Make simple docker containers from the build artefact

.github/workflows/build.yml

@@ -70,6 +70,27 @@ jobs:
             target/release/${{ github.event.repository.name }}
             target/aarch64-unknown-linux-gnu/release/${{ github.event.repository.name }}
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push multi-arch Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: git.joshuacoles.me/${{ github.repository }}:latest,git.joshuacoles.me/${{ github.repository }}:${{ github.sha }}
+
       - uses: robiningelbrecht/ntfy-action@v1.0.0
         name: Notify via ntfy.sh
         if: always()

Dockerfile

@@ -0,0 +1,14 @@
+FROM --platform=$BUILDPLATFORM debian:buster-slim AS builder
+ARG TARGETPLATFORM
+WORKDIR /app
+COPY . .
+RUN case "$TARGETPLATFORM" in \
+      "linux/amd64") BINARY_PATH="target/release/toggl-bridge" ;; \
+      "linux/arm64") BINARY_PATH="target/aarch64-unknown-linux-gnu/release/toggl-bridge" ;; \
+      *) exit 1 ;; \
+    esac && \
+    mv "$BINARY_PATH" /usr/local/bin/toggl-bridge
+
+FROM --platform=$TARGETPLATFORM debian:buster-slim
+COPY --from=builder /usr/local/bin/toggl-bridge /usr/local/bin/
+CMD ["toggl-bridge"]