Docker healthcheck added, CI updated, docker image build optimized (#10)

.github/workflows/release.yml

@@ -12,6 +12,11 @@ jobs:
       - name: Check out code
         uses: actions/checkout@v2
 
+      - uses: gacts/github-slug@v1
+        id: slug
+
+      - uses: docker/setup-buildx-action@v1
+
       - name: Login to default Container Registry
         uses: docker/login-action@v1 # Action page: <https://github.com/docker/login-action>
         with:
@@ -25,21 +30,13 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GHCR_PASSWORD }}
 
-      - name: Generate image tag value
-        id: tag
-        run: echo "::set-output name=value::`echo ${GITHUB_REF##*/} | sed -e 's/^[vV ]*//'`" # `/refs/tags/v1.2.3` -> `1.2.3`
-
-      - name: Build image
-        run: |
-          docker build \
-            --tag "tarampampam/3proxy:${{ steps.tag.outputs.value }}" \
-            --tag "tarampampam/3proxy:latest" \
-            --tag "ghcr.io/${{ github.actor }}/3proxy:${{ steps.tag.outputs.value }}" \
-            --tag "ghcr.io/${{ github.actor }}/3proxy:latest" \
-            -f ./Dockerfile .
-
-      - name: Push into default registry
-        run: docker push "tarampampam/3proxy:${{ steps.tag.outputs.value }}" && docker push "tarampampam/3proxy:latest"
-
-      - name: Push into ghcr.io
-        run: docker push "ghcr.io/tarampampam/3proxy:${{ steps.tag.outputs.value }}" && docker push "ghcr.io/tarampampam/3proxy:latest"
+      - uses: docker/build-push-action@v2 # Action page: <https://github.com/docker/build-push-action>
+        with:
+          context: .
+          file: Dockerfile
+          push: true
+          tags: |
+            tarampampam/3proxy:${{ steps.slug.outputs.version-semantic }}
+            tarampampam/3proxy:latest
+            ghcr.io/${{ github.actor }}/${{ github.event.repository.name }}:${{ steps.slug.outputs.version-semantic }}
+            ghcr.io/${{ github.actor }}/${{ github.event.repository.name }}:latest