Merge branch 'pr/callumgare/36'

.github/workflows/pre-release.yaml

@@ -0,0 +1,31 @@
+---
+name: "pre-release"
+
+on:
+  push:
+    branches:
+      - "master"
+
+jobs:
+  pre-release-docker:
+    name: "Pre Release Docker"
+    runs-on: "ubuntu-latest"
+
+    steps:
+    - uses: docker/setup-qemu-action@v1
+
+    - uses: docker/setup-buildx-action@v1
+
+    - uses: docker/login-action@v1
+      with:
+        username: "${{ secrets.DOCKER_HUB_USER }}"
+        password: "${{ secrets.DOCKER_HUB_TOKEN }}"
+
+    - name: "Build and push docker image"
+      uses: docker/build-push-action@v2
+      with:
+        context: .
+        file: ./Dockerfile
+        platforms: linux/amd64,linux/arm/v7,linux/arm64
+        push: true
+        tags: "${{ secrets.DOCKER_REPO }}:latest"