Merge branch 'feature/auto-merge-production-to-dev' into 'dev'

Add sync job to GitLab CI for branch synchronization

See merge request rheinsw/website!2

.gitlab-ci.yml

@@ -11,6 +11,7 @@ stages:
   - build
   - docker
   - deploy
+  - sync
 
 cache:
   key: ${CI_COMMIT_REF_SLUG}
@@ -94,3 +95,21 @@ deploy:
   only:
     - dev
     - production
+
+# ------------------ New sync job added below ------------------
+
+sync_branches:
+  stage: sync
+  image: alpine/git:latest
+  rules:
+    - if: '$CI_COMMIT_BRANCH == "production"'
+  script:
+    - |
+      git config --global user.email "gitlab-ci@rheinsw.com"
+      git config --global user.name "RheinSW GitLab CI"
+      git remote set-url origin "https://oauth2:${CI_JOB_TOKEN}@${CI_SERVER_HOST}/${CI_PROJECT_PATH}.git"
+
+      git checkout dev
+      git pull origin dev
+      git merge --no-ff origin/production
+      git push origin dev