Fix typo in docs

docs/docs/03-configuration.md

@@ -7,7 +7,7 @@ The app is mainly configured by environment variables. All the used environment
 | DATA_DIR          | Yes                                   | Not set   | The path for the persistent data directory. This is where the db and the uploaded assets live.                                            |
 | NEXTAUTH_SECRET   | Yes                                   | Not set   | Random string used to sign the JWT tokens. Generate one with `openssl rand -base64 36`.                                                   |
 | REDIS_HOST        | Yes                                   | localhost | The address of redis used by background jobs                                                                                              |
-| REDIS_POST        | Yes                                   | 6379      | The port of redis used by background jobs                                                                                                 |
+| REDIS_PORT        | Yes                                   | 6379      | The port of redis used by background jobs                                                                                                 |
 | REDIS_DB_IDX      | No                                    | Not set   | The db idx to use with redis. It defaults to 0 (in the client) so you don't usually need to set it unless you explicitly want another db. |
 | MEILI_ADDR        | No                                    | Not set   | The address of meilisearch. If not set, Search will be disabled. E.g. (`http://meilisearch:7700`)                                         |
 | MEILI_MASTER_KEY  | Only in Prod and if search is enabled | Not set   | The master key configured for meilisearch. Not needed in development environment. Generate one with `openssl rand -base64 36`             |