config: Add support for custom client port configuration (#1090)

Thank you @adriy-be!
This will enable homeassistant support

docker-compose.yml

@@ -15,6 +15,7 @@ services:
       # - PASSWORD=foobar123
       # - PORT=51821
       # - WG_PORT=51820
+      # - WG_CONFIG_PORT=92820
       # - WG_DEFAULT_ADDRESS=10.8.0.x
       # - WG_DEFAULT_DNS=1.1.1.1
       # - WG_MTU=1420

src/config.js

@@ -10,6 +10,7 @@ module.exports.WG_PATH = process.env.WG_PATH || '/etc/wireguard/';
 module.exports.WG_DEVICE = process.env.WG_DEVICE || 'eth0';
 module.exports.WG_HOST = process.env.WG_HOST;
 module.exports.WG_PORT = process.env.WG_PORT || '51820';
+module.exports.WG_CONFIG_PORT = process.env.WG_CONFIG_PORT || process.env.WG_PORT || '51820';
 module.exports.WG_MTU = process.env.WG_MTU || null;
 module.exports.WG_PERSISTENT_KEEPALIVE = process.env.WG_PERSISTENT_KEEPALIVE || '0';
 module.exports.WG_DEFAULT_ADDRESS = process.env.WG_DEFAULT_ADDRESS || '10.8.0.x';

src/lib/WireGuard.js

@@ -13,6 +13,7 @@ const {
   WG_PATH,
   WG_HOST,
   WG_PORT,
+  WG_CONFIG_PORT,
   WG_MTU,
   WG_DEFAULT_DNS,
   WG_DEFAULT_ADDRESS,
@@ -207,7 +208,7 @@ PublicKey = ${config.server.publicKey}
 ${client.preSharedKey ? `PresharedKey = ${client.preSharedKey}\n` : ''
 }AllowedIPs = ${WG_ALLOWED_IPS}
 PersistentKeepalive = ${WG_PERSISTENT_KEEPALIVE}
-Endpoint = ${WG_HOST}:${WG_PORT}`;
+Endpoint = ${WG_HOST}:${WG_CONFIG_PORT}`;
   }
 
   async getClientQRCodeSVG({ clientId }) {