Phase 1: Infrastructure Setup for .NET Framework to .NET Core Migration

.github/workflows/dotnet-core.yml

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+name: .NET Core CI/CD
+
+on:
+  push:
+    branches: [ master, main, 'devin/**' ]
+    paths:
+      - '**.Core/**'
+      - 'SampleMvcWebApp.Core.sln'
+      - '.github/workflows/dotnet-core.yml'
+  pull_request:
+    branches: [ master, main ]
+    paths:
+      - '**.Core/**'
+      - 'SampleMvcWebApp.Core.sln'
+      - '.github/workflows/dotnet-core.yml'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        dotnet-version: ['8.0.x']
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: ${{ matrix.dotnet-version }}
+
+    - name: Display .NET version
+      run: dotnet --version
+
+    - name: Restore dependencies
+      run: dotnet restore SampleMvcWebApp.Core.sln
+
+    - name: Build
+      run: dotnet build SampleMvcWebApp.Core.sln --no-restore --configuration Release
+
+    - name: Test
+      run: dotnet test SampleMvcWebApp.Core.sln --no-build --configuration Release --verbosity normal --logger "trx;LogFileName=test-results.trx"
+
+    - name: Upload test results
+      uses: actions/upload-artifact@v4
+      if: always()
+      with:
+        name: test-results
+        path: '**/TestResults/*.trx'
+
+  code-quality:
+    runs-on: ubuntu-latest
+    needs: build
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: '8.0.x'
+
+    - name: Restore dependencies
+      run: dotnet restore SampleMvcWebApp.Core.sln
+
+    - name: Build with analyzers
+      run: dotnet build SampleMvcWebApp.Core.sln --configuration Release /p:TreatWarningsAsErrors=false
+
+  docker-build:
+    runs-on: ubuntu-latest
+    needs: build
+    if: github.event_name == 'push'
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    - name: Build Docker image
+      uses: docker/build-push-action@v5
+      with:
+        context: .
+        file: ./Dockerfile
+        push: false
+        tags: samplemvcwebapp-core:${{ github.sha }}
+        cache-from: type=gha
+        cache-to: type=gha,mode=max

DataLayer.Core/Class1.cs

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+using System;
+
+namespace DataLayer.Core
+{
+    public class Class1
+    {
+
+    }
+}

DataLayer.Core/DataLayer.Core.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+  </PropertyGroup>
+
+</Project>

Dockerfile

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+# Dockerfile for SampleMvcWebApp.Core
+# Multi-stage build for optimized production image
+
+# Build stage
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+WORKDIR /src
+
+# Copy solution and project files first for better layer caching
+COPY ["SampleMvcWebApp.Core.sln", "./"]
+COPY ["SampleWebApp.Core/SampleWebApp.Core.csproj", "SampleWebApp.Core/"]
+COPY ["ServiceLayer.Core/ServiceLayer.Core.csproj", "ServiceLayer.Core/"]
+COPY ["DataLayer.Core/DataLayer.Core.csproj", "DataLayer.Core/"]
+COPY ["Tests.Core/Tests.Core.csproj", "Tests.Core/"]
+
+# Restore dependencies
+RUN dotnet restore "SampleMvcWebApp.Core.sln"
+
+# Copy all source code
+COPY ["SampleWebApp.Core/", "SampleWebApp.Core/"]
+COPY ["ServiceLayer.Core/", "ServiceLayer.Core/"]
+COPY ["DataLayer.Core/", "DataLayer.Core/"]
+COPY ["Tests.Core/", "Tests.Core/"]
+
+# Build the application
+WORKDIR "/src/SampleWebApp.Core"
+RUN dotnet build "SampleWebApp.Core.csproj" -c Release -o /app/build
+
+# Publish stage
+FROM build AS publish
+RUN dotnet publish "SampleWebApp.Core.csproj" -c Release -o /app/publish /p:UseAppHost=false
+
+# Runtime stage
+FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS final
+WORKDIR /app
+
+# Create non-root user for security
+RUN adduser --disabled-password --gecos '' appuser && chown -R appuser /app
+USER appuser
+
+# Copy published application
+COPY --from=publish /app/publish .
+
+# Expose port 80 (standard HTTP port for containers)
+EXPOSE 80
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:80/health || exit 1
+
+# Set environment variables
+ENV ASPNETCORE_URLS=http://+:80
+ENV ASPNETCORE_ENVIRONMENT=Production
+
+# Entry point
+ENTRYPOINT ["dotnet", "SampleWebApp.Core.dll"]

