Merge pull request #28 from DeBuXer/reload_env

Reload .env file on change without restarting the application

app.js

@@ -1,4 +1,32 @@
 import {plainServer, secureServer} from "./index.js";
+import { clearConfig } from "./src/util.js";
+import fs from "fs";
+import { watch } from "chokidar";
+import dotenv from "dotenv";
+
+// Function to reload the .env variables
+function reloadEnv() {
+  if (fs.existsSync('.env')) {
+    const envConfig = dotenv.parse(fs.readFileSync('.env'));
+    for (const k in envConfig) {
+      process.env[k] = envConfig[k];
+    }
+    console.log('Environment variables reloaded.');
+  } else {
+    console.warn('.env file does not exist.');
+  }
+}
+
+// Watch the .env file for changes
+watch('.env').on('change', () => {
+  console.log('.env file changed, reloading...');
+  clearConfig();
+  reloadEnv();
+});
+
+// Initial load
+reloadEnv();
+
 
 const port80 = parseInt(process.env.HTTP_PORT || "8080");
 const port443 = parseInt(process.env.HTTPS_PORT || "8443");

package.json

@@ -21,6 +21,8 @@
   "dependencies": {
     "async-lock": "^1.4.1",
     "better-sqlite3": "^11.1.2",
+    "chokidar": "^3.5.3",
+    "dotenv": "^16.0.3",
     "jose": "^5.6.3",
     "lru-cache": "^11.0.0",
     "node-forge": "^1.3.1",

src/util.js

@@ -75,6 +75,16 @@ function csvToMap(str) {
     }, initMap())
 }
 
+/**
+* @return {void}
+*/
+export function clearConfig() {
+    whitelistMap = null;
+    blacklistMap = null;
+    useLocalDNS = null;
+    blacklistRedirectUrl = null;
+}
+
 /**
  * @param {Record<string, string>} [mockEnv]
  */