update docker build

Author: WolleTD

.github/workflows/dockerimage.yml

@@ -5,21 +5,29 @@ on:
     branches: [ master ]
   workflow_dispatch:
 
-env:
-  DOCKER_BUILDKIT: 1
-
 jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
       - name: Pull repository
         uses: actions/checkout@v4
-      - name: Build the image
-        run: docker build . --tag wolletd/wg-setup:latest
       - name: Login to Docker Hub
         uses: docker/login-action@v2
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
-      - name: Push the image
-        run: docker push wolletd/wg-setup:latest
+      - name: Login to ghcr.io
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and push the image
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          provenance: false
+          tags: |
+            docker.io/wolletd/wg-setup:latest
+            ghcr.io/wolletd/wg-setup:latest