Træfik is a modern HTTP reverse proxy and load balancer that makes deploying microservices easy. Træfik integrates with your existing infrastructure components (Docker, Swarm mode, Kubernetes, Marathon, Consul, Etcd, Rancher, Amazon ECS, …) and configures itself automatically and dynamically. Pointing Træfik at your orchestrator should be the only configuration step you need.

Overview

Imagine that you have deployed a bunch of microservices with the help of an orchestrator (like Swarm or Kubernetes) or a service registry (like etcd or consul). Now you want users to access these microservices, and you need a reverse proxy.

Traditional reverse-proxies require that you configure each route that will connect paths and subdomains to each microservice. In an environment where you add, remove, kill, upgrade, or scale your services many times a day, the task of keeping the routes up to date becomes tedious.

This is when Træfik can help you!

Træfik listens to your service registry/orchestrator API and instantly generates the routes so your microservices are connected to the outside world — without further intervention from your part.

Features

  • Continuously updates its configuration (No restarts!)
  • Supports multiple load balancing algorithms
  • Provides HTTPS to your microservices by leveraging Let’s Encrypt (wildcard certificates support)
  • Circuit breakers, retry
  • High Availability with cluster mode (beta)
  • See the magic through its clean web UI
  • Websocket, HTTP/2, GRPC ready
  • Provides metrics (Rest, Prometheus, Datadog, Statsd, InfluxDB)
  • Keeps access logs (JSON, CLF)
  • Fast
  • Exposes a Rest API
  • Packaged as a single binary file (made with ❤️ with go) and available as a tiny official docker image

Supported Providers

  • Docker / Swarm mode
  • Kubernetes
  • Mesos / Marathon
  • Rancher (API, Metadata)
  • Azure Service Fabric
  • Consul Catalog
  • Consul / Etcd / Zookeeper / BoltDB
  • Eureka
  • Amazon ECS
  • Amazon DynamoDB
  • File
  • Rest

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