kb: use tun mode in docker example

If we're passing `/dev/net/tun` to the container, we should probably
be actually using it.

Fixes tailscale/tailscale#11219

Signed-off-by: Anton Tolchanov <[email protected]>

Author: knyar

01-authkey/compose.yaml

@@ -8,6 +8,7 @@ services:
     environment:
       - TS_AUTHKEY=tskey-auth-kV7bYL6CNTRL-GXXhAHWhHXAVTcumJyyxXAc2cyjxQ3QkD
       - TS_STATE_DIR=/var/lib/tailscale
+      - TS_USERSPACE=false
     volumes:
       - ${PWD}/ts-authkey-test/state:/var/lib/tailscale
       - /dev/net/tun:/dev/net/tun
@@ -17,4 +18,4 @@ services:
     restart: unless-stopped
   nginx-authkey-test:
     image: nginx
-    network_mode: service:ts-authkey-test
+    network_mode: service:ts-authkey-test

02-oauth/compose.yaml

@@ -9,6 +9,7 @@ services:
       - TS_AUTHKEY=tskey-client-kwLoXj6CNTRL-vCLN9Ab8QYYoLSEM98riXYLnfmtej6Lh?ephemeral=true
       - TS_EXTRA_ARGS=--advertise-tags=tag:container
       - TS_STATE_DIR=/var/lib/tailscale
+      - TS_USERSPACE=false
     volumes:
       - ${PWD}/ts-oauth-test/state:/var/lib/tailscale
       - /dev/net/tun:/dev/net/tun

04-ts-mealie/compose.yaml

@@ -10,6 +10,7 @@ services:
       - "TS_EXTRA_ARGS=--advertise-tags=tag:container --reset"
       - TS_SERVE_CONFIG=/config/mealie.json
       - TS_STATE_DIR=/var/lib/tailscale
+      - TS_USERSPACE=false
     volumes:
       - ${PWD}/state:/var/lib/tailscale
       - ${PWD}/config:/config
@@ -34,4 +35,4 @@ volumes:
   mealie-data:
     driver: local
   ts-mealie:
-    driver: local
+    driver: local