cd docker
docker build -t ntcd_php -f php/Dockerfile .
docker run -it --rm -v /tmp:/tmp ntcd_php php /tmp/main.php /tmp/output

cd docker
docker build -t ntcd_javascript -f javascript/Dockerfile .
docker run -it --rm -v /tmp:/tmp ntcd_javascript node /tmp/main.js /tmp/output

npm run start

{
	"content": "<?php $a = 12; $b = $a * 2; echo $b;"
}

{
  "stdout": "24",
  "error": "",
  "time": ".0911\n"
}