Re-re-add arm64 build

.github/workflows/docker-publish.yml

@@ -27,6 +27,11 @@ jobs:
         with:
           submodules: true
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+        with:
+          platforms: 'arm64'
+
       - name: Setup Docker buildx
         uses: docker/setup-buildx-action@v2
 
@@ -56,6 +61,7 @@ jobs:
         uses: docker/build-push-action@v4
         with:
           context: .
+          platforms: linux/amd64,linux/arm64
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,6 +1,11 @@
 FROM rust:1.68-bullseye as builder
 WORKDIR /usr/src/app
 
+# Workaround to allow arm64 builds to work properly
+ENV CARGO_NET_GIT_FETCH_WITH_CLI=true
+
+# We currently use protoc rather than relying on the protobuf-sys package
+# because it greatly cuts down on build times. This may change in the future.
 RUN apt-get update && apt-get install -y protobuf-compiler && rm -rf /var/lib/apt/lists/*
 
 # Copy over only the files which specify dependencies
@@ -23,4 +28,4 @@ RUN apt-get update && apt-get install -y libssl1.1 ca-certificates && rm -rf /va
 COPY entrypoint.sh /usr/local/bin/seabird-entrypoint.sh
 COPY --from=builder /usr/local/bin/seabird-* /usr/local/bin/
 EXPOSE 11235
-CMD ["seabird-entrypoint.sh"]
+CMD ["/usr/local/bin/seabird-entrypoint.sh"]