Just to start, needs a lot of cleanup.

.github/workflows/DockerBuildAndPush.yml

@@ -0,0 +1,43 @@
+name: DockerBuildAndPush
+
+on:
+  push:
+    branches: main
+
+jobs:
+  multi:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      -
+        name: Login to GitHub Container Registry
+        uses: docker/login-action@v1 
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.CR_PAT }}
+      # -
+      #   name: Login to DockerHub
+      #   uses: docker/login-action@v1 
+      #   with:
+      #     username: ${{ secrets.DOCKERHUB_USERNAME }}
+      #     password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Build and push 
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/ppc64le,linux/s390x
+          push: true
+          tags: |
+            ghcr.io/ncareau/netgear-lte-exporter:latest
+#            ncareau/netgear-lte-exporter:latest