* DB_SERVER: optional, address of the database server, for example DB_SERVER="db:5432". Used to wait for the database to be up and running.
* DB_USER: User to use when connecting to the database
* DB_PASSWORD: Password to use when connecting to the database
* META_DB_URL: JDBC URL to connect to the metadata database, for example "jdbc:postgresql://meta-db:5432/portal"
* META_DB_SERVER: optional, address of the metadata database server, for example META_DB_SERVER="meta-db:5432". Used to wait for the database to be up and running.
* META_DB_USER: User to use when connecting to the metadata database
* META_DB_PASSWORD: Password to use when connecting to the metadata database
* CONTEXT_PATH: context path appended to all services running in this container. Default to "/services"
* AUTHENTICATION: 0 to disable authentication or 1 to enable authentication.
* CLIENT_ID: required when authentication is turned on, client ID for the [OpenID server of HBP](https://services.humanbrainproject.eu/oidc/)
