replace docker stage with config from ci repo

.gitlab-ci.yml

@@ -32,35 +32,10 @@ build-application-binary:
       - rss2gotify-${GOOS}-${GOARCH}
 
 
-Docker:
-  # Use the official docker image.
-  image: gitlab.jonasled.de/jonasled/buildx-docker:latest
-  stage: build
-  needs: []
-  services:
-    - docker:dind
-  before_script:
-    - docker context create build
-    - docker buildx create build --use
-    - docker run --privileged --rm tonistiigi/binfmt --install all
-    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
-    - apk add jq
-  # Default branch leaves tagempty (= latest tag)
-  # All other branches are tagged with the escaped branch name (commit ref slug)
-  script:
-    - |
-      if [[ "$CI_COMMIT_BRANCH" == "$CI_DEFAULT_BRANCH" ]]; then
-        tag="latest"
-      else
-        tag="$CI_COMMIT_REF_SLUG"
-      fi
-    - docker buildx build --platform linux/arm64,linux/amd64 --push --provenance false --tag "$CI_REGISTRY_IMAGE:${tag}" .
-    - export IMAGE_HASH=$(docker buildx imagetools inspect "$CI_REGISTRY_IMAGE:${tag}" --format "{{json .Manifest}}" | jq .digest)
-    - "echo \"Image Hash: $IMAGE_HASH\""
-    - echo "$IMAGE_HASH" >> image-hash.txt
-  artifacts:
-      paths:
-          - image-hash.txt
+include:
+- project: 'infra/ci'
+  file: '/pipelines/docker.yml'
+
 
 Helm:
   stage: bundle