[Support] Traefik GeoIP filter

Support topic for Traefik GeoIP filter: a Docker container that works as a GeoIP allow/blocklist middleware for Traefik. Uses the Maxmind GeoLite2 database.

Documentation is on Github: https://github.com/mpdcampbell/traefik-geoip-filter

Requirements

1. Make sure Traefik is on the same Docker network

2. Create a free account on MaxMind.com - then create a free license key in My Account

3. Configure Traefik with for a new Forwardauth middleware

Traefik configuration

There are different ways to apply this middleware in Traefik. E.g. using Docker labels or by adding it to your default http router (so it applies to all of your containers). These examples are for the latter.

Example for Traefik dynamic configuration (fileConfig.yml):

http: 
  middlewares: 
    geoip-filter:                   						 -- ADD THIS LINE
      forwardAuth: 											 -- ADD THIS LINE
        address: "http://traefik-geo-ipfilter:8080/traefik"  -- ADD THIS LINE
        trustForwardHeader: true 							 -- ADD THIS LINE
        maxResponseBodySize: 1048576 						 -- ADD THIS LINE

Example for Traefik static configuration (traefik.yml):

entryPoints: 
https: 
    address: :443 
    http: 
      middlewares:              -- ADD THIS LINE
        - geoip-filter@file     -- ADD THIS LINE