Substitute the environment variables in the docker-compose.yml file for your own

When changes have happened first use docker-compose build to update the pepe_server container's image. Then execute docker-compose up -d to start the containers.

When running for the first time, the database has to first start up properly, that can take some time. Also the database badwords (which is automatically created) won't have any tables or content in it yet. Similarly this happens when you have no volume yet to store your data. Create these yourself.