Fix: Update workflow to match working pattern with catthehacker/ubuntu container

.gitea/workflows/docker-build.yml

@@ -1,31 +1,30 @@
-name: Build and Push Docker Image
+name: Build and Push Plex MCP Docker Image
 
 on:
   push:
     branches:
       - main
-    tags:
-      - 'v*'
+      - master
 
 jobs:
   build:
     runs-on: docker
+    container:
+      image: catthehacker/ubuntu:act-latest
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
+      - name: Checkout
+        uses: actions/checkout@v3
 
-      - name: Extract tag
-        id: extract
-        run: |
-          if [[ "${{ github.ref }}" == "refs/heads/main" ]]; then
-            echo "tag=latest" >> $GITHUB_OUTPUT
-          elif [[ "${{ github.ref }}" == refs/tags/* ]]; then
-            TAG=${GITHUB_REF#refs/tags/}
-            echo "tag=${TAG}" >> $GITHUB_OUTPUT
-          fi
+      - name: Login to Gitea Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: gitea.ext.ben.io
+          username: ${{ gitea.actor }}
+          password: ${{ secrets.CR_PAT }}
 
-      - name: Build and Push Docker Image
-        run: |
-          docker build -t git.local.ben.io/b3nw/plex-mcp:${{ steps.extract.outputs.tag }} .
-          docker login -u ${{ secrets.REGISTRY_USERNAME }} -p ${{ secrets.REGISTRY_PASSWORD }} git.local.ben.io
-          docker push git.local.ben.io/b3nw/plex-mcp:${{ steps.extract.outputs.tag }}
+      - name: Build and Push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          tags: gitea.ext.ben.io/${{ gitea.repository }}:latest