chore: update docker platforms

.github/workflows/build-and-push-canary-image.yml

@@ -4,6 +4,12 @@ on:
   push:
     branches: [main]
 
+env:
+  DOCKER_PLATFORMS: |
+    linux/amd64
+    linux/arm/v7
+    linux/arm64
+
 jobs:
   build-and-push-canary-image:
     runs-on: ubuntu-latest
@@ -15,6 +21,28 @@ jobs:
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
+        with:
+          platforms: ${{ env.DOCKER_PLATFORMS }}
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          version: latest
+          install: true
+          platforms: ${{ env.DOCKER_PLATFORMS }}
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            neosmemo/memos
+            ghcr.io/usememos/memos
+          flavor: |
+            latest=false
+          tags: |
+            type=raw,value=canary
 
       - name: Login to Docker Hub
         uses: docker/login-action@v3
@@ -29,32 +57,13 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ github.token }}
 
-      - name: Set up Docker Buildx
-        id: buildx
-        uses: docker/setup-buildx-action@v3
-        with:
-          install: true
-          version: v0.9.1
-
-      - name: Docker meta
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: |
-            neosmemo/memos
-            ghcr.io/usememos/memos
-          flavor: |
-            latest=false
-          tags: |
-            type=raw,value=canary
-
       - name: Build and Push
         id: docker_build
         uses: docker/build-push-action@v6
         with:
           context: .
           file: ./scripts/Dockerfile
-          platforms: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
+          platforms: ${{ env.DOCKER_PLATFORMS }}
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}