diff --git a/.config/dotnet-tools.json b/.config/dotnet-tools.json
deleted file mode 100644
index 952d361b7260d2209a0308fe8b6221679099ffa6..0000000000000000000000000000000000000000
--- a/.config/dotnet-tools.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-  "version": 1,
-  "isRoot": true,
-  "tools": {
-    "gitversion.tool": {
-      "version": "5.6.4",
-      "commands": [
-        "dotnet-gitversion"
-      ]
-    },
-    "dotnet-version-cli": {
-      "version": "2.1.1",
-      "commands": [
-        "dotnet-version"
-      ]
-    }
-  }
-}
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 69845dd23b91bf36aca2259ce2977bfc9e345bfb..919fbcce6fc84fbfce0aaf71233447708c9d1667 100644
--- a/.gitignore
+++ b/.gitignore
@@ -269,5 +269,5 @@ tools/*
 !tools/packages.config
 dist/
 
-#linq2db
-**/LinqToDB.Templates/**
+# Dotnet Tool Manifest
+.config/*
diff --git a/src/ApiCommons.Tests/ApiCommons.Tests.csproj b/src/ApiCommons.Tests/ApiCommons.Tests.csproj
index 359debfa3b196ad161e57706c032440d3c0e319e..19f2f7d3e1e24c152b2cb8ebc84e8f302b6f6295 100644
--- a/src/ApiCommons.Tests/ApiCommons.Tests.csproj
+++ b/src/ApiCommons.Tests/ApiCommons.Tests.csproj
@@ -3,23 +3,14 @@
 		<OutputType>Library</OutputType>
 		<RootNamespace>ApiCommons.Tests</RootNamespace>
 		<AssemblyName>ApiCommons.Tests</AssemblyName>
-		<TargetFrameworks>net5.0;net461</TargetFrameworks>
+		<TargetFramework>net5.0</TargetFramework>
 	</PropertyGroup>
 	<ItemGroup>
-		<PackageReference Include="Consul" Version="1.6.1.1" />
-		<PackageReference Include="Coscine.Configuration" Version="*-*" />
-		<PackageReference Include="Coscine.Database" Version="*-*" />
-		<PackageReference Include="Coscine.Logging" Version="*-*" />
-		<PackageReference Include="EntityFramework" Version="6.4.4" />
-		<PackageReference Include="linq2db" Version="3.2.3" />
-		<PackageReference Include="LinqKit" Version="1.1.22" />
-		<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="5.0.0" />
-		<PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
-		<PackageReference Include="NLog" Version="4.7.7" />
-		<PackageReference Include="NLog.Config" Version="4.7.7" />
-		<PackageReference Include="NLog.Schema" Version="4.7.7" />
+		<ProjectReference Include="..\apicommons\ApiCommons.csproj" />
+	</ItemGroup>
+	<ItemGroup>
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3" />
-		<PackageReference Include="NUnit" Version="3.13.0" />
+		<PackageReference Include="NUnit" Version="3.13.1" />
 		<PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
 	</ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/src/ApiCommons.Tests/Properties/AssemblyInfo.cs b/src/ApiCommons.Tests/Properties/AssemblyInfo.cs
deleted file mode 100644
index 184c1846400031939609531a45b5530066581fe2..0000000000000000000000000000000000000000
--- a/src/ApiCommons.Tests/Properties/AssemblyInfo.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-//------------------------------------------------------------------------------
-// <auto-generated>
-//     This code was generated by Cake.
-// </auto-generated>
-//------------------------------------------------------------------------------
-using System.Reflection;
-
-[assembly: AssemblyDescription("ApiCommons.Tests is a part of the CoScInE group.")]
-[assembly: AssemblyCopyright("2021 IT Center, RWTH Aachen University")]
\ No newline at end of file
diff --git a/src/ApiCommons/AbstractDefaultStartup.cs b/src/ApiCommons/AbstractDefaultStartup.cs
index 0f16393fdc0237bd441fe5e30c418884d69a19d4..30fa1830e2ddbbd84c553a34272a52aca2cb2fc0 100644
--- a/src/ApiCommons/AbstractDefaultStartup.cs
+++ b/src/ApiCommons/AbstractDefaultStartup.cs
@@ -1,10 +1,9 @@
 using Coscine.ApiCommons.Middleware;
 using Coscine.Configuration;
-using Coscine.Database.Settings;
-using LinqToDB.Data;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace Coscine.ApiCommons
@@ -39,28 +38,32 @@ namespace Coscine.ApiCommons
         {
             ConfigureServicesExtension(services);
 
