Support both amd/arm + bump actions (#15)

.github/workflows/push_master.yml

@@ -8,21 +8,32 @@ on:
 jobs:
   docker:
     runs-on: ubuntu-latest
+
     steps:
-      - id: commit
-        uses: pr-mpt/actions-commit-hash@v2
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-      - name: Login to Docker Hub
-        uses: docker/login-action@v2
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-      -
-        name: Build and push
-        uses: docker/build-push-action@v3
-        with:
-          push: true
-          tags: alrevuelta/go-waku-light:${{ steps.commit.outputs.short }}
+    - id: commit
+      uses: pr-mpt/actions-commit-hash@v2
+
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+      with:
+        platforms: all
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    - name: Login to DockerHub
+      uses: docker/login-action@v3
+      with:
+        username: ${{ secrets.DOCKERHUB_USERNAME }}
+        password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+    - name: Build and push multi-architecture image
+      uses: docker/build-push-action@v5
+      with:
+        context: .
+        platforms: linux/amd64,linux/arm64
+        push: true
+        tags: alrevuelta/go-waku-light:${{ steps.commit.outputs.short }}