feat: Add Docker support with development and production configurations

nginx.conf

@@ -0,0 +1,39 @@
+events {
+    worker_connections 1024;
+}
+
+http {
+    upstream inventory_app {
+        server inventory-app:3000;
+    }
+
+    server {
+        listen 80;
+        server_name localhost;
+
+        # Increase client max body size for file uploads
+        client_max_body_size 10M;
+
+        # Proxy all requests to the Next.js app
+        location / {
+            proxy_pass http://inventory_app;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection 'upgrade';
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_cache_bypass $http_upgrade;
+            proxy_read_timeout 300s;
+            proxy_connect_timeout 75s;
+        }
+
+        # Optional: Serve static files directly (for better performance)
+        location /_next/static/ {
+            proxy_pass http://inventory_app;
+            proxy_cache_valid 1y;
+            add_header Cache-Control "public, immutable";
+        }
+    }
+}