-            services.AddMvc();
+            services.Configure<KestrelServerOptions>(options =>
+            {
+                options.AllowSynchronousIO = true;
+            });
+            services.AddControllersWithViews().AddNewtonsoftJson();
 
             ConfigureServicesExtensionLate(services);
         }
 
-        public virtual void ConfigureExtension(IApplicationBuilder app, IHostingEnvironment env)
+        public virtual void ConfigureExtension(IApplicationBuilder app, IWebHostEnvironment env)
         {
 
         }
 
         // Add Middlewares which need the User to be existent
-        public virtual void ConfigureExtensionMiddleware(IApplicationBuilder app, IHostingEnvironment env)
+        public virtual void ConfigureExtensionMiddleware(IApplicationBuilder app, IWebHostEnvironment env)
         {
 
         }
 
-        public virtual void ConfigureExtensionLate(IApplicationBuilder app, IHostingEnvironment env)
+        public virtual void ConfigureExtensionLate(IApplicationBuilder app, IWebHostEnvironment env)
         {
 
         }
 
-        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
         {
             ConfigureExtension(app, env);
 
@@ -68,7 +71,7 @@ namespace Coscine.ApiCommons
 
             app.UseMiddleware<LoggingMiddleware>();
             app.UseCors(builder => builder
-            .AllowAnyOrigin()
+            .SetIsOriginAllowed(_ => true)
             .AllowAnyMethod()
             .AllowAnyHeader()
             .AllowCredentials());
@@ -78,7 +81,15 @@ namespace Coscine.ApiCommons
             ConfigureExtensionMiddleware(app, env);
 
             app.UsePathBase(_basePath);
-            app.UseMvc();
+
+            app.UseRouting();
+
+            app.UseAuthorization();
+
+            app.UseEndpoints(endpoints =>
+            {
+                endpoints.MapControllers();
+            });
 
             app.UseStatusCodePages(async context =>
             {
@@ -89,8 +100,6 @@ namespace Coscine.ApiCommons
                     context.HttpContext.Response.StatusCode);
             });
 
-            DataConnection.DefaultSettings = new CoscineSettings(_configuration);
-
             ConfigureExtensionLate(app, env);
         }
     }
diff --git a/src/ApiCommons/AbstractStartup.cs b/src/ApiCommons/AbstractStartup.cs
index f10de52ec9280780d94f56efa4a93f0f3932fe22..30bf19edba31de5885ae9cd743edabd448ecfabc 100644
--- a/src/ApiCommons/AbstractStartup.cs
+++ b/src/ApiCommons/AbstractStartup.cs
@@ -3,6 +3,7 @@ using Coscine.JwtHandler;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.IdentityModel.Tokens;
 using NSwag;
@@ -29,7 +30,11 @@ namespace Coscine.ApiCommons
         {
             ConfigureServicesExtension(services);
 
-            services.AddMvc();
+            services.Configure<KestrelServerOptions>(options =>
+            {
+                options.AllowSynchronousIO = true;
+            });
+            services.AddControllersWithViews().AddNewtonsoftJson();
 
             var key = _jWTHandler.GetSecurityKey();
             services.AddAuthentication(x =>
@@ -79,14 +84,14 @@ namespace Coscine.ApiCommons
             });
         }
 
-        public override void ConfigureExtensionMiddleware(IApplicationBuilder app, IHostingEnvironment env)
+        public override void ConfigureExtensionMiddleware(IApplicationBuilder app, IWebHostEnvironment env)
         {
             base.ConfigureExtensionMiddleware(app, env);
 
             app.UseMiddleware<TOSMiddleware>();
         }
 
-        public override void ConfigureExtensionLate(IApplicationBuilder app, IHostingEnvironment env)
+        public override void ConfigureExtensionLate(IApplicationBuilder app, IWebHostEnvironment env)
         {
             base.ConfigureExtensionLate(app, env);
 
