From 39b7d58a24e11fb2e010a486dbd28f33611b76f6 Mon Sep 17 00:00:00 2001
From: Leo dev <klesti.selimay@icloud.com>
Date: Thu, 2 Oct 2025 10:54:23 +0200
Subject: [PATCH] Using .env for secrets #4

---
 README.md         | 13 +++++++++++++
 src/app/api/db.ts |  9 +++++----
 src/lib/env.ts    | 32 ++++++++++++++++++++++++++++++++
 3 files changed, 50 insertions(+), 4 deletions(-)
 create mode 100644 src/lib/env.ts

diff --git a/README.md b/README.md
index 49a4bcf..f823d74 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,16 @@
+## Setup
+### Requirements
+- Node.Js with npm
+- Postgres DB
+
+```python
+DB_USER= # Usually related to the OS username but do your own research
+DB_HOST=localhost
+DB_PASSWORD= # Can be empty
+DB_PORT=5432 # Optional
+```
+
+
 ## Keywords
 
 - Voxa Client: The user-side app which communicates with all below.
diff --git a/src/app/api/db.ts b/src/app/api/db.ts
index 69d603c..fd45a72 100644
--- a/src/app/api/db.ts
+++ b/src/app/api/db.ts
@@ -1,11 +1,12 @@
+import { envEnsure, envNumber } from "@/lib/env";
 import { Pool } from "pg";
 
 const pool = new Pool({
-  user: "klestiselimaj",
-  host: "localhost",
+  user: envEnsure("DB_USER"),
+  host: envEnsure("DB_HOST"),
   database: "postgres",
-  password: "",
-  port: 5432,
+  password: envEnsure("DB_PASSWORD"),
+  port: envNumber("DB_PORT") || 5432,
 });
 
 const createUsersTableQuery = `
diff --git a/src/lib/env.ts b/src/lib/env.ts
new file mode 100644
index 0000000..14690ff
--- /dev/null
+++ b/src/lib/env.ts
@@ -0,0 +1,32 @@
+export function env(name: string): string | undefined {
+  return process.env[name];
+}
+
+export function envEnsure(name: string): string {
+  const v = process.env[name];
+
+  if (v === undefined) {
+    throw new Error(
+      `Environment variable '${name}' is required but doesn't exist`
+    );
+  }
+
+  return v;
+}
+
+export function envNumber(name: string): number | undefined {
+  const v = process.env[name];
+  return v ? parseInt(v) : undefined;
+}
+
+export function envNumberEnsure(name: string): number {
+  const v = process.env[name];
+
+  if (v === undefined) {
+    throw new Error(
+      `Environment variable '${name}' is required but doesn't exist`
+    );
+  }
+
+  return parseInt(v);
+}