diff --git a/DiscordBot/Program.cs b/DiscordBot/Program.cs
index 1ddccd8..94d9975 100644
--- a/DiscordBot/Program.cs
+++ b/DiscordBot/Program.cs
@@ -23,7 +23,7 @@ public class Program
     {
         /// <summary>
         ///     This is the Discord token from the bot
-        /// </summary>
+        /// </summary> 
         private string? _discordToken;
 
         /// <summary>
@@ -46,7 +46,7 @@ public class Program
         /// <summary>
         ///     Init Program
         /// </summary>
-        public static Task Main(string[] args)
+        public static Task Main()
         {
             return new Program().MainAsync();
         }
diff --git a/DiscordBot/Services/SlashCommandsService.cs b/DiscordBot/Services/SlashCommandsService.cs
index 6d7b071..38f6f99 100644
--- a/DiscordBot/Services/SlashCommandsService.cs
+++ b/DiscordBot/Services/SlashCommandsService.cs
@@ -271,7 +271,7 @@ public async Task WeatherSlashCommandAsync(IInteractionContextWrapper ctx, strin
             Program.Log("Message: " + message);
 
             if (success) {
-                DiscordEmbedBuilder embedMessage = new DiscordEmbedBuilder
+                DiscordEmbedBuilder embedMessage = new()
                 {
                     Title = $"{symbol} - {physicalCurrency} | ${message}",
                     Description = $"Price of {symbol} - {physicalCurrency} is ${message}",
diff --git a/DiscordBot/SlashCommands.cs b/DiscordBot/SlashCommands.cs
index 0653983..5eb2829 100644
--- a/DiscordBot/SlashCommands.cs
+++ b/DiscordBot/SlashCommands.cs
@@ -61,7 +61,7 @@ public async Task PingSlashCommand(InteractionContext ctx)
             [Option("PhysicalCurrency", "The physical currency to compare against, e.g., USDT")]
             string physicalCurrency = "USDT")
         {
-            InteractionContextWrapper context = new InteractionContextWrapper(ctx);
+            InteractionContextWrapper context = new(ctx);
             await slashCommandsService.CryptoSlashCommandAsync(context, symbol, physicalCurrency);
         }
     }
diff --git a/DiscordBotTests/ServiceTests/CryptoServiceTests.cs b/DiscordBotTests/ServiceTests/CryptoServiceTests.cs
index bbbdba6..c4eaa35 100644
--- a/DiscordBotTests/ServiceTests/CryptoServiceTests.cs
+++ b/DiscordBotTests/ServiceTests/CryptoServiceTests.cs
@@ -31,8 +31,8 @@ public void Setup()
     public async Task GetCurrentCryptoPriceAsync_ReturnsCurrentPrice()
     {
         // Arrange
-        string symbol = "BTC";
-        string physicalCurrency = "USDT";
+        const string symbol = "BTC";
+        const string physicalCurrency = "USDT";
         const string jsonResponse = "{\"result\": [{\"last_price\": \"50000\"}]}";
         const string expectedPrice = "50000";
         _mockHttpService.Setup(x => x.GetResponseFromUrl(It.IsAny<string>(), It.IsAny<Method>(), It.IsAny<string>(),
@@ -51,8 +51,8 @@ public async Task GetCurrentCryptoPriceAsync_ReturnsCurrentPrice()
     public async Task GetCurrentCryptoPriceAsync_ApiError_ReturnsErrorMessage()
     {
         // Arrange
-        string symbol = "BTC";
-        string physicalCurrency = "USDT";
+        const string symbol = "BTC";
+        const string physicalCurrency = "USDT";
         const string expectedErrorMessage = "API Error";
         _mockHttpService.Setup(x => x.GetResponseFromUrl(It.IsAny<string>(), It.IsAny<Method>(), It.IsAny<string>(),
                 It.IsAny<List<KeyValuePair<string, string>>>(), It.IsAny<object>()))
@@ -70,8 +70,8 @@ public async Task GetCurrentCryptoPriceAsync_ApiError_ReturnsErrorMessage()
     public async Task GetCurrentCryptoPriceAsync_InvalidJson_ReturnsFallbackMessage()
     {
         // Arrange
-        string symbol = "BTC";
-        string physicalCurrency = "USDT";
+        const string symbol = "BTC";
+        const string physicalCurrency = "USDT";
         const string invalidJsonResponse = "Invalid JSON";
         _mockHttpService.Setup(x => x.GetResponseFromUrl(It.IsAny<string>(), It.IsAny<Method>(), It.IsAny<string>(),
                 It.IsAny<List<KeyValuePair<string, string>>>(), It.IsAny<object>()))
@@ -89,8 +89,8 @@ public async Task GetCurrentCryptoPriceAsync_InvalidJson_ReturnsFallbackMessage(
     public async Task GetCurrentCryptoPriceAsync_MissingLastPrice_ReturnsFallbackMessage()
     {
         // Arrange
-        string symbol = "BTC";
-        string physicalCurrency = "USDT";
+        const string symbol = "BTC";
+        const string physicalCurrency = "USDT";
         const string jsonResponseMissingLastPrice = "{\"result\": [{}]}";
         _mockHttpService.Setup(x => x.GetResponseFromUrl(It.IsAny<string>(), It.IsAny<Method>(), It.IsAny<string>(),
                 It.IsAny<List<KeyValuePair<string, string>>>(), It.IsAny<object>()))
diff --git a/DiscordBotTests/ServiceTests/HttpServiceTests.cs b/DiscordBotTests/ServiceTests/HttpServiceTests.cs
index f77918f..5570d1c 100644
--- a/DiscordBotTests/ServiceTests/HttpServiceTests.cs
+++ b/DiscordBotTests/ServiceTests/HttpServiceTests.cs
@@ -17,8 +17,8 @@ public void SetUp()
         _httpService = new HttpService(_mockRestClient.Object);
     }
 