diff --git a/src/ApiCommons/ApiCommons.csproj b/src/ApiCommons/ApiCommons.csproj
index edfd7f5338efa947abffb8dff2cc3fbedb7d1193..130a6567a1f28ea4a89b333c442f64c42116a870 100644
--- a/src/ApiCommons/ApiCommons.csproj
+++ b/src/ApiCommons/ApiCommons.csproj
@@ -1,39 +1,36 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
 		<OutputType>Library</OutputType>
 		<RootNamespace>Coscine.ApiCommons</RootNamespace>
 		<AssemblyName>Coscine.ApiCommons</AssemblyName>
-		<TargetFrameworks>net5.0;net461</TargetFrameworks>
-	<Version>1.12.0</Version></PropertyGroup>
+		<TargetFramework>net5.0</TargetFramework>
+		<Version>1.12.0</Version>
+	</PropertyGroup>
 	<PropertyGroup>
-		<SignAssembly>true</SignAssembly>
+		<Authors>RWTH Aachen University</Authors>
+		<Company>IT Center, RWTH Aachen University</Company>
+		<Copyright>2021 IT Center, RWTH Aachen University</Copyright>
+		<Description>ApiCommons is a part of the Coscine group.</Description>
+		<PackageLicenseExpression>MIT</PackageLicenseExpression>
+		<PackageProjectUrl>https://git.rwth-aachen.de/coscine/backend/libraries/ApiCommons</PackageProjectUrl>
+		<PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
 	</PropertyGroup>
 	<PropertyGroup>
+		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 	</PropertyGroup>
 	<ItemGroup>
 		<None Include="key.snk" />
 	</ItemGroup>
 	<ItemGroup>
-		<PackageReference Include="Coscine.Database" Version="*-*" />
-		<PackageReference Include="Coscine.Configuration" Version="*-*" />
-		<PackageReference Include="Coscine.JwtHandler" Version="*-*" />
-		<PackageReference Include="Coscine.Logging" Version="*-*" />
+		<PackageReference Include="Coscine.Database" Version="2.*-*" />
+		<PackageReference Include="Coscine.JwtHandler" Version="2.*-*" />
+		<PackageReference Include="Coscine.Logging" Version="2.*-*" />
 		<PackageReference Include="linq2db" Version="3.2.3" />
-		<PackageReference Include="Microsoft.AspNetCore.Authentication" Version="2.2.0" />
-		<PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="2.2.0" />
-		<PackageReference Include="Microsoft.AspNetCore.Diagnostics" Version="2.2.0" />
-		<PackageReference Include="Microsoft.AspNetCore.Hosting" Version="2.2.7" />
-		<PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="2.2.0" />
-		<PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="2.2.0" />
-		<PackageReference Include="Microsoft.AspNetCore.Http.Extensions" Version="2.2.0" />
-		<PackageReference Include="Microsoft.AspNetCore.Mvc" Version="2.2.0" />
-		<PackageReference Include="Newtonsoft.Json.Bson" Version="1.0.2" />
+		<PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="5.0.3" />
+		<PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="5.0.3" />
 		<PackageReference Include="NLog" Version="4.7.7" />
-		<PackageReference Include="NLog.Config" Version="4.7.7" />
-		<PackageReference Include="NLog.Schema" Version="4.7.7" />
 		<PackageReference Include="NLog.Web.AspNetCore" Version="4.10.0" />
-		<PackageReference Include="NSwag.AspNetCore" Version="13.10.1" />
-		<PackageReference Include="System.Collections" Version="4.3.0" />
+		<PackageReference Include="NSwag.AspNetCore" Version="13.10.2" />
 	</ItemGroup>
 </Project>
diff --git a/src/ApiCommons/ApiCommons.nuspec b/src/ApiCommons/ApiCommons.nuspec
deleted file mode 100644
index 28f5403a7794f835e3f58b3e2cbcb37210016f8f..0000000000000000000000000000000000000000
--- a/src/ApiCommons/ApiCommons.nuspec
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0"?>
-<package >
-  <metadata>
-    <id>$id$</id>
-    <version>$version$</version>
-    <title>$title$</title>
-    <authors>rwth-aachen</authors>
-    <owners>rwth-aachen</owners>
-    <license type="expression">MIT</license>
-    <projectUrl>https://git.rwth-aachen.de/coscine/cs/apicommons</projectUrl>
-    <requireLicenseAcceptance>false</requireLicenseAcceptance>
-    <description>$description$</description>
-    <copyright>$copyright$</copyright>
-  </metadata>
-</package>
\ No newline at end of file
diff --git a/src/ApiCommons/Properties/AssemblyInfo.cs b/src/ApiCommons/Properties/AssemblyInfo.cs
deleted file mode 100644
index 7613a03cc7e2adf9c50b492c73769e4f72bc2576..0000000000000000000000000000000000000000
--- a/src/ApiCommons/Properties/AssemblyInfo.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-//------------------------------------------------------------------------------
-// <auto-generated>
-//     This code was generated by Cake.
-// </auto-generated>
-//------------------------------------------------------------------------------
-using System.Reflection;
-
-[assembly: AssemblyDescription("ApiCommons is a part of the CoScInE group.")]
-[assembly: AssemblyCopyright("2021 IT Center, RWTH Aachen University")]
\ No newline at end of file