Shorter config key, comments

.env.example

@@ -1,3 +1,4 @@
-HOST=127.0.0.1  # set 0.0.0.0 if you don't use reverse proxy
+HOST=127.0.0.1  # 0.0.0.0 if txtdot is not behind reverse proxy
 PORT=8080
-REVERSE_PROXY_ENABLED=true # if you use reverse proxy set x-forwarded-host
+
+REVERSE_PROXY=true  # only for reverse proxy; see docs

src/app.ts

@@ -27,7 +27,7 @@ class App {
   async init() {
     const fastify = Fastify({
       logger: true,
-      trustProxy: this.config.reverse_proxy_enabled,
+      trustProxy: this.config.reverse_proxy,
     });
 
     fastify.register(fastifyStatic, {

src/config/config.service.ts

@@ -3,18 +3,14 @@ import { config } from "dotenv";
 export class ConfigService {
   public readonly host: string;
   public readonly port: number;
-  public readonly reverse_proxy_enabled: boolean;
+  public readonly reverse_proxy: boolean;
 
   constructor() {
-    const parsed = config().parsed;
-
-    if (!parsed) {
-      throw new Error("Invalid .env file");
-    }
+    config();
 
     this.host = process.env.HOST || "localhost";
     this.port = Number(process.env.PORT) || 8080;
-    this.reverse_proxy_enabled =
-      Boolean(process.env.REVERSE_PROXY_ENABLED) || false;
+
+    this.reverse_proxy = Boolean(process.env.REVERSE_PROXY) || false;
   }
 }