nsjail static build

nsjail-static-build.sh

#!/bin/bash

### Usage:
# docker run --rm -v $(pwd)/nsjail-static-build.sh:/nsjail-static-build.sh -v $(pwd):/out ubuntu:18.04 ./nsjail-static-build.sh

apt-get -y update && apt-get install -y \
    autoconf \
    bison \
    flex \
    gcc \
    g++ \
    git \
    libprotobuf-dev \
    libnl-route-3-dev \
    libtool \
    make \
    pkg-config \
    protobuf-compiler \
    upx

git clone https://github.com/google/nsjail.git
cd /nsjail
sed -i 's/^LDFLAGS\(.*\)/LDFLAGS\1 -static/' Makefile
make && mv /nsjail/nsjail /out && strip /out/nsjail && upx /out/nsjail