feat(config): load gotenberg endpoint from environment-specific file

package.json

@@ -1,6 +1,6 @@
 {
   "name": "chromiumly",
-  "version": "2.0.8",
+  "version": "2.1.0",
   "description": "A lightweight Typescript library that interacts with Gotenberg's different modules to convert a variety of document formats to PDF files.",
   "main": "dist/main.js",
   "types": "dist/main.d.ts",

src/gotenberg.ts

@@ -1,8 +1,20 @@
 process.env.SUPPRESS_NO_CONFIG_WARNING = "y";
 
-import "dotenv/config";
+import * as dotenv from "dotenv";
+import * as path from "path";
 import config from "config";
 
+// Load endpoint from environment-specific file (e.g., .env.development)
+const envFile = `.env.${process.env.NODE_ENV}`;
+const envFileFallback = ".env";
+
+const dotenvConfig = dotenv.config({ path: path.resolve(envFile) });
+
+// Fallback to loading the default environment file.
+if (dotenvConfig.error) {
+  dotenv.config({ path: path.resolve(envFileFallback) });
+}
+
 export class Gotenberg {
   public static endpoint: string =
     process.env.GOTENBERG_ENDPOINT || config.get<string>("gotenberg.endpoint");