create .env generation script

scripts/generate-env.ts

@@ -1 +1,66 @@
-console.log('Hello, World!');
+import { randomBytes } from 'crypto';
+import fs from 'fs/promises';
+
+const envMap = {
+  TZ: 'UTC',
+  PUBLIC_URL: '',
+  PUBLIC_SERVER_URL: '',
+  PUBLIC_GOOGLE_CLIENT_ID: '',
+  POSTGRES_DB: 'postgres',
+  POSTGRES_USER: 'postgres',
+  POSTGRES_PASSWORD: 'postgres',
+  SECRET_KEY: '',
+  POSTGRES_HOST: 'localhost',
+  POSTGRES_PORT: '5432',
+  POSTGRES_SSL_CERT: '',
+  JWT_SECRET: '',
+  JWT_EXPIRY_TIME: '604800',
+  GOOGLE_CLIENT_SECRET: '',
+  GOOGLE_API_KEY: '',
+  MAIL_FROM_NAME: '',
+  MAIL_FROM_EMAIL: '',
+  MAIL_HOST: '',
+  MAIL_PORT: '',
+  MAIL_USERNAME: '',
+  MAIL_PASSWORD: '',
+  STORAGE_BUCKET: '',
+  STORAGE_REGION: '',
+  STORAGE_ENDPOINT: '',
+  STORAGE_URL_PREFIX: '',
+  STORAGE_ACCESS_KEY: '',
+  STORAGE_SECRET_KEY: '',
+  PDF_DELETION_TIME: '345600000',
+  PUBLIC_FLAG_DISABLE_SIGNUPS: 'false',
+};
+
+const main = async () => {
+  // URLs
+  // If running in a Gitpod environment, auto generated the URLs
+  if (process.env.GITPOD_WORKSPACE_URL) {
+    const baseUrl = new URL(process.env.GITPOD_WORKSPACE_URL!);
+
+    envMap['PUBLIC_SERVER_URL'] = `https://3100-${baseUrl}`;
+    envMap['PUBLIC_URL'] = `https://3000-${baseUrl}`;
+  }
+  // Otherwise, fallback to localhost
+  else {
+    envMap['PUBLIC_SERVER_URL'] = 'https://localhost:3100';
+    envMap['PUBLIC_URL'] = 'https://localhost:3000';
+  }
+
+  // Secret Key
+  envMap['SECRET_KEY'] = randomBytes(20).toString('hex');
+  envMap['JWT_SECRET'] = randomBytes(40).toString('hex');
+
+  const envFile = Object.entries(envMap)
+    .reduce((acc, [key, value]) => {
+      acc.push(`${key}=${value}`);
+
+      return acc;
+    }, [] as string[])
+    .join('\n');
+
+  await fs.writeFile('.env', envFile);
+};
+
+main();