build docker image on push to main

.github/workflows/docker-hub-build-push-on-push.yml

@@ -0,0 +1,63 @@
+name: Build docker image and push to docker hub on release
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+  PLATFORMS: "linux/amd64,linux/386,linux/arm64,linux/arm/v7,linux/arm/v6,linux/s390x"
+  
+jobs:
+  build_and_push:
+    name: Build and push Docker image
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        
+      - name: Extract tag string
+        id: git
+        shell: bash
+        run: |
+          RELEASE_VERSION="dev-$(date +%s)"
+          echo "::set-output name=image_tag::${RELEASE_VERSION}"
+          echo "Action image_tag=${RELEASE_VERSION}"
+      
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+        
+      - name: Install buildx
+        uses: docker/setup-buildx-action@v2.1.0
+        
+      - name: Login to docker hub
+        uses: docker/login-action@v2.1.0
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2.1.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ github.token }}
+        
+      - name: Build and push ${{ github.repository }}:${{ steps.git.outputs.image_tag }}
+        uses: docker/build-push-action@v3.2.0
+        with:
+          platforms: ${{ env.PLATFORMS }}
+          push: true
+          tags: |
+            ${{ github.repository }}:${{ steps.git.outputs.image_tag }}
+            ${{ github.repository }}:develop
+            ghcr.io/${{ github.repository }}:${{ steps.git.outputs.image_tag }}
+            ghcr.io/${{ github.repository }}:develop
+
+      - name: Update dockerhub description
+        uses: peter-evans/dockerhub-description@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+          repository: ${{ github.repository }}
+          short-description: ${{ github.event.repository.description }}