diff --git a/cms-core/configs/server.yaml b/cms-core/configs/server.yaml
new file mode 100644
index 000000000..947627319
--- /dev/null
+++ b/cms-core/configs/server.yaml
@@ -0,0 +1,15 @@
+server:
+    port: 8080
+    ip: "127.0.0.1"
+env: dev
+test: only in yaml
+ipc:
+  port: 6868
+  password: test_pwd
+apm:
+  enabled: false
+  max_requests: 100
+  thread_limit: 10
+# experimental settings
+performance:
+  pool_enabled: false
\ No newline at end of file
diff --git a/cms-core/src/main/java/com/condation/cms/core/configuration/ConfigurationFactory.java b/cms-core/src/main/java/com/condation/cms/core/configuration/ConfigurationFactory.java
index 05e560dfb..3818c0152 100644
--- a/cms-core/src/main/java/com/condation/cms/core/configuration/ConfigurationFactory.java
+++ b/cms-core/src/main/java/com/condation/cms/core/configuration/ConfigurationFactory.java
@@ -173,4 +173,4 @@ private static TaxonomyConfiguration taxonomyConfiguration(EventBus eventBus, Pa
 				.addSource(TomlConfigSource.build(hostBase.resolve("config/taxonomy.toml")))
 				.build();
 	}
-}
+}
\ No newline at end of file
diff --git a/cms-core/src/main/java/com/condation/cms/core/configuration/configs/SimpleConfiguration.java b/cms-core/src/main/java/com/condation/cms/core/configuration/configs/SimpleConfiguration.java
index 85e5428a7..7f449c9c6 100644
--- a/cms-core/src/main/java/com/condation/cms/core/configuration/configs/SimpleConfiguration.java
+++ b/cms-core/src/main/java/com/condation/cms/core/configuration/configs/SimpleConfiguration.java
@@ -208,4 +208,4 @@ public SimpleConfiguration build () {
 			return new SimpleConfiguration(this);
 		}
 	}
-}
+}
\ No newline at end of file
diff --git a/cms-core/src/main/java/com/condation/cms/core/configuration/source/TomlConfigSource.java b/cms-core/src/main/java/com/condation/cms/core/configuration/source/TomlConfigSource.java
index 13962cbfa..bee21ad7d 100644
--- a/cms-core/src/main/java/com/condation/cms/core/configuration/source/TomlConfigSource.java
+++ b/cms-core/src/main/java/com/condation/cms/core/configuration/source/TomlConfigSource.java
@@ -173,4 +173,4 @@ public Map<String, Object> toMap() {
 		}
 	}
 
-}
+}
\ No newline at end of file
diff --git a/cms-core/src/test/java/com/condation/cms/core/configuration/ConfigurationTest.java b/cms-core/src/test/java/com/condation/cms/core/configuration/ConfigurationTest.java
index 0984683a3..367a88c11 100644
--- a/cms-core/src/test/java/com/condation/cms/core/configuration/ConfigurationTest.java
+++ b/cms-core/src/test/java/com/condation/cms/core/configuration/ConfigurationTest.java
@@ -129,4 +129,4 @@ public static class Server {
 		private int port;
 		private String ip;
 	}
-}
+}
\ No newline at end of file
diff --git a/test-server/hosts/demo/site-dev.toml b/test-server/hosts/demo/site-dev.toml
new file mode 100644
index 000000000..eb2cd86dc
--- /dev/null
+++ b/test-server/hosts/demo/site-dev.toml
@@ -0,0 +1 @@
+hostname = [ "localhost5" ]
\ No newline at end of file