test fix github actions

.github/workflows/docker-image.yml

@@ -5,36 +5,29 @@ on:
     types: [published]
 
 jobs:
-  main:
+  push_to_registry:
+    name: Push Docker image to Docker Hub
     runs-on: ubuntu-latest
     steps:
-      # in the future we'll add an arm image for the raspberry
-      -
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-      -
-        name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
-      -
-        name: Login to DockerHub
-        uses: docker/login-action@v1 
+      - name: Check out the repo
+        uses: actions/checkout@v2
+
+      - name: Extract metadata for Docker
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: livingwithhippos/unchainedbotkotlin
+
+      - name: Log in to DockerHub
+        uses: docker/login-action@v1
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
-      -
-        name: Set variables
-        run: |
-            VER=$( grep -E '^version' build.gradle.kts | cut -d '"' -f 2 )
-            echo "CURRENT_VERSION=$VER" >> $GITHUB_ENV
-      -
-        name: Build and push
-        id: docker_build
+
+      - name: Build and push Docker image
         uses: docker/build-push-action@v2
         with:
+          context: .
           push: true
-          tags: |
-            livingwithhippos/unchainedbotkotlin:latest
-            livingwithhippos/unchainedbotkotlin:${{ env.CURRENT_VERSION }}
-      -
-        name: Image digest
-        run: echo ${{ steps.docker_build.outputs.digest }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}