Create Build Script for Docker Container

.github/workflows/build.yaml

@@ -0,0 +1,40 @@
+name: Build Docker Image
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+env:
+  GHCR_REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  docker:
+    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: ${{ env.GHCR_REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        env:
+          DOCKER_IMAGE: ${{ env.GHCR_REGISTRY }}/${{ env.IMAGE_NAME }}
+        with:
+          context: .
+          platforms: linux/amd64,linux/armhf,linux/arm64
+          push: true
+          tags: ${{ env.DOCKER_IMAGE }