Add CI/CD pipeline for Docker build & push

.gitea/workflows/docker-build.yml

@@ -10,16 +10,8 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Login to Gitea Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: git.kgessner.de
-          username: ${{ gitea.actor }}
-          password: ${{ secrets.GITEATOKEN }}
-
-      - name: Build and push
-        uses: docker/build-push-action@v5
-        with:
-          context: .
-          push: true
-          tags: git.kgessner.de/luiicode/test-image:latest
+      - name: Build & Push to Gitea Registry
+        run: |
+          echo "${{ secrets.GITEATOKEN }}" | docker login git.kgessner.de --username LuiiCode --password-stdin
+          docker build -t git.kgessner.de/LuiiCode/test-repo:latest .
+          docker push git.kgessner.de/LuiiCode/test-repo:latest