-    private Mock<IRestClient> _mockRestClient;
-    private IHttpService _httpService;
+    private Mock<IRestClient> _mockRestClient = null!;
+    private IHttpService _httpService = null!;
 
     [Test]
     public async Task GetResponseFromURL_WithValidResponse_ReturnsSuccess()
diff --git a/DiscordBotTests/ServiceTests/OpenAiServiceTests.cs b/DiscordBotTests/ServiceTests/OpenAiServiceTests.cs
index aaebcdf..884cc4e 100644
--- a/DiscordBotTests/ServiceTests/OpenAiServiceTests.cs
+++ b/DiscordBotTests/ServiceTests/OpenAiServiceTests.cs
@@ -28,8 +28,8 @@ public void Setup()
         _openAiService = new OpenAiService(_mockHttpService.Object, configuration);
     }
 
-    private Mock<IHttpService> _mockHttpService;
-    private OpenAiService? _openAiService;
+    private Mock<IHttpService> _mockHttpService = null!;
+    private OpenAiService? _openAiService = null!;
 
     [Test]
     public async Task ChatGpt_WithValidApiKeyAndMessage_ReturnsSuccessAndResponse()
diff --git a/DiscordBotTests/ServiceTests/OpenWeatherMapServiceTests.cs b/DiscordBotTests/ServiceTests/OpenWeatherMapServiceTests.cs
index cecae4e..e984731 100644
--- a/DiscordBotTests/ServiceTests/OpenWeatherMapServiceTests.cs
+++ b/DiscordBotTests/ServiceTests/OpenWeatherMapServiceTests.cs
@@ -29,8 +29,8 @@ public void Setup()
         _openWeatherMapService = new OpenWeatherMapService(_mockHttpService.Object, configuration);
     }
 
-    private Mock<IHttpService> _mockHttpService;
-    private OpenWeatherMapService _openWeatherMapService;
+    private Mock<IHttpService> _mockHttpService = null!;
+    private OpenWeatherMapService _openWeatherMapService = null!;
 
     [Test]
     public void GetWeatherAsync_WithValidApiKeyAndCity_ReturnsSuccessAndWeatherData()
diff --git a/DiscordBotTests/ServiceTests/SlashCommandsServiceTests.cs b/DiscordBotTests/ServiceTests/SlashCommandsServiceTests.cs
index 02f90e0..802278a 100644
--- a/DiscordBotTests/ServiceTests/SlashCommandsServiceTests.cs
+++ b/DiscordBotTests/ServiceTests/SlashCommandsServiceTests.cs
@@ -10,13 +10,13 @@ namespace DiscordBotTests.ServiceTests;
 [Ignore("This test is not yet implemented. Currently, I don't know exactly how to properly mock the DiscordUser & DiscordChannel.")]
 public class SlashCommandsServiceTests
 {
-    private Mock<IInteractionContextWrapper> _ctxMock;
-    private Mock<IOpenAiService> _openAiServiceMock;
-    private Mock<IOpenWeatherMapService> _openWeatherMapServiceMock;
-    private SlashCommandsService _slashCommandsService;
-    private Mock<IWatch2GetherService> _watch2GetherServiceMock;
-    private Mock<ICryptoService> _cryptoServiceMock;
-
+    private Mock<IInteractionContextWrapper> _ctxMock = null!;
+    private Mock<IOpenAiService> _openAiServiceMock = null!;
+    private Mock<IOpenWeatherMapService> _openWeatherMapServiceMock = null!;
+    private SlashCommandsService _slashCommandsService = null!;
+    private Mock<IWatch2GetherService> _watch2GetherServiceMock = null!;
+    private Mock<ICryptoService> _cryptoServiceMock = null!;
+        
     [SetUp]
     public void Setup()
     {
diff --git a/DiscordBotTests/ServiceTests/Watch2GetherServiceTests.cs b/DiscordBotTests/ServiceTests/Watch2GetherServiceTests.cs
index 6130811..acc22e5 100644
--- a/DiscordBotTests/ServiceTests/Watch2GetherServiceTests.cs
+++ b/DiscordBotTests/ServiceTests/Watch2GetherServiceTests.cs
@@ -29,8 +29,8 @@ public void Setup()
         _watch2GetherService = new Watch2GetherService(_mockHttpService.Object, configuration);
     }
 
-    private Watch2GetherService _watch2GetherService;
-    private Mock<IHttpService> _mockHttpService;
+    private Watch2GetherService _watch2GetherService = null!;
+    private Mock<IHttpService> _mockHttpService = null!;
 
     [Test]
     public async Task CreateRoom_SuccessfulRequest_ReturnsSuccessAndRoomUrl()