diff --git a/docker-compose.yml b/docker-compose.yml
index 941005d..fa87266 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -72,7 +72,7 @@ services:
     ports:
       - "${FRONTEND_PORT:-3011}:3000"
     environment:
-      - NEXT_PUBLIC_API_URL=http://backend:8000
+      - NEXT_PUBLIC_API_URL=
     depends_on:
       - backend
     networks:
diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index 0970c8c..c415b62 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -17,7 +17,7 @@ COPY --from=deps /app/node_modules ./node_modules
 COPY . .
 
 ENV NEXT_TELEMETRY_DISABLED=1
-ENV NEXT_PUBLIC_API_URL=http://backend:8000
+ENV NEXT_PUBLIC_API_URL=
 
 RUN npm run build
 
diff --git a/nginx/nginx.conf b/nginx/nginx.conf
new file mode 100644
index 0000000..188463c
--- /dev/null
+++ b/nginx/nginx.conf
@@ -0,0 +1,61 @@
+upstream frontend {
+    server frontend:3000;
+}
+
+upstream backend {
+    server backend:8000;
+}
+
+server {
+    listen 80;
+    server_name web-inspector.yakenator.io;
+
+    client_max_body_size 10M;
+
+    # API 요청 → Backend
+    location /api/ {
+        proxy_pass http://backend;
+        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 $scheme;
+
+        # 타임아웃 (검사 최대 120초)
+        proxy_read_timeout 120s;
+        proxy_send_timeout 120s;
+    }
+
+    # SSE 스트리밍 전용 (버퍼링 OFF)
+    location ~ ^/api/inspections/[^/]+/stream$ {
+        proxy_pass http://backend;
+        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_set_header Connection '';
+
+        proxy_buffering off;
+        proxy_cache off;
+        proxy_read_timeout 300s;
+        chunked_transfer_encoding off;
+
+        # SSE content type
+        add_header Content-Type text/event-stream;
+        add_header Cache-Control no-cache;
+        add_header X-Accel-Buffering no;
+    }
+
+    # 나머지 → Frontend
+    location / {
+        proxy_pass http://frontend;
+        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;
+
+        # Next.js HMR WebSocket (개발 시)
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+    }
+}
diff --git a/nginx/web-inspector.yakenator.io.conf b/nginx/web-inspector.yakenator.io.conf
new file mode 100644
index 0000000..c2a6310
--- /dev/null
+++ b/nginx/web-inspector.yakenator.io.conf
@@ -0,0 +1,50 @@
+server {
+    listen 80;
+    server_name web-inspector.yakenator.io;
+
+    access_log /var/log/nginx/web-inspector.access.log;
+    error_log /var/log/nginx/web-inspector.error.log;
+
+    client_max_body_size 10M;
+
+    # SSE 스트리밍 전용 (버퍼링 OFF, /api/ 보다 먼저 매칭)
+    location ~ ^/api/inspections/[^/]+/stream$ {
+        proxy_pass http://127.0.0.1:8011;
+        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_set_header Connection '';
+
+        proxy_buffering off;
+        proxy_cache off;
+        proxy_read_timeout 300s;
+        chunked_transfer_encoding off;
+        add_header X-Accel-Buffering no;
+    }
+
+    # API 요청 → Backend
+    location /api/ {
+        proxy_pass http://127.0.0.1:8011;
+        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_read_timeout 120s;
+        proxy_send_timeout 120s;
+    }
+
+    # 나머지 → Frontend
+    location / {
+        proxy_pass http://127.0.0.1:3011;
+        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_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+    }
+}