How to Ensure fixed IPv6 Address for Husarnet VPN in Docker Container

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1

Hi,

I’ve integrated Husarnet VPN as a sidecar image into my Docker Compose setup. However, each time I stop and rebuild the Docker container, Husarnet assigns a new IPv6 address to the container. This requires me to update all configurations related to the IPv6 address, including FastDDS and other dependencies.

Is there a way to ensure that the IPv6 address assigned by Husarnet VPN to the Docker container remains fixed, even after stopping and rebuilding the container?

Thank you!

2

Hello,

yes, of course there is. Husarnet identity is stored in /var/lib/husarnet. You need to set this folder as a Docker volume like this:

  husarnet:
    image: husarnet/husarnet:latest

    volumes:
      # This will persist your Husarnet Client keys, thus IP of the container
      # will be stable/the same between (re)boots.
      # Feel free to choose any volume storage method of your liking
      - ./husarnet-config:/var/lib/husarnet

See more at:

Best regards,
Szymon

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