Static file serve by Rust.
git clone https://github.com/iorust/rstatic.git && cd rstatic && cargo build --release
Then exec file rstatic/target/release/rstatic
created.
if openssl-sys build error:
export OPENSSL_INCLUDE_DIR=/usr/local/opt/openssl/include
target/release/rstatic
More help:
target/release/rstatic --help