE:$CI_COMMIT_TAG"

      else

        docker tag "$CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA" "$CI_REGISTRY_IMAGE:latest"

      fi

    - docker push "$CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA"

    - docker push "$CI_REGISTRY_IMAGE:latest"

    - |

      if [ -n "$CI_COMMIT_TAG" ]; then

        docker push "$CI_REGISTRY_IMAGE:$CI_COMMIT_TAG"

      else

        docker push "$CI_REGISTRY_IMAGE:latest"

      fi

  rules:

    - if: '$CI_COMMIT_BRANCH == "master"'

    - if: '$CI_COMMIT_TAG'

release:

  stage: release

  image: registry.gitlab.com/gitlab-org/release-cli:latest

  script:

    - release-cli create --name "NoCost $CI_COMMIT_TAG" --tag-name "$CI_COMMIT_TAG" --ref "$CI_COMMIT_SHA" --description "NoCost $CI_COMMIT_TAG 自动发布。Docker 镜像：$CI_REGISTRY_IMAGE:$CI_COMMIT_TAG"

  rules:

    - if: '$CI_COMMIT_TAG'