diff --git a/backend/src/main/resources/META-INF/spring-configuration-metadata.json b/backend/src/main/resources/META-INF/spring-configuration-metadata.json
new file mode 100644
index 0000000..328f28f
--- /dev/null
+++ b/backend/src/main/resources/META-INF/spring-configuration-metadata.json
@@ -0,0 +1,32 @@
+{
+  "properties": [
+    {
+      "name": "obsdb.password",
+      "type": "java.lang.String"
+    },
+    {
+      "name": "smtp.enabled",
+      "type": "java.lang.Boolean"
+    },
+    {
+      "name": "smtp.server",
+      "type": "java.lang.String"
+    },
+    {
+      "name": "smtp.port",
+      "type": "java.lang.Integer"
+    },
+    {
+      "name": "smtp.username",
+      "type": "java.lang.String"
+    },
+    {
+      "name": "smtp.password",
+      "type": "java.lang.String"
+    },
+    {
+      "name": "smtp.toaddress",
+      "type": "java.lang.String"
+    }
+  ]
+}
\ No newline at end of file