Change runs-on, use action to build docker image.

.gitea/workflows/build_develop.yml

@@ -5,12 +5,16 @@ on:
     branches: [develop]
 
 jobs:
-  build_develop:
+  build:
-    runs-on: docker:dind
+    runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout Code
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - run: git fetch --force --tags
+      - name: Build and push to viker registry
-      - run: docker build -t viker.cheezers.net:5000/agon:develop .
+        uses: docker/build-push-action@v4
-      - run: docker push viker.cheezers.net:5000/agon:develop
+        with:
+          context: .
+          push: true
+          tags: viker.cheezers.net:5000/agon:develop