diff --git a/config/config_exemple.json b/config/config_exemple.json
new file mode 100644
index 0000000..31f54b2
--- /dev/null
+++ b/config/config_exemple.json
@@ -0,0 +1,26 @@
+{
+  "development": {
+    "username": "root",
+    "password": null,
+    "database": "database_test",
+    "host": "127.0.0.1",
+    "dialect": "postgres",
+    "operatorsAliases": false
+  },
+  "test": {
+    "username": "root",
+    "password": null,
+    "database": "database_test",
+    "host": "127.0.0.1",
+    "dialect": "postgres",
+    "operatorsAliases": false
+  },
+  "production": {
+    "username": "root",
+    "password": null,
+    "database": "database_production",
+    "host": "127.0.0.1",
+    "dialect": "postgres",
+    "operatorsAliases": false
+  }
+}