diff --git a/src/backend/server/Dockerfile b/src/backend/server/Dockerfile
index 0ef9e45..5fa65b8 100644
--- a/src/backend/server/Dockerfile
+++ b/src/backend/server/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/aspnet:6.0 AS base
+FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS base
 WORKDIR /app
 EXPOSE 80
 EXPOSE 443
diff --git a/src/backend/server/global.json b/src/backend/server/global.json
index f443bd4..03c8fa0 100644
--- a/src/backend/server/global.json
+++ b/src/backend/server/global.json
@@ -1,7 +1,7 @@
 {
   "sdk": {
-    "version": "6.0",
+    "version": "8.0",
     "rollForward": "latestMajor",
     "allowPrerelease": true
   }
-}
\ No newline at end of file
+}
diff --git a/src/backend/server/src/Todo.Api/Todo.Api.csproj b/src/backend/server/src/Todo.Api/Todo.Api.csproj
index 26dce37..ffb6cbb 100644
--- a/src/backend/server/src/Todo.Api/Todo.Api.csproj
+++ b/src/backend/server/src/Todo.Api/Todo.Api.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
         <Nullable>enable</Nullable>
     </PropertyGroup>
diff --git a/src/backend/server/src/Todo.Core/DependencyInjection.cs b/src/backend/server/src/Todo.Core/DependencyInjection.cs
index 5bf4359..3fc5113 100644
--- a/src/backend/server/src/Todo.Core/DependencyInjection.cs
+++ b/src/backend/server/src/Todo.Core/DependencyInjection.cs
@@ -11,5 +11,5 @@ namespace Todo.Core;
 public static class DependencyInjection
 {
     public static IServiceCollection AddCore(this IServiceCollection services)
-        => services.AddMediatR(Assembly.GetExecutingAssembly());
-}
\ No newline at end of file
+        => services.AddMediatR(cfg => cfg.RegisterServicesFromAssembly(Assembly.GetExecutingAssembly()));
+}
diff --git a/src/backend/server/src/Todo.Core/Todo.Core.csproj b/src/backend/server/src/Todo.Core/Todo.Core.csproj
index a02eecc..d1ef0eb 100644
--- a/src/backend/server/src/Todo.Core/Todo.Core.csproj
+++ b/src/backend/server/src/Todo.Core/Todo.Core.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <Nullable>enable</Nullable>
     </PropertyGroup>
 
@@ -15,7 +15,6 @@
 
     <ItemGroup>
         <PackageReference Include="Mediatr" Version="12.2.0" />
-        <PackageReference Include="Mediatr.Extensions.Microsoft.DependencyInjection" Version="11.1.0" />
     </ItemGroup>
 
 </Project>
diff --git a/src/backend/server/src/Todo.Infrastructure/DependencyInjection.cs b/src/backend/server/src/Todo.Infrastructure/DependencyInjection.cs
index 4a55689..3f290e5 100644
--- a/src/backend/server/src/Todo.Infrastructure/DependencyInjection.cs
+++ b/src/backend/server/src/Todo.Infrastructure/DependencyInjection.cs
@@ -66,4 +66,4 @@ public class GiteaAuthOptions
 
     [Required]
     public string ClientSecret { get; init; }
-}
\ No newline at end of file
+}
diff --git a/src/backend/server/src/Todo.Infrastructure/Todo.Infrastructure.csproj b/src/backend/server/src/Todo.Infrastructure/Todo.Infrastructure.csproj
index 4d309e5..8e11a5e 100644
--- a/src/backend/server/src/Todo.Infrastructure/Todo.Infrastructure.csproj
+++ b/src/backend/server/src/Todo.Infrastructure/Todo.Infrastructure.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
     </PropertyGroup>
diff --git a/src/backend/server/src/Todo.Persistence/Todo.Persistence.csproj b/src/backend/server/src/Todo.Persistence/Todo.Persistence.csproj
index d6cbfc3..c10a0c0 100644
--- a/src/backend/server/src/Todo.Persistence/Todo.Persistence.csproj
+++ b/src/backend/server/src/Todo.Persistence/Todo.Persistence.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <Nullable>enable</Nullable>
     </PropertyGroup>
 
diff --git a/src/docker-compose.yml b/src/docker-compose.yml
index 573ca06..52b20bf 100644
--- a/src/docker-compose.yml
+++ b/src/docker-compose.yml
@@ -21,6 +21,8 @@ services:
       MONGODB__Host: db
       MONGODB__Port: 27017
       MONGODB__Database: todo
+    env_file:
+      - .env
     depends_on:
       - db