fix(parapharmacy-api): use CORS_ORIGIN env var for Swagger server URL

Swagger UI hardcoded localhost:3002, causing NetworkError when accessed
from the deployed server. Now reads CORS_ORIGIN to build the correct
server URL for API calls from the Swagger UI.

.env.example

@@ -18,6 +18,7 @@ N8N_EMAIL=admin@farmafinder.com
 
 # Parapharmacy API
 PARAPHARMACY_API_URL=http://parapharmacy-api:3002
+PARAPHARMACY_CORS_ORIGIN=http://localhost:4000
 MONGODB_URI=mongodb://mongodb:27017/parapharmacy
 
 # Expo Push Notifications (mobile)

apps/parapharmacy-api/src/server.js

@@ -12,6 +12,10 @@ import scraperRouter from './routes/scraper.js';
 const app = express();
 
 // Swagger configuration
+const swaggerServerUrl = process.env.CORS_ORIGIN
+  ? process.env.CORS_ORIGIN.replace(/\/$/, '')  // strip trailing slash
+  : `http://localhost:${config.port}`;
+
 const swaggerOptions = {
   definition: {
     openapi: '3.0.0',
@@ -22,8 +26,8 @@ const swaggerOptions = {
     },
     servers: [
       {
-        url: `http://localhost:${config.port}`,
+        url: swaggerServerUrl,
-        description: 'Development server',
+        description: process.env.CORS_ORIGIN ? 'Production server' : 'Development server',
       },
     ],
     components: {

docker-compose.yml

@@ -98,7 +98,7 @@ services:
       PORT: "3002"
       NODE_ENV: production
       MONGODB_URI: mongodb://mongodb:27017/parapharmacy
-      CORS_ORIGIN: http://localhost:4000
+      CORS_ORIGIN: ${PARAPHARMACY_CORS_ORIGIN:-http://localhost:4000}
     depends_on:
       - mongodb