Cross-Platform Rust Build Script with Docker

multiarch-rust-build-docker.sh

# x86_64 Linux
docker run --rm \
  --platform=linux/amd64 \
  --user "$(id -u)":"$(id -g)" \
  -v "$PWD":/usr/src/myapp \
  -w /usr/src/myapp \
  rust:latest \
  cargo build --release --target x86_64-unknown-linux-gnu

# aarch64 Linux
docker run --rm \
  --platform=linux/arm64 \
  --user "$(id -u)":"$(id -g)" \
  -v "$PWD":/usr/src/myapp \
  -w /usr/src/myapp \
  rust:latest \
  cargo build --release --target aarch64-unknown-linux-gnu