Setup  # Clone Andrew's helper repository: git clone https://github.com/andrewnicols/moodle-synapse cd moodle-synapse chmod 777 *_data  # Run the docker-compose up command: docker compose up -d  # Wait for about 10 seconds for the first run to complete  # Run the setup script: ./setup.sh  # Copy the command it outputs  # Change into your Moodle directory  # Paste in the command, for EXAMPLE : cd path/to/moodle sed -i '/^require_once.*lib.*setup.php.*$/i require_once("/Users/nicols/git/moodlehq/synapse/moodle-config.php");' config.php cd -  # If you have not done so already, edit your /etc/hosts file to add: 127.0.0.1 element.container.docker.internal element 127.0.0.1 synapse.container.docker.internal synapse 127.0.0.1 keycloak.container.docker.internal keycloak  # Follow the instructions at https://github.com/andrewnicols/moodle-synapse#trusting to trust the root CA that is used for this. Test scenario Turn off the server by going to moodle-synapse docker and run "docker compose down" Create a course Go to the created course Click on More > Communication Select Matrix as the communication provider then save changes Verify that you don't see any error like the following screenshot