Skip to content
Clean Lambda Function
Lean Mean Clean Apps

Five templates, one search box. Everything in the docs is in here, including the bits we hoped you'd skim.

Try one of these

Results say which template they came from, so you won't end up reading about Lambda when you wanted GraphQL. Again.

A Lean Mean Clean Apps template for .NET 10

Clean Architecture for AWS Lambda, minus the ceremony.

A .NET 10 template that gives you a tested, layered Lambda function in two commands. Fewer layers than an onion, more than a sandwich.

Get startedView on GitHub
dotnet new install CleanLambdaFunction.Template
dotnet new cleanlambdafunction --name Acme.Reviews --authorName "Your Name"
cd Acme.Reviews && docker compose up -d

Three layers, the tests, a Dockerfile and a CI pipeline. Go and tell your team you've been working on it all week.

What’s in the box

Section titled “What’s in the box”

Lean Mean Clean Architecture

Presentation, Application and Infrastructure, with one job each. Infrastructure is internal, so it can’t sneak into places it doesn’t belong.

Cold starts, but quicker

Source-generated JSON, Mediator and Mapperly mean no reflection when Lambda wakes your function up.

Tested like it matters

xUnit, Shouldly and a 95% coverage gate. Every test gets its own throwaway SQLite database, so nobody steps on anybody’s toes.

Runs on your laptop

The container image includes the Lambda runtime emulator. Build it, run it, curl it. No AWS account needed until you’re ready.

Pick your path

Section titled “Pick your path”
Get startedInstall the template and invoke your first function in about five minutes.
Add a functionExpose a new query from the Application layer as a Lambda function.
Function referenceRequests, responses and errors for every function.
How it's builtThe pipeline, the coverage gate and the scanners keeping everyone honest.

One of five

Section titled “One of five”

Clean Lambda Function is one of five Lean Mean Clean Apps templates. They share the same Application and Infrastructure layers, the same tests and the same pipeline. Only Presentation changes. Like a family, really. Same genes, different haircuts.

Clean Minimal APIASP.NET Core Minimal APIsClean Model Context ProtocolModel Context Protocol serversClean GraphQL APIGraphQL on Hot ChocolateClean Web APIASP.NET Core Web APIsClean Lambda FunctionAWS Lambda

Each template gets the same ring logo in its own colour. The rings follow the Clean Architecture diagram, from the entities in the core out to the frameworks and drivers on the edge. Lambda drew amber, which seemed fair for something that wakes up on demand and gets warm quickly. The logos, colours and everything else live in the brand kit.

Part of Lean Mean Clean Apps

Made by the Lean Mean Clean Apps team with Clean Architecture, strong coffee and a healthy disregard for pomp and ceremony. Not affiliated with Microsoft, AWS, Uncle Bob or anyone with a marketing budget.