chore: enhance Tailscale Docker Compose configuration with IP forwarding

- Remove comments for SYS_MODULE and TS_USERSPACE for cleaner configuration.
- Add sysctls to enable IP forwarding for both IPv4 and IPv6, improving routing capabilities.

Author: theboringhumane

server/docker-compose-tailscale.yml

@@ -36,20 +36,23 @@ services:
     hostname: port.tcp.go
     cap_add:
       - NET_ADMIN
-      - SYS_MODULE  # Add this for better kernel support
+      - SYS_MODULE
     devices:
       - /dev/net/tun:/dev/net/tun
     volumes:
       - ./ts-state:/var/lib/tailscale
-      - /lib/modules:/lib/modules:ro  # Add this for kernel module support
+      - /lib/modules:/lib/modules:ro
     networks:
       rabbit-net:
         ipv4_address: 172.30.0.2
     environment:
       - TS_AUTHKEY=${TS_AUTHKEY}
       - TS_STATE_DIR=/var/lib/tailscale
       - TS_EXTRA_ARGS=--hostname=port.tcp.go --advertise-routes=172.30.0.0/24 --accept-routes
-      - TS_USERSPACE=false  # Use kernel networking for better performance
+      - TS_USERSPACE=false
+    sysctls:                          # ADD THIS
+      - net.ipv4.ip_forward=1        # Enable IP forwarding
+      - net.ipv6.conf.all.forwarding=1
 
 networks:
   rabbit-net: