ci(docker): support more platforms

.github/workflows/docker.yml

@@ -8,6 +8,7 @@ on:
       - "lib/**"
       - "*.js"
       - "*.json"
+      - ".github/workflows/docker.yml"
   workflow_dispatch:
 
 jobs:
@@ -16,13 +17,18 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Build and push
-        env:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
-          repo: ${{ secrets.DOCKERHUB_REPO }}
-        run: |
-          curl -fsSL https://get.docker.com | bash -s docker
-          docker build -t $repo .
-          docker login -p $password -u $username
-          docker push $repo
+      - name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          push: true
+          tags: ${{ secrets.DOCKERHUB_REPO }}
+          platforms: "linux/amd64,linux/386,linux/arm64,linux/arm/v7,linux/arm/v6,linux/riscv64"

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:lts-alpine
+FROM --platform=$BUILDPLATFORM node:lts-alpine
 
 LABEL author="shanmite" version="1.1" description="自动参与B站动态抽奖"