Introduction

The main community website for STACK is https://stack-assessment.org/

Testing Installation

It is important to confirm that STACK has been installed correctly, and that it is connecting to the CAS. https://docs.stack-assessment.org/en/Installation/Testing_installation/

A maxima CAS server for STACK

• https://github.com/mathinstitut/goemaxima

maxima version

docker ps
docker exec -it goemaxima_container bash
maxima --list-avail

Docker

• https://github.com/mathinstitut/goemaxima#using-the-docker-image

Using a bundled stackmaxima

• https://hub.docker.com/r/mathinstitut/goemaxima

# Create a directory for goemaxima
sudo mkdir -p /opt/goemaxima
cd /opt/goemaxima

# Save the compose file (copy from the artifact above)
sudo nano docker-compose.yml

# Create and start goemaxima
sudo docker compose up -d

sudo docker compose pull

Update

# Create and start goemaxima
sudo docker compose down
sudo docker compose pull
sudo docker compose up -d

docker pull mathinstitut/goemaxima:2026042200-latest

docker-compose.yml

services:
  goemaxima:
    image: mathinstitut/goemaxima:2026042200-latest
    container_name: goemaxima_container
    ports:
      - "8081:8080"
    restart: unless-stopped
    environment:
      - MAXIMA_OPTION=default # replace or extend with actual options if needed
    volumes:
      - ./data:/app/data # mount a volume if the container needs local storage

Moodle configuration

# https://docs.stack-assessment.org/en/Installation/
$defaults['qtype_stack']['platform'] = 'Server'; // TODO
$defaults['qtype_stack']['maximaversion'] = '5.44.0';
$defaults['qtype_stack']['maximacommandserver'] = 'http://host.docker.internal:8081/goemaxima';