diff --git a/README.md b/README.md
index 851a3269..a3c57508 100644
--- a/README.md
+++ b/README.md
@@ -88,6 +88,19 @@ Sample data can be generated by using the following command:
 ./scripts/docker.sh exec api python -c "from src.connectors.database import init_db; init_db()"
 ```
 
+
+## Access the database through a client (QGIS, PgAdmin, etc.)
+
+To access the GeoCam database through an external client, add these lines to `docker/docker-compose.yml` in the db container after the `environment` statement:
+
+```
+    ports:
+      - "6543:5432"
+```
+
+You can now connect to the database with your client using the GeoCam address and the port 6543. You can modify this port if you want.
+
+
 ## Authentication
 
 GeoCam uses [Keycloak](https://www.keycloak.org/) version 21.1.0 as authentication system.