add github buildx

Author: WindoC

.github/workflows/buildx.yml renamed to .github/workflows/buildx_dockerhub.yml

@@ -1,4 +1,4 @@
-name: buildx
+name: buildx_dockerhub
 
 on:
   create:
@@ -30,13 +30,9 @@ jobs:
             TAGS="$TAGS --tag ${DOCKER_IMAGE}:latest"
           fi
 
-          echo ::set-output name=docker_image::${DOCKER_IMAGE}
-          echo ::set-output name=version::${VERSION}
-          echo ::set-output name=buildx_args::--platform ${DOCKER_PLATFORMS} \
-            --build-arg VERSION=${VERSION} \
-            --build-arg BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ') \
-            --build-arg VCS_REF=${GITHUB_SHA::8} \
-            ${TAGS} --file ./Dockerfile .
+          echo "docker_image=${DOCKER_IMAGE}" >> $GITHUB_OUTPUT
+          echo "version=${VERSION}" >> $GITHUB_OUTPUT
+          echo "buildx_args=--platform ${DOCKER_PLATFORMS} --build-arg VERSION=${VERSION} --build-arg BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ') --build-arg VCS_REF=${GITHUB_SHA::8} ${TAGS} --file ./Dockerfile ." >> $GITHUB_OUTPUT
       # https://github.com/docker/setup-qemu-action
       - 
         name: Set up QEMU

.github/workflows/buildx_github.yml

@@ -0,0 +1,68 @@
+name: buildx_github
+
+on:
+  create:
+    tags:
+      - v*
+
+jobs:
+  buildx:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v3
+      -
+        name: Prepare
+        id: prepare
+        run: |
+          DOCKER_IMAGE=ghcr.io/windoc/nginx-npm
+          DOCKER_PLATFORMS=linux/amd64,linux/arm/v7,linux/arm64/v8
+          VERSION=edge
+
+          if [[ $GITHUB_REF == refs/tags/* ]]; then
+            VERSION=${GITHUB_REF#refs/tags/}
+            VERSION=$(echo $VERSION | sed 's/^v//g')
+          fi
+
+          TAGS="--tag ${DOCKER_IMAGE}:${VERSION}"
+          if [[ $VERSION =~ ^[0-9]{1,3} ]]; then
+            TAGS="$TAGS --tag ${DOCKER_IMAGE}:latest"
+          fi
+
+          echo "docker_image=${DOCKER_IMAGE}" >> $GITHUB_OUTPUT
+          echo "version=${VERSION}" >> $GITHUB_OUTPUT
+          echo "buildx_args=--platform ${DOCKER_PLATFORMS} --build-arg VERSION=${VERSION} --build-arg BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ') --build-arg VCS_REF=${GITHUB_SHA::8} ${TAGS} --file ./Dockerfile ." >> $GITHUB_OUTPUT
+      # https://github.com/docker/setup-qemu-action
+      - 
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      # https://github.com/docker/setup-buildx-action
+      - 
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+        # with:
+        #   cache-from: type=gha
+        #   cache-to: type=gha,mode=max
+      -
+        name: Docker Buildx (build)
+        run: |
+          docker buildx build --output "type=image,push=false" ${{ steps.prepare.outputs.buildx_args }}
+      -
+        name: Login to ghcr.io
+        if: success() && github.event_name != 'pull_request'
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: Docker Buildx (push to ghcr.io)
+        if: success() && github.event_name != 'pull_request'
+        run: |
+          docker buildx build --output "type=image,push=true" ${{ steps.prepare.outputs.buildx_args }}
+      -
+        name: Inspect image
+        if: always() && github.event_name != 'pull_request'
+        run: |
+          docker buildx imagetools inspect ${{ steps.prepare.outputs.docker_image }}:${{ steps.prepare.outputs.version }}