ci: add find next semver tag and use to to create gitlab release and tag too

.gitlab-ci.yml

@@ -3,12 +3,18 @@ default:
 
 stages:
   - build
+  - pre-release
+  - release
 
 build:
   stage: build
   variables:
     IMAGE: $CI_REGISTRY_IMAGE
     TAG: $CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA
+  rules:
+    - if: $CI_COMMIT_TAG
+      variables:
+        TAG: $CI_COMMIT_TAG
   before_script:
     - echo $CI_REGISTRY_PASSWORD | docker login -u $CI_REGISTRY_USER --password-stdin $CI_REGISTRY
     - docker info
@@ -16,3 +22,37 @@ build:
     - docker buildx create --name yggdrasil --use
     - docker buildx build --provenance=false --platform linux/amd64,linux/arm64 -t $IMAGE:$TAG --push .
     - docker manifest inspect $IMAGE:$TAG
+
+semver-tag:
+  stage: pre-release
+  image: ghcr.io/vojtechmares/container-images/release-tools:latest
+  rules:
+    - if: $CI_COMMIT_TAG
+      when: never
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+  variables:
+    # Disable shallow cloning so that svu can diff between tags
+    GIT_DEPTH: 0
+  script:
+    - echo "TAG=$(svu next)" >> release.env
+  artifacts:
+    reports:
+      dotenv: release.env
+
+release:
+  stage: release
+  image: registry.gitlab.com/gitlab-org/release-cli:latest
+  needs:
+    - job: prepare_job
+      artifacts: true
+  rules:
+    - if: $CI_COMMIT_TAG
+      when: never
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+  script:
+    - echo "Creating release for $TAG"
+  release:
+    name: 'Release $TAG'
+    description: 'Created using the release-cli'
+    tag_name: '$TAG'
+    ref: '$CI_COMMIT_SHA'