content: FROM rust:latest
  
  RUN apt update && apt upgrade -y
  RUN apt install -y g++-arm-linux-gnueabihf libc6-dev-armhf-cross
  
  RUN rustup target add armv7-unknown-linux-gnueabihf
  RUN rustup toolchain install stable-armv7-unknown-linux-gnueabihf
  
  WORKDIR /app
  
  ENV CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_LINKER=arm-linux-gnueabihf-gcc CC_armv7_unknown_Linux_gnueabihf=arm-linux-gnueabihf-gcc CXX_armv7_unknown_linux_gnueabihf=arm-linux-gnueabihf-g++
  
  CMD ["cargo", "build", "--target", "armv7-unknown-linux-gnueabihf"]