sudo apt-get install docker
sudo apt-get update
sudo apt-get install docker.io
sudo docker pull alfg/nginx-rtmp
sudo docker run -it -p 1935:1935 -p 8080:80 --rm alfg/nginx-rtmp
ffmpeg -s 640*480 -i /dev/video3 -vcodec h264 -f flv rtmp://192.168.4.97:1935/stream/example
ffplay rtmp://192.168.4.97:1935/stream/example
ffmpeg -i rtmp://192.18.4.97:1935/stream/example -f fbdev /dev/fb0