Custom Tailscale DERP Servers in Docker

Setup

DERP setup offical documentation https://tailscale.com/kb/1118/custom-derp-servers/

ENV	Description	Value	Required
DERP_HOSTNAME	hostname	my.domain.name	true
DERP_CERT_MODE	certificate mode	letsencrypt	false
DERP_CERT_DIR	directory to store LetsEncrypt certs(if addr's port is :443)	/certs	false
DERP_ADDR	listening address	:443	false
DERP_STUN	enable STUN server	true	false

Tailscale ACL

"derpMap": {
  "OmitDefaultRegions": true,
  "Regions": { "950": {
    "RegionID": 950,
    "RegionCode": "derp-ru-0",
    "Nodes": [{
        "Name": "1",
        "RegionID": 950,
        "HostName": "my.domain.name",
        "DERPPort": 443
    }]
  }}
}