chore: normalize line endings (CRLF -> LF)

No content changes: git diff --ignore-all-space over these files is empty.
The churn came from editing on Windows against a repo checked out with LF.

backend/nginx.conf

@@ -1,151 +1,151 @@
-events {
-    worker_connections 1024;
-}
-
-http {
-    include       /etc/nginx/mime.types;
-    default_type  application/octet-stream;
-
-    sendfile        on;
-    keepalive_timeout  65;
-
-    map $http_x_forwarded_proto $proxy_x_forwarded_proto {
-        default $http_x_forwarded_proto;
-        ''      $scheme;
-    }
-
-    server {
-        listen 80;
-        server_name _; # accept any host — tunnel URLs, IPs, custom domains
-
-        # Disable body size limit for large image/pdf base64 payloads
-        client_max_body_size 0;
-
-        # Route to Next.js API Gateway (default root)
-        location / {
-            proxy_pass http://paddleocr-pfm-web-app:3000;
-            proxy_http_version 1.1;
-            proxy_set_header Upgrade $http_upgrade;
-            proxy_set_header Connection "upgrade";
-            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
-            proxy_read_timeout 300s;
-            proxy_send_timeout 300s;
-        }
-
-
-        location /history {
-            proxy_pass http://paddleocr-pfm-web-app:3000;
-            proxy_http_version 1.1;
-            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
-            proxy_read_timeout 300s;
-            proxy_send_timeout 300s;
-        }
-
-        location /arena {
-            proxy_pass http://paddleocr-pfm-web-app:3000;
-            proxy_http_version 1.1;
-            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
-            proxy_read_timeout 300s;
-            proxy_send_timeout 300s;
-        }
-
-        location /gpu {
-            proxy_pass http://paddleocr-pfm-web-app:3000;
-            proxy_http_version 1.1;
-            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
-            proxy_read_timeout 300s;
-            proxy_send_timeout 300s;
-        }
-
-        location /api {
-            proxy_pass http://paddleocr-pfm-web-app:3000;
-            proxy_http_version 1.1;
-            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
-            proxy_read_timeout 300s;
-            proxy_send_timeout 300s;
-        }
-
-        location /_next {
-            proxy_pass http://paddleocr-pfm-web-app:3000/_next;
-            proxy_http_version 1.1;
-            proxy_set_header Upgrade $http_upgrade;
-            proxy_set_header Connection "upgrade";
-            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
-        }
-
-        # Route to Pipeline API
-        location /layout-parsing {
-            proxy_pass http