Add env WGUI_MANAGE_RELOAD for support reload wireguard configuration

Signed-off-by: WindSpiritSR <[email protected]>

README.md

@@ -105,6 +105,7 @@ These environment variables only apply to the docker container.
 |-----------------------|---------------------------------------------------------------|---------|
 | `WGUI_MANAGE_START`   | Start/stop WireGuard when the container is started/stopped    | `false` |
 | `WGUI_MANAGE_RESTART` | Auto restart WireGuard when we Apply Config changes in the UI | `false` |
+| `WGUI_MANAGE_RELOAD`  | Auto reload WireGuard when we Apply Config changes in the UI  | `false` |
 
 ## Auto restart WireGuard daemon
 
@@ -198,6 +199,10 @@ running the container with `restart: unless-stopped`. These settings can also pi
 Path, after restarting the container. Please make sure you have `--cap-add=NET_ADMIN` in your container config to make
 this feature work.
 
+Set `WGUI_MANAGE_RELOAD=true` to manage Wireguard interface reload.
+Using `WGUI_MANAGE_RELOAD=true` will use `wg syncconf wg0 /path/to/file` to update the wireguard running-configuration
+without restart. Please make sure you have `--cap-add=NET_ADMIN` in your container config to make this feature work.
+
 ## Build
 
 ### Build docker image

init.sh

@@ -18,6 +18,13 @@ case $WGUI_MANAGE_RESTART in (1|t|T|true|True|TRUE)
     done &
 esac
 
+# manage wireguard reload
+case $WGUI_MANAGE_RELOAD in (1|t|T|true|True|TRUE)
+    [[ -f $conf ]] || touch "$conf" # inotifyd needs file to exist
+    inotifyd - "$conf":w | while read -r event file; do
+        wg syncconf wg0 "$file"
+    done &
+esac
 
 ./wg-ui &
 wait $!