elsa-core/docs/codebase/STACK.md

Technology Stack

Runtime Summary

Area	Value	Evidence
Primary language	C# (LangVersion latest)	Directory.Build.props
Runtime	.NET 8, 9, and 10 for source projects	src/Directory.Build.props
Package manager	NuGet with central package management	Directory.Packages.props
Build system	MSBuild solution with NUKE wrappers	Elsa.sln, build/Build.cs, build.sh

Production Frameworks and Dependencies

Dependency	Version	Role	Evidence
FastEndpoints	target-dependent 7.1.1/7.2.0	HTTP endpoint framework	Directory.Packages.props
Entity Framework Core	target-dependent 9.0.17/10.0.9	Durable relational persistence	Directory.Packages.props
Microsoft.Extensions.Logging	target-dependent 9.0.17/10.0.9	Application logging	Directory.Packages.props

Development Toolchain

Tool	Purpose	Evidence
xUnit 2.9.3	Test framework	Directory.Packages.props, test/Directory.Build.props
NSubstitute 5.3.0	Test doubles	Directory.Packages.props
coverlet	Coverage with a 10% project threshold	test/Directory.Build.props

Key Commands

dotnet build Elsa.sln
dotnet test Elsa.sln
dotnet test test/integration/Elsa.ExternalAuthentication.IntegrationTests/Elsa.ExternalAuthentication.IntegrationTests.csproj
./build.sh Test

Environment and Config

• ASP.NET Core applications use appsettings*.json and environment-variable overrides.
• Production source enables nullable reference types and implicit usings.
• External Authentication supports in-memory defaults and optional EF Core providers.

Evidence

• Directory.Build.props
• src/Directory.Build.props
• test/Directory.Build.props
• Directory.Packages.props