Update build.yml

.github/workflows/build.yml

@@ -10,22 +10,37 @@ on:
   workflow_dispatch:
     inputs:
 
+env:
+  IMAGE_NAME: ehforwarderbot-docker
+
 jobs:
   build:
     name: build
     runs-on: ubuntu-latest
-    timeout-minutes: 5
-
-    steps:
-
-    - name: Checkout
-      uses: actions/checkout@v2
-
-    - name: build and push image
-      uses: docker/build-push-action@v1
+    timeout-minutes: 10
 
+    steps:
+    - name: Get the version
+      id: prep
+      run: echo ::set-output name=VERSION::${GITHUB_REF#refs/tags/}
+
+    - 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 
       with:
         username: ${{ secrets.DOCKER_USERNAME }}
         password: ${{ secrets.DOCKER_PASSWORD }}
-        repository: artxia/ehforwarderbot-docker
-        tags: latest
+
+    - name: Build and push
+      id: docker_build
+      uses: docker/build-push-action@v2
+      with:
+        push: ${{ startsWith(github.ref, 'refs/tags/') }}
+        tags: |
+            ${{ secrets.DOCKER_USERNAME }}/${{ env.IMAGE_NAME }}:latest
+            ${{ secrets.DOCKER_USERNAME }}/${{ env.IMAGE_NAME }}:${{ steps.prep.outputs.VERSION }}