SampleMvcWebApp.Core.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SampleWebApp.Core", "SampleWebApp.Core\SampleWebApp.Core.csproj", "{B494479D-4B57-4548-86DF-53F81BA64A8C}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ServiceLayer.Core", "ServiceLayer.Core\ServiceLayer.Core.csproj", "{0FB9C08C-5C93-47A8-A4A7-F6478540EC17}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataLayer.Core", "DataLayer.Core\DataLayer.Core.csproj", "{7A8C860C-C6F6-431C-9ED2-51775A9F0B00}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Tests.Core", "Tests.Core\Tests.Core.csproj", "{815C19E1-E09B-4BC1-9AF9-DDB8ABD5F9F3}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|Any CPU = Release|Any CPU
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{B494479D-4B57-4548-86DF-53F81BA64A8C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B494479D-4B57-4548-86DF-53F81BA64A8C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B494479D-4B57-4548-86DF-53F81BA64A8C}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{B494479D-4B57-4548-86DF-53F81BA64A8C}.Debug|x64.Build.0 = Debug|Any CPU
+		{B494479D-4B57-4548-86DF-53F81BA64A8C}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{B494479D-4B57-4548-86DF-53F81BA64A8C}.Debug|x86.Build.0 = Debug|Any CPU
+		{B494479D-4B57-4548-86DF-53F81BA64A8C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B494479D-4B57-4548-86DF-53F81BA64A8C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B494479D-4B57-4548-86DF-53F81BA64A8C}.Release|x64.ActiveCfg = Release|Any CPU
+		{B494479D-4B57-4548-86DF-53F81BA64A8C}.Release|x64.Build.0 = Release|Any CPU
+		{B494479D-4B57-4548-86DF-53F81BA64A8C}.Release|x86.ActiveCfg = Release|Any CPU
+		{B494479D-4B57-4548-86DF-53F81BA64A8C}.Release|x86.Build.0 = Release|Any CPU
+		{0FB9C08C-5C93-47A8-A4A7-F6478540EC17}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0FB9C08C-5C93-47A8-A4A7-F6478540EC17}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0FB9C08C-5C93-47A8-A4A7-F6478540EC17}.Debug|x64.ActiveCfg = Debug|Any CPU
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+		{0FB9C08C-5C93-47A8-A4A7-F6478540EC17}.Debug|x86.Build.0 = Debug|Any CPU
+		{0FB9C08C-5C93-47A8-A4A7-F6478540EC17}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0FB9C08C-5C93-47A8-A4A7-F6478540EC17}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0FB9C08C-5C93-47A8-A4A7-F6478540EC17}.Release|x64.ActiveCfg = Release|Any CPU
+		{0FB9C08C-5C93-47A8-A4A7-F6478540EC17}.Release|x64.Build.0 = Release|Any CPU
+		{0FB9C08C-5C93-47A8-A4A7-F6478540EC17}.Release|x86.ActiveCfg = Release|Any CPU
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+		{7A8C860C-C6F6-431C-9ED2-51775A9F0B00}.Debug|x64.Build.0 = Debug|Any CPU
+		{7A8C860C-C6F6-431C-9ED2-51775A9F0B00}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{7A8C860C-C6F6-431C-9ED2-51775A9F0B00}.Debug|x86.Build.0 = Debug|Any CPU
+		{7A8C860C-C6F6-431C-9ED2-51775A9F0B00}.Release|Any CPU.ActiveCfg = Release|Any CPU
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+		{7A8C860C-C6F6-431C-9ED2-51775A9F0B00}.Release|x86.Build.0 = Release|Any CPU
+		{815C19E1-E09B-4BC1-9AF9-DDB8ABD5F9F3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{815C19E1-E09B-4BC1-9AF9-DDB8ABD5F9F3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{815C19E1-E09B-4BC1-9AF9-DDB8ABD5F9F3}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{815C19E1-E09B-4BC1-9AF9-DDB8ABD5F9F3}.Debug|x64.Build.0 = Debug|Any CPU
+		{815C19E1-E09B-4BC1-9AF9-DDB8ABD5F9F3}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{815C19E1-E09B-4BC1-9AF9-DDB8ABD5F9F3}.Debug|x86.Build.0 = Debug|Any CPU
+		{815C19E1-E09B-4BC1-9AF9-DDB8ABD5F9F3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{815C19E1-E09B-4BC1-9AF9-DDB8ABD5F9F3}.Release|Any CPU.Build.0 = Release|Any CPU
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+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

SampleWebApp.Core/Program.cs

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+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+app.UseHttpsRedirection();
+
+var summaries = new[]
+{
+    "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
+};
+
+app.MapGet("/weatherforecast", () =>
+{
+    var forecast =  Enumerable.Range(1, 5).Select(index =>
+        new WeatherForecast
+        (
+            DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
+            Random.Shared.Next(-20, 55),
+            summaries[Random.Shared.Next(summaries.Length)]
+        ))
+        .ToArray();
+    return forecast;
+})
+.WithName("GetWeatherForecast")
+.WithOpenApi();
+
+app.Run();
+
+record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary)
+{
+    public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+}

SampleWebApp.Core/Properties/launchSettings.json

@@ -0,0 +1,25 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "http://localhost:5000",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "https://localhost:5001;http://localhost:5000",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

SampleWebApp.Core/SampleWebApp.Core.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.17" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ServiceLayer.Core\ServiceLayer.Core.csproj" />
+    <ProjectReference Include="..\DataLayer.Core\DataLayer.Core.csproj" />
+  </ItemGroup>
+
+</Project>

SampleWebApp.Core/SampleWebApp.Core.http

@@ -0,0 +1,6 @@
+@SampleWebApp.Core_HostAddress = http://localhost:5174
+
+GET {{SampleWebApp.Core_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###

SampleWebApp.Core/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

SampleWebApp.Core/appsettings.json

@@ -0,0 +1,12 @@
+{
+  "ConnectionStrings": {
+    "SampleWebAppDb": "Data Source=(localdb)\\mssqllocaldb;Initial Catalog=SampleWebAppDb;MultipleActiveResultSets=True;Integrated Security=SSPI;Trusted_Connection=True"
+  },
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}

ServiceLayer.Core/Class1.cs

@@ -0,0 +1,9 @@
+using System;
+
+namespace ServiceLayer.Core
+{
+    public class Class1
+    {
+
+    }
+}

ServiceLayer.Core/ServiceLayer.Core.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <ItemGroup>
+    <ProjectReference Include="..\DataLayer.Core\DataLayer.Core.csproj" />
+  </ItemGroup>
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+  </PropertyGroup>
+
+</Project>