installation via docker

Instructions for docker:

1. run docker image (approx. 5 minuts)

docker run -it --name php-opencv morozovsk/php-opencv

2. install php-opencv-examples into docker (approx. 1 minut)

git clone github.com/php-opencv/php-opencv-examples.git && cd php-opencv-examples

3. start examples (approx. 1 second)

php detect_face_by_dnn_ssd.php