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LangFuse ECR/ECS Deployment CDK

This repository contains the AWS CDK TypeScript code for deploying the LangFuse application using Amazon Elastic Container Registry (ECR) and Amazon Elastic Container Service (ECS).

Table of Contents

Stacks

The repository defines multiple CDK stacks for deploying the various components of the LangFuse application:

  • LangfuseEcrDeploymentCdkStack: Deploys Docker images to an Amazon ECR repository.
  • LangfuseVpcDeploymentCdkStack: Deploys a VPC suitable for ECS deployments.
  • CdkPostgreSQLDeploymentStack: Deploys a PostgreSQL database instance.
  • CdkFargateWithVpcDeploymentStack: Deploys the application using AWS Fargate within a VPC.
  • CdkAppRunnerWithVpcDeploymentStack: Deploys the application using AWS App Runner with a VPC connector.

Configuration

Environment Variables

The deployment configuration relies on environment variables defined in a .env file. An example of the .env file content is provided in the file .env.example.

Usage

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To use this repository, ensure that you have AWS CDK installed and configured with appropriate AWS credentials. Clone the repository, install dependencies, and run the deployment scripts as needed.

Scripts

  • build: Compiles TypeScript to JavaScript.
  • npm run build compile typescript to js
  • npm run watch watch for changes and compile
  • npm run test perform the jest unit tests
  • npx cdk deploy deploy this stack to your default AWS account/region
  • npx cdk diff compare deployed stack with current state
  • npx cdk synth emits the synthesized CloudFormation template

Dependencies

Development Dependencies

  • @types/jest: TypeScript definitions for Jest.
  • @types/node: TypeScript definitions for Node.js.
  • aws-cdk: AWS Cloud Development Kit.
  • jest: JavaScript testing framework.
  • ts-jest: Jest transformer for TypeScript.
  • ts-node: TypeScript execution environment for node.
  • typescript: TypeScript language support.

Production Dependencies

  • @aws-cdk/aws-apprunner-alpha: AWS CDK App Runner resources.
  • @cdklabs/cdk-ecs-codedeploy: AWS CDK library for ECS CodeDeploy.
  • aws-cdk-lib: AWS CDK standard library.
  • cdk-ecr-deployment: AWS CDK construct library to deploy Docker images to ECR.
  • constructs: Constructs programming model for CDK.
  • dotenv: Loads environment variables from a .env file.
  • source-map-support: Source map support for stack traces in node.

License

This repository is licensed under the MIT License. See the LICENSE file for details.