(#85) Build: migrate to .NET 8

Author: ForNeVeR

Codingteam.Site/Codingteam.Site.fsproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>netcoreapp3.1</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <Version>1.1.0</Version>
     </PropertyGroup>
 
@@ -24,6 +24,6 @@
         <Compile Include="Program.fs" />
     </ItemGroup>
     <ItemGroup>
-      <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="3.1.6" />
+      <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="8.0.0" />
     </ItemGroup>
 </Project>

Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build-env
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build-env
 
 WORKDIR /app
 
@@ -9,7 +9,7 @@ COPY Codingteam.Site ./Codingteam.Site/
 RUN dotnet build --no-restore --configuration Release Codingteam.Site
 RUN dotnet publish --no-build --configuration Release --output publish Codingteam.Site
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.1
+FROM mcr.microsoft.com/dotnet/aspnet:8.0
 WORKDIR /app
 
 COPY --from=build-env /app/publish .