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Couper

Go Test Go Report Docker

Couper

Couper is a lightweight API gateway designed to support developers in building and operating API-driven Web projects.

Getting started

Features

Couper …

  • is a proxy component connecting clients with (micro) services
  • adds access control and observability to the project
  • needs no special development skills
  • is easy to configure & integrate
  • runs on Linux, Mac OS X, Windows, Docker and Kubernetes.

Key features are:

  • Easy Configuration & Deployment
  • HTTP Request Routing / Forwarding
  • Custom Requests and Responses
  • Request / Response Manipulation
  • Centralized Access-Control Layer:
    • Basic-Auth
    • JWT Validation & Signing
    • Single Sign On with SAML2
    • OAuth2 Client Credentials
    • OpenID-connect
  • Configurable Service Connectivity
  • Upstream Validation & CORS
  • SPA & Web Serving
    • inject server data / environment variables to your SPA
  • Error Handling
  • Observability
    • Prometheus exporter
  • Security with mTLS support as server and for backend services

The full list of features of Couper 1.x is here or at couper.io.

Developers

Developers requiring Go to start with make build. Couper requires a configuration file. You can start with a simple one and use:

./couper run -f public/couper.hcl

Contributing

Thanks for your interest in contributing.

If you have any questions or feedback you are welcome to start a discussion.

If you have an issue please open an issue.