try docker build

.gitea/workflows/ci.yml

@@ -41,23 +41,24 @@ jobs:
   build-docker-image:
     runs-on: ubuntu-latest
     steps:
-      - name: Update package list
-        run: sudo apt-get update
-
-      - name: Setup Podman
-        run: sudo apt-get -y install podman
-
-      - name: verify Podman installation
-        run: podman -v
-
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Login to Docker registry
-        run: podman login --tls-verify=false gitea:3000 --username ${{ github.actor }} --password ${{ secrets.REGISTRY_ACCESS_TOKEN }}
+      - name: Set up Docker Build
+        uses: docker/setup-buildx-action@v3
 
-      - name: Build image
-        run: podman build .
+      - name: Log in to registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ vars.INSTANCE_URL }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.REGISTRY_ACCESS_TOKEN }}
+
+      - name: Build and push image
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          tags: ${{ vars.INSTANCE_URL }}/tech-reborn/phoenix:${{ github.sha }}
 
   # type-check:
   #   runs-on: ubuntu-latest