fix: update exposed port to 7860 and adjust environment variable in Dockerfile and index.js

Dockerfile

@@ -24,8 +24,8 @@ RUN mkdir -p /app/logs /app/temp && \
 # Switch to non-root user
 USER lumakit
 
-# Expose port (Hugging Face Spaces typically uses port 7860, but we'll use 3000 and map it)
-EXPOSE 3000
+# Expose port 7860 (Hugging Face Spaces standard port)
+EXPOSE 7860
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
@@ -33,7 +33,7 @@ HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
 
 # Set environment variables
 ENV NODE_ENV=production
-ENV PORT=3000
+ENV PORT=7860
 
 # Start the application
 CMD ["bun", "run", "src/index.js"]

src/index.js

@@ -1,7 +1,7 @@
 import express from 'express';
 
 const app = express();
-const PORT = process.env.PORT || 3000;
+const PORT = process.env.PORT || 7860;
 
 app.get('/', (req, res) => {
   res.send('Hello, This is LumaKit Backend!');