diff --git a/.gitignore b/.gitignore
index 5ff6309..5d199ce 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,4 +35,7 @@ build/
 .vscode/
 
 ### Mac OS ###
-.DS_Store
\ No newline at end of file
+.DS_Store
+
+### Configuration file
+/nrdatad.conf
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index b3b4d54..2b0405e 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -5,14 +5,10 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="b9554e7b-3332-419c-960c-8bfbee0d5311" name="Changes" comment="">
-      <change afterPath="$PROJECT_DIR$/.gitignore" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/aws.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/vcs.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/main/java/org/leolo/nrdatad/App.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/test/java/org/leolo/AppTest.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.gitignore" beforeDir="false" afterPath="$PROJECT_DIR$/.gitignore" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/org/leolo/nrdatad/App.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/org/leolo/nrdatad/App.java" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -22,6 +18,9 @@
   <component name="Git.Settings">
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
+  </component>
   <component name="ProjectId" id="2GCtKiOdhwqUrJrlolmjYzZXLwa" />
   <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
   <component name="ProjectViewState">
@@ -33,9 +32,15 @@
   "keyToString": {
     "RunOnceActivity.OpenProjectViewOnStart": "true",
     "RunOnceActivity.ShowReadmeOnStart": "true",
-    "WebServerToolWindowFactoryState": "false"
+    "WebServerToolWindowFactoryState": "false",
+    "last_opened_file_path": "D:/IdeaProjects/OSM extract"
   }
 }]]></component>
+  <component name="RecentsManager">
+    <key name="MoveClassesOrPackagesDialog.RECENTS_KEY">
+      <recent name="org.leolo.nrdatad" />
+    </key>
+  </component>
   <component name="RunManager">
     <configuration name="Main" type="Application" factoryName="Application">
       <option name="MAIN_CLASS_NAME" value="org.leolo.nrdatad.App" />
@@ -58,7 +63,7 @@
       <option name="number" value="Default" />
       <option name="presentableId" value="Default" />
       <updated>1665904334835</updated>
-      <workItem from="1665904336661" duration="319000" />
+      <workItem from="1665904336661" duration="2746000" />
     </task>
     <servers />
   </component>
diff --git a/pom.xml b/pom.xml
index 35e26e7..bcd91ab 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,6 +25,21 @@
       <version>4.11</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-api</artifactId>
+      <version>2.13.0</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-core</artifactId>
+      <version>2.13.0</version>
+    </dependency>
+    <dependency>
+      <groupId>commons-cli</groupId>
+      <artifactId>commons-cli</artifactId>
+      <version>1.5.0</version>
+    </dependency>
   </dependencies>
 
   <build>
diff --git a/src/main/java/org/leolo/nrdatad/App.java b/src/main/java/org/leolo/nrdatad/App.java
index 89d158e..5d3ef38 100644
--- a/src/main/java/org/leolo/nrdatad/App.java
+++ b/src/main/java/org/leolo/nrdatad/App.java
@@ -1,11 +1,41 @@
 package org.leolo.nrdatad;
 
+
+import org.apache.commons.cli.*;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
 /**
  * Hello world!
  *
  */
 public class App {
+
+    Logger logger = LogManager.getLogger();
     public static void main( String[] args ) {
-        System.out.println( "Hello World!" );
+        Option confFile = Option.builder()
+                .required(false)
+                .hasArg(true)
+                .argName("fileName")
+                .option("c")
+                .longOpt("config-file")
+                .build();
+        Options opts = new Options();
+        opts.addOption(confFile);
+        String confPath = "nrdatad.conf";
+        try {
+            CommandLine cli = new DefaultParser().parse(opts, args);
+            if(cli.hasOption(confFile)){
+                confPath = cli.getOptionValue(confFile);
+            }
+        } catch (ParseException e) {
+            throw new RuntimeException(e);
+        }
+        new App().run(confPath);
+    }
+
+    private void run(String configPath){
+        logger.always().log("System Started.");
+
     }
 }