diff --git a/ReallifeGamemode.DataService/Controllers/UserController.cs b/ReallifeGamemode.DataService/Controllers/UserController.cs
index b0b7108a..04cfdedc 100644
--- a/ReallifeGamemode.DataService/Controllers/UserController.cs
+++ b/ReallifeGamemode.DataService/Controllers/UserController.cs
@@ -1,9 +1,11 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Net;
 using System.Security.Claims;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using ReallifeGamemode.Database.Entities;
 using ReallifeGamemode.Database.Models;
@@ -25,6 +27,8 @@ namespace ReallifeGamemode.DataService.Controllers
     }
 
     [HttpGet("Data")]
+    [ProducesResponseType(typeof(GetUserDataResponse), StatusCodes.Status200OK)]
+    [ProducesResponseType(StatusCodes.Status404NotFound)]
     public ActionResult<GetUserDataResponse> Data()
     {
       User user = dbContext.Users.Where(u => u.Id == UserId).FirstOrDefault();
diff --git a/ReallifeGamemode.DataService/Program.cs b/ReallifeGamemode.DataService/Program.cs
index 92e1077b..2fb62b8a 100644
--- a/ReallifeGamemode.DataService/Program.cs
+++ b/ReallifeGamemode.DataService/Program.cs
@@ -18,13 +18,19 @@ namespace ReallifeGamemode.DataService
       BuildWebHost(args).Run();
     }
 
-    public static IWebHost BuildWebHost(string[] args) =>
-        WebHost.CreateDefaultBuilder(args)
-            .UseStartup<Startup>()
-            .UseKestrel(k =>
-            {
-              k.Listen(IPAddress.Any, 5000);
-            })
-            .Build();
+    public static IWebHost BuildWebHost(string[] args)
+    {
+      return WebHost.CreateDefaultBuilder(args)
+        .ConfigureLogging((ctx, l) =>
+        {
+          l.AddLog4Net(Path.Combine(ctx.HostingEnvironment.ContentRootPath, "log4net.config"));
+        })
+        .UseStartup<Startup>()
+        .UseKestrel(k =>
+        {
+          k.Listen(IPAddress.Any, 5000);
+        })
+        .Build();
+    }
   }
 }
diff --git a/ReallifeGamemode.DataService/ReallifeGamemode.DataService.csproj b/ReallifeGamemode.DataService/ReallifeGamemode.DataService.csproj
index 0d25699c..fe4e587b 100644
--- a/ReallifeGamemode.DataService/ReallifeGamemode.DataService.csproj
+++ b/ReallifeGamemode.DataService/ReallifeGamemode.DataService.csproj
@@ -7,22 +7,31 @@
     <GenerateBindingRedirectsOutputType>true</GenerateBindingRedirectsOutputType>
   </PropertyGroup>
 
+  <ItemGroup>
+    <Compile Remove="logs\**" />
+    <Content Remove="logs\**" />
+    <EmbeddedResource Remove="logs\**" />
+    <None Remove="logs\**" />
+  </ItemGroup>
+
   <ItemGroup>
     <Folder Include="wwwroot\" />
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="log4net" Version="2.0.8" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="2.2.6" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="2.2.6">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
+    <PackageReference Include="Microsoft.Extensions.Logging.Log4Net.AspNetCore" Version="2.2.12" />
     <PackageReference Include="Pomelo.EntityFrameworkCore.MySql" Version="2.2.0" />
     <PackageReference Include="Pomelo.EntityFrameworkCore.MySql.Design" Version="1.1.2" />
     <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.9" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Core" Version="2.2.5" />
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="4.0.1" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc2" />
     <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="5.5.0" />
   </ItemGroup>
 
diff --git a/ReallifeGamemode.DataService/Startup.cs b/ReallifeGamemode.DataService/Startup.cs
index 029a21f4..65ce4b3a 100644
--- a/ReallifeGamemode.DataService/Startup.cs
+++ b/ReallifeGamemode.DataService/Startup.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -12,6 +13,7 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using Microsoft.IdentityModel.Tokens;
+using Microsoft.OpenApi.Models;
 using ReallifeGamemode.Database.Models;
 using ReallifeGamemode.DataService.Logic;
 using Swashbuckle.AspNetCore.Swagger;
@@ -33,10 +35,7 @@ namespace ReallifeGamemode.DataService
     {
       services.Configure<ServerConfig>(cfg => Configuration.Bind(cfg));
 
-      services.AddDbContext<DatabaseContext>(db =>
-      {
-        db.UseMySql(Configuration["ConnectionString"]);
-      });
+      services.AddDbContext<DatabaseContext>();
 
       services.AddLogic();
 
@@ -78,35 +77,46 @@ namespace ReallifeGamemode.DataService
 
       services.AddSwaggerGen(c =>
       {
-        Info info = new Info
+        OpenApiInfo info = new OpenApiInfo
         {
           Title = "GTA:V ControlPanl DataService",
           Version = "0.1",
         };
 
-        if(debugToken != null)
+        if (debugToken != null)
         {
           info.Description = $"Debug-Token: {debugToken}";
         }
 
         c.SwaggerDoc("DataService", info);
 
-        c.AddSecurityDefinition("Bearer", new ApiKeyScheme
+        c.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
         {
           Name = "Authorization",
-          In = "Header",
-          Type = "apiKey"
+          In = ParameterLocation.Header,
+          Type = SecuritySchemeType.ApiKey,
+          Scheme = "Bearer"
         });
 
-        c.AddSecurityRequirement(new Dictionary<string, IEnumerable<string>>()
+        c.AddSecurityRequirement(new OpenApiSecurityRequirement()
         {
-          { "Bearer", new string[] { } }
+          {
+            new OpenApiSecurityScheme()
+            {
+              Reference = new OpenApiReference
+              {
+                Type = ReferenceType.SecurityScheme,
+                Id = "Bearer"
+              }
+            },
+            new string[] {}
+          }
         });
       });
     }
 
     // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
-    public void Configure(IApplicationBuilder app, IHostingEnvironment env)
+    public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
     {
       app.UseAuthentication();
 
diff --git a/ReallifeGamemode.DataService/log4net.config b/ReallifeGamemode.DataService/log4net.config
new file mode 100644
index 00000000..99019952
--- /dev/null
+++ b/ReallifeGamemode.DataService/log4net.config
@@ -0,0 +1,35 @@
+<log4net xmlns="http://csharptest.net/downloads/schema/log4net.xsd">
+  <appender name="AllRollingFile" type="log4net.Appender.RollingFileAppender">
+    <file value="log\" />
+    <datePattern value="dd.MM.yyyy'.log'" />
+    <staticLogFileName value="false" />
+    <appendToFile value="true" />
+    <maximumFileSize value="100KB" />
+    <maxSizeRollBackups value="2" />
+    <threshold value="All" />
+
+    <layout type="log4net.Layout.PatternLayout">
+      <conversionPattern value="%date %-5level %logger [%property{NDC}] - %message%newline" />
+    </layout>
+  </appender>
+
+  <appender name="ErrorRollingFile" type="log4net.Appender.RollingFileAppender">
+    <file value="log\" />
+    <datePattern value="dd.MM.yyyy'.err'" />
+    <staticLogFileName value="false" />
+    <appendToFile value="true" />
+    <maximumFileSize value="100KB" />
+    <maxSizeRollBackups value="2" />
+    <threshold value="Warn" />
+
+    <layout type="log4net.Layout.PatternLayout">
+      <conversionPattern value="%level %logger - %message%newline" />
+    </layout>
+  </appender>
+
+  <root>
+    <level value="ALL" />
+    <appender-ref ref="AllRollingFile" />
+    <appender-ref ref="ErrorRollingFile" />
+  </root>
+</log4net>
\ No newline at end of file