diff --git a/.github/workflows/ci-with-codeql.yml b/.github/workflows/ci-with-codeql.yml
index 72474cb..e49270f 100644
--- a/.github/workflows/ci-with-codeql.yml
+++ b/.github/workflows/ci-with-codeql.yml
@@ -32,6 +32,7 @@ jobs:
         uses: github/codeql-action/init@v3
         with:
           languages: ${{ matrix.language }}
+          queries: +security-extended
 
       - name: Set up JDK 11
         uses: actions/setup-java@v4
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..b98da6d
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Eficode
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/src/main/java/com/weather/app/WeatherApp.java b/src/main/java/com/weather/app/WeatherApp.java
index 78fc099..3cb8a8d 100644
--- a/src/main/java/com/weather/app/WeatherApp.java
+++ b/src/main/java/com/weather/app/WeatherApp.java
@@ -10,9 +10,9 @@
  * Main entry point for the Weather Application
  */
 public class WeatherApp {
-    
+
     private static final Logger LOGGER = Logger.getLogger(WeatherApp.class.getName());
-    
+
     // Initialize logging configuration
     static {
         try (InputStream is = WeatherApp.class.getClassLoader().getResourceAsStream("logging.properties")) {
@@ -27,23 +27,23 @@ public class WeatherApp {
             e.printStackTrace();
         }
     }
-    
+
     // Flag to control System.exit behavior (for testing)
     private static boolean exitOnError = true;
 
     /**
      * Set whether the application should exit on error.
      * This method is primarily used for testing.
-     * 
+     *
      * @param shouldExit true if the application should exit on error, false otherwise
      */
     public static void setExitOnError(boolean shouldExit) {
         exitOnError = shouldExit;
     }
-    
+
     /**
      * Exit the application with the given status code if exitOnError is true.
-     * 
+     *
      * @param status the exit status code
      * @return true if the application would exit (for testing)
      */
@@ -70,7 +70,7 @@ public static void main(String[] args) {
         try {
             // Get API key from environment or config file
             String apiKey = ConfigUtil.getApiKey();
-            
+
             // Initialize services
             WeatherApiClient weatherApiClient = new OpenWeatherMapClient(apiKey);
             WeatherService weatherService = new WeatherService(weatherApiClient);
@@ -78,12 +78,12 @@ public static void main(String[] args) {
             // Get and display weather data
             WeatherData weatherData = weatherService.getWeather(city);
             LOGGER.log(Level.FINE, weatherData.toString());
-            
+
             // Display weather data to the user
             System.out.println("Current Weather for " + city + ":");
             System.out.println("-------------------------------------");
             System.out.println(weatherData);
-            
+
         } catch (ConfigUtil.ConfigException e) {
             LOGGER.log(Level.SEVERE, "Configuration error: " + e.getMessage(), e);
             LOGGER.log(Level.SEVERE,