command module
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Published: Oct 28, 2019 License: MIT Imports: 0 Imported by: 0



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

. Overview . Features . Supported backends . Quickstart . Web UI . Test it . Documentation .

. Support . Release cycle . Contributing . Maintainers . Plumbing . Credits .


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 Traefik can help you!

Traefik 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.

Run Traefik and let it do the work for you! (But if you'd rather configure some of your routes manually, Traefik supports that too!)



  • 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 Backends


To get your hands on Traefik, you can use the 5-Minute Quickstart in our documentation (you will need Docker).

Alternatively, if you don't want to install anything on your computer, you can try Traefik online in this great Katacoda tutorial that shows how to load balance requests between multiple Docker containers.

If you are looking for a more comprehensive and real use-case example, you can also check Play-With-Docker to see how to load balance between multiple nodes.

Web UI

You can access the simple HTML frontend of Traefik.

Web UI Providers Web UI Health


You can find the complete documentation at A collection of contributions around Traefik can be found at


To get community support, you can:

  • join the Traefik community Slack channel:
  • use Stack Overflow (using the traefik tag)

If you need commercial support, please contact by mail:


./traefik --configFile=traefik.toml
docker run -d -p 8080:8080 -p 80:80 -v $PWD/traefik.toml:/etc/traefik/traefik.toml traefik
  • Or get the sources:
git clone

Introductory Videos

Here is a talk given by Emile Vauge at GopherCon 2017. You will learn Traefik basics in less than 10 minutes.

Traefik GopherCon 2017

Here is a talk given by Ed Robinson at ContainerCamp UK conference. You will learn fundamental Traefik features and see some demos with Kubernetes.

Traefik ContainerCamp UK


Information about process and maintainers


If you'd like to contribute to the project, refer to the contributing documentation.

Please note that this project is released with a Contributor Code of Conduct. By participating in this project, you agree to abide by its terms.

Release Cycle

  • We release a new version (e.g. 1.1.0, 1.2.0, 1.3.0) every other month.
  • Release Candidates are available before the release (e.g. 1.1.0-rc1, 1.1.0-rc2, 1.1.0-rc3, 1.1.0-rc4, before 1.1.0)
  • Bug-fixes (e.g. 1.1.1, 1.1.2, 1.2.1, 1.2.3) are released as needed (no additional features are delivered in those versions, bug-fixes only)

Each version is supported until the next one is released (e.g. 1.1.x will be supported until 1.2.0 is out)

We use Semantic Versioning

Mailing lists


Kudos to Peka for his awesome work on the logo logo.

Traefik's logo is licensed under the Creative Commons 3.0 Attributions license.

Traefik's logo was inspired by the gopher stickers made by Takuya Ueda ( The original Go gopher was designed by Renee French (


The Go Gopher

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Source Files


Path Synopsis
Simple program to start a web server on a specified port
Simple program to start a web server on a specified port
Package h2c implements the h2c part of HTTP/2.
Package h2c implements the h2c part of HTTP/2.
Package helloworld is a generated protocol buffer package.
Package helloworld is a generated protocol buffer package.
Package mocks Code generated by mockery v1.0.0.
Package mocks Code generated by mockery v1.0.0.

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