feat: Add support for building and deploying on ARM

.github/workflows/release.yml

@@ -26,13 +26,13 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v4
 
       - name: Build Dockerfile
-        run: docker build . --file Dockerfile --tag image
+        run: docker build . --file Dockerfile --tag image --platform linux/amd64,linux/arm64
 
       - run: |
           docker run --rm -t -v $PWD:/volume image cp /app/$HANDLER_NAME /volume/handler

Cross.toml

@@ -0,0 +1,9 @@
+[target.aarch64-unknown-linux-gnu]
+pre-build = [
+    "apt update && apt install -y protobuf-compiler"
+]
+
+[target.x86_64-unknown-linux-gnu]
+pre-build = [
+    "apt update && apt install -y protobuf-compiler"
+]

Dockerfile

@@ -1,41 +1,34 @@
 FROM clux/muslrust:stable as builder
 
-ARG PROTOC_VERSION=3.20.2
-
-RUN apt-get update && apt-get install -y openssl unzip
-
-# Install protoc
-RUN curl -sSL -o /tmp/protoc.zip "https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-linux-x86_64.zip" && unzip /tmp/protoc.zip -d /usr/local && rm /tmp/protoc.zip
+RUN apt-get update && apt-get install -y openssl unzip protobuf-compiler
 
 WORKDIR /src
 
 # Pre-build all dependencies
 RUN USER=root cargo init --bin --name bender
 COPY ./Cargo.lock .
 COPY ./Cargo.toml .
-RUN cargo build --release --locked && rm -rf target/x86_64-unknown-linux-musl/release/deps/bender*
+RUN cargo build --release --locked && rm -rf target/*/release/deps/bender*
 RUN rm src/*.rs
 
 # Add the source code
 COPY . .
 
 # Run the test suite
-RUN cargo test --release && rm -rf target/x86_64-unknown-linux-musl/release/deps/bender*
+RUN cargo test --release && rm -rf target/*/release/deps/bender*
 
 # Build the final executable of the project
 RUN cargo build --release --bin bender --locked
 
 # Ensure that the binary is at a known location for the next stage
 RUN mkdir /out && \
-    rm /src/target/x86_64-unknown-linux-musl/release/deps/bender*.d && \
-    cp /src/target/x86_64-unknown-linux-musl/release/deps/bender* /out/bender
-
-FROM alpine:latest
+    rm /src/target/*/release/deps/bender*.d && \
+    cp /src/target/*/release/deps/bender* /out/bender
 
-RUN apk --no-cache add ca-certificates
+FROM cgr.dev/chainguard/static:latest
 
 COPY --from=builder /out/bender /app/bender
 ADD ./quotes.json /app/quotes.json
 
 WORKDIR /app
-CMD [ "/app/bender" ]
+ENTRYPOINT [ "/app/bender" ]