Online Judge system written in golang. A running version can be found here.
It consists of two main parts:
- A group of reusable components, located in
pkg/, which can be used in a variety ways related to the conversion, running and modification of algorithmic/olympiad tasks. - A web based online judge system, located in
internal/.
Disclaimer: it's possible to run the system without docker, but it's much more of a hassle to set up the environment.
First, build the containers:
docker-compose build base
docker-compose build
Then, run the migrations:
docker-compose run web ./njudge web migrate --up
Modify the environment files web.env and judge.env. Typically only web.env needs to be changed. A quite minimal web.env file for example would be:
NJUDGE_MODE="production"
NJUDGE_HOSTNAME="yourhost.domain"
NJUDGE_URL="https://yourhost.domain"
NJUDGE_COOKIESECRET="somesecretstring"Probably you would want some of NJUDGE_SENDGRID, NJUDGE_SMTP, NJUDGE_GOOGLEAUTH as well to provide OAuth login and email sending capabilities.
For the full list of the configuration options supported by the web component check out config.go.
Then you can start all containers necessary via:
docker-compose up
To make problems available to the system you have two options:
- Use the automatically created
njudge_problemsvolume, copy the problems there viadocker cp. - Modify the
docker-compose.ymlto use a bind mount pointing to a directory on your host system.
If both the judge and web component sees the problems, you have to use the admin panel (or some sql client) to create the necessary ProblemRels for it to be displayed on the frontend.
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