Traefik : Reverse Proxy for Docker Containers on Ubuntu 16.04

In our previous guides, we focussed on basics around Docker in Docker Tutorials as part 1, part 2, part 3 and part 4. With Traefik, we can manage configuration dynamically. Here is a Guide on How to Install and Configure Traefik as Reverse Proxy for Docker Containers on Ubuntu 16.04. Official Traefik website is here :

Of course they have a Docker image too :

 

Traefik : Reverse Proxy for Docker Containers on Ubuntu 16.04

 

First update and upgrade :

Then install Apache Utilities for easy generation of password :

Then generate the password with htpasswd. In our below example command, password is your password (which you should change) for the user admin (which you should change) :

You’ll get an encrypted output. Copy-paste and save it. We need to create a configuration file named traefik.toml. We can create it by opening a new file :

We will write this entry :

Next, we need to configure the way to get access to a dashboard interface. This is where we will need to paste the output from the htpasswd command :

We will add more entries for the configuration file :

Next we need to create a Docker network for the proxy to share with containers :

After starting Traefik container, we will add it to this network. Then you can add your other containers to this network later for Traefik to proxy. Create an empty file for Let’s Encrypt information :

Finally you’ll run command to run Traefik where test.yourdomain.com is your subdomain for Traefik :

You will manage web applications with Docker Compose using a docker-compose.yml file:

With the content :

The above is an example to use WordPress official Docker image. Run this commands substituting with real value :

Now run the containers using docker-compose:

Now if you go to that Traefik subdomain, you’ll see the dashboard. You have to install the web software for other subdomains like you normally do.

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