message: Update configuration.md
  Add default value and link for more information about the `LOG_LEVEL` environment variable.
diff: @@ -421,7 +421,7 @@ This gets passed into the `employedBy()` function, (called `companyId`), and can
  | Name | Default | Description |
  | ----------------------------- | ------- | ----------------------------------------------------------------------------------------------------------- |
  | `NODE_ENV` | | |
  -| `LOG_LEVEL` | | |
  +| `LOG_LEVEL` | INFO | Piped to the Hasura CLI when applying migrations/metadata. Allowed values [here](https://hasura.io/docs/latest/graphql/core/hasura-cli/hasura.html#options). |
  | `HASURA_ENDPOINT` (required) | | Url of the Hasura GraphQL engine endpoint used by the backend to access the database. |
  | `HASURA_GRAPHQL_ADMIN_SECRET` | | The secret set in the Hasura GraphQL Engine to allow admin access to the service. **Strongly recommended**. |
  | `HOST` | | Listening host of the service |
  