custom-dockerfile/README.md

Environment Variables

Name	Description	Default Value
DERP_HOSTNAME	Specifies the domain for the DERP server.	example.com
DERP_CERTMODE	Determines the SSL/TLS certificate management mode. Options: manual, letsencrypt	letsencrypt
DERP_ADDR	Sets the server address and port to bind to.	:443

Volumes

Name	Description
/app/certs	Directory where SSL/TLS certificates are stored.

Usage

Running Directly with SSL/TLS

docker run -d --name derper \
  -p 443:443 -p 3478:3478 \
  -e DERP_DOMAIN=example.com \
  -e DERP_CERTMODE=manual \
  -v /path/to/certs:/app/certs \
  nite07/tailscale-derp-docker:latest

Running Behind a Reverse Proxy

docker run -d --name derper \
  -p 8080:80 -p 3478:3478 \
  -e DERP_DOMAIN=example.com \
  -e DERP_ADDR=:80 \
  nite07/tailscale-derp-docker:latest

Adding DERP servers to your tailnet

reference: https://tailscale.com/kb/1118/custom-derp-servers#step-2-adding-derp-servers-to-your-tailnet