Merge pull request #401 from Kegbot/mikey/arm-builds

Add docker buildx action for arm builds

.github/workflows/dockerbuildx.yml

@@ -0,0 +1,33 @@
+name: Docker buildx
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  buildx:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v1
+      -
+        name: Set up Docker Buildx
+        id: buildx
+        uses: crazy-max/ghaction-docker-buildx@v1
+        with:
+          version: latest
+      -
+        name: Available platforms
+        run: echo ${{ steps.buildx.outputs.platforms }}
+      -
+        name: Login to DockerHub Registry
+        run: echo ${{ secrets.DOCKER_HUB_PASSWORD }} | docker login -u ${{ secrets.DOCKER_HUB_USERNAME }} --password-stdin
+      -
+        name: Build and push
+        run: |
+          docker buildx build \
+            --platform linux/arm/v7,linux/amd64 \
+            -t kegbot/server:latest \
+            --push .

.github/workflows/dockerpublish.yml

@@ -52,4 +52,4 @@ jobs:
         password: ${{ secrets.DOCKER_HUB_PASSWORD }}
         repository: kegbot/server
         tag_with_ref: true
-        tags: latest
+        tags: latest-release