SIGMA (Sistema Intuitivo de Gestão de Matérias Acadêmicas) is an academic system designed to be more intuitive and easier than SIGAA (Sistema Integrado de Gestão de Atividades Acadêmicas)
To run with Docker is simple, you can just compose the file docker-compose.yml and then you can access 127.0.0.1:8080. If you want to configure something, just change the docker-compose.yml or the Dockerfile.
WARNING: when the app initializes for the first time, it will create a superadmin in the database, the default username and password is "admin" for both. So, you will need to change the password after running for the first time. You CANNOT change the superadmin username.