trigger ci/cd

.gitea/workflows/build_and_push.yml

@@ -13,12 +13,12 @@ jobs:
     - name: Check out the repo
       uses: actions/checkout@v2
 
-    - name: Log in to GitHub Container Registry
+    - name: Log in to STuVe Gitea Container Registry
       uses: docker/login-action@v1
       with:
         registry: git.stuve.uni-ulm.de
-        username: ${{ user_name }}
-        password: ${{ user_password }}
+        username: ${{ USER_NAME }}
+        password: ${{ USER_PASSWORD }}
 
     - name: Build and push Docker image
       uses: docker/build-push-action@v2