feat: add tailscale exit node

docker/tailscale/docker-compose.yml

@@ -0,0 +1,18 @@
+---
+services:
+  tailscale:
+    image: tailscale/tailscale:v1.92.4
+    hostname: tailscale
+    environment:
+      TS_AUTHKEY: ${TS_AUTHKEY}
+      TS_HOSTNAME: ${TS_HOSTNAME:-docker-exit-node}
+      TS_EXTRA_ARGS: ${TS_EXTRA_ARGS:---advertise-exit-node}
+      TS_ROUTES: ${TS_ROUTES:-192.168.1.0/24}
+      TS_STATE_DIR: /var/lib/tailscale
+    volumes:
+      - ${TS_VOLUME:-/mnt/nas1/shared/tailscale}:/var/lib/tailscale
+    devices:
+      - /dev/net/tun:/dev/net/tun
+    cap_add:
+      - net_admin
+    restart: unless-stopped

docker/tailscale/sample.env

@@ -0,0 +1,5 @@
+TS_AUTHKEY=
+TS_HOSTNAME=docker-exit-node
+TS_EXTRA_ARGS=--advertise-exit-node
+TS_ROUTES=192.168.1.0/24
+TS_VOLUME=/mnt/nas1/shared/tailscale