Fix CI workflow to use Gitea registry and secrets pattern

.gitea/workflows/build.yml

@@ -4,43 +4,27 @@ on:
   push:
     branches:
       - main
+      - master
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: docker
     container:
       image: catthehacker/ubuntu:act-latest
-
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+      - name: Checkout
+        uses: actions/checkout@v3
 
       - name: Login to Gitea Container Registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@v2
         with:
-          registry: git.nixc.us
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
+          registry: gitea.ext.ben.io
+          username: ${{ gitea.actor }}
+          password: ${{ secrets.CR_PAT }}
 
-      - name: Extract metadata
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: git.nixc.us/${{ github.repository }}
-          tags: |
-            type=ref,event=branch
-            type=sha,prefix=
-            type=raw,value=latest,enable={{is_default_branch}}
-
-      - name: Build and push
-        uses: docker/build-push-action@v5
+      - name: Build and Push
+        uses: docker/build-push-action@v4
         with:
           context: .
           push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
+          tags: gitea.ext.ben.io/${{ gitea.repository }}:latest