уточнил пример ямлика

src/main/resources/application.yml

@@ -24,6 +24,12 @@ ssh:
       port: 22
       user: "user"
       password: "pass"
+    -
+      name: "Server Name 2"
+      host: "url 2"
+      port: 22
+      user: "user 2"
+      password: "pass 2"