https://github.com/markus-perl/ffmpeg-build-script

docker run -it debian:buster bash
apt-get update && apt-get install build-essential curl g++ git-core
git clone https://github.com/markus-perl/ffmpeg-build-script.git
cd ffmpeg-build-script
./build-ffmpeg -b -f

cd workspace/bin
./ffmpeg 
ffmpeg version 4.3.1 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 8 (Debian 8.3.0-6)
  configuration: --enable-libx264 --enable-libx265 --enable-libvpx --enable-libxvid --enable-libvidstab --enable-libaom --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libtheora --enable-libfdk-aac --enable-openssl --enable-libsrt --disable-debug --disable-doc --disable-ffplay --disable-shared --enable-gpl --enable-nonfree --enable-pthreads --enable-static --enable-small --enable-version3 --extra-cflags=-I/ffmpeg-build-script/workspace/include --extra-ldexeflags=-static --extra-ldflags=-L/ffmpeg-build-script/workspace/lib --extra-libs='-lpthread -lm -lz' --pkgconfigdir=/ffmpeg-build-script/workspace/lib/pkgconfig --pkg-config-flags=--static --prefix=/ffmpeg-build-script/workspace
  libavutil      56. 51.100 / 56. 51.100
  libavcodec     58. 91.100 / 58. 91.100
  libavformat    58. 45.100 / 58. 45.100
  libavdevice    58. 10.100 / 58. 10.100
  libavfilter     7. 85.100 /  7. 85.100
  libswscale      5.  7.100 /  5.  7.100
  libswresample   3.  7.100 /  3.  7.100
  libpostproc    55.  7.100 / 55.  7.100