HUSTOJ
Popular Open Source Online Judge based on PHP/C++/MySQL/Linux
...Because the web terminal/database/judgment machine are all packaged in the same image and cannot be extended, it is not recommended to use this image for distributed judgment. In addition, please do not use the SHM file system in Docker, it will be unable to mount due to insufficient memory space The sandbox environment causes inexplicable runtime errors. The default location of script installation is /home/judge, where src is all source code, data is test data, etc directory is the configuration file of the judgment side, and the install directory is various tool scripts.