diff --git a/web/nginx.conf b/web/nginx.conf
new file mode 100644
index 0000000..e15915d
--- /dev/null
+++ b/web/nginx.conf
@@ -0,0 +1,33 @@
+# All comments are in English.
+
+events {}
+
+http {
+    server {
+        listen 80;
+
+        # Serve static frontend
+        location / {
+            root /usr/share/nginx/html;
+            index index.html;
+        }
+
+        # Proxy API calls to Flask backend
+        location /api/ {
+            proxy_pass http://backend:8000/api/;
+        }
+
+        # Proxy OAuth routes
+        location /login {
+            proxy_pass http://backend:8000/login;
+        }
+
+        location /oauth/callback {
+            proxy_pass http://backend:8000/oauth/callback;
+        }
+
+        location /health {
+            proxy_pass http://backend:8000/health;
+        }
+    }
+}