feat: added support for running the VPN router on a host with Docker Community Edition.

debian-package/src/usr/lib/vpn-router/setup

@@ -299,6 +299,16 @@ def run_platform_setup(cfg, ctx):
         fail(f'platform module {module.__name__} failed: {exc}')
 
 
+def refresh_docker_rules():
+    """Apply the new settings to the Docker rules while Docker is running.
+
+    When Docker is not running, vpn-router-docker applies them after
+    docker.service starts.
+    """
+    if unit_is_active('docker.service'):
+        run(['systemctl', 'restart', 'vpn-router-docker.service'], check=False)
+
+
 def main():
     cfg = vpnrouter.load_config()
     ctx, changed = vpnrouter.configure(cfg)
@@ -337,6 +347,7 @@ def main():
         run(['systemctl', 'restart', 'systemd-resolved'], check=False)
 
     run_platform_setup(cfg, ctx)
+    refresh_docker_rules()
     return 0