feat: build multiple platforms

Author: Jerakin

Diff for: .github/workflows/docker.yml

@@ -20,10 +20,9 @@ jobs:
       matrix:
         architecture:
           - linux/amd64
-          # - linux/arm64
     steps:
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: Docker meta
         id: meta
@@ -39,9 +38,10 @@ jobs:
         run: echo "Creating Docker image ${{ steps.meta.outputs.tags }}"
 
       - name: Build & export
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
         with:
           file: Dockerfile
+          platforms: linux/amd64,linux/arm64
           push: false
           tags: ${{ steps.meta.outputs.tags }}
           outputs: type=docker,dest=/tmp/wikmd.tar
@@ -62,7 +62,7 @@ jobs:
     name: "test-${{ matrix.tag }}"
     steps:
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: Download artifact
         uses: actions/download-artifact@v2
@@ -109,7 +109,7 @@ jobs:
     needs: [build, test]
     steps:
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: Login to DockerHub
         uses: docker/login-action@v2
@@ -118,8 +118,9 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Publish
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
         with:
           file: Dockerfile
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: ${{ needs.build.outputs.wikmd_tags }}