lambda-hot-reloading

Lambda Hot Reloading

Key	Value
Services	Lambda
Integrations	AWS CLI, Terraform
Categories	Serverless; Developer Experience

Introduction

A collection of samples demonstrating LocalStack's Lambda hot reloading capability, which enables immediate reflection of code changes without redeployment. Hot reloading significantly accelerates development cycles by watching local file changes and automatically updating Lambda function code.

Sub-samples

Sample	Description
javascript	Hot reloading with a JavaScript Lambda function
typescript	Hot reloading with a TypeScript Lambda function
javascript-terraform	Hot reloading deployed via Terraform
javascript-terraform-layers	Hot reloading with Lambda layers via Terraform
lambda-typescript-webpack	TypeScript Lambda with Webpack bundling

Prerequisites

• A valid LocalStack for AWS license. Your license provides a LOCALSTACK_AUTH_TOKEN to activate LocalStack.
• Docker
• localstack CLI
• awslocal CLI
• Node.js with npm

Check prerequisites

make check

Installation

make install

Start LocalStack

export LOCALSTACK_AUTH_TOKEN=<your-auth-token>
make start

Deploy the Application

make deploy

Run the application

make run

Refer to the individual sub-sample READMEs for more details on each variant.

License

This code is available under the Apache 2.0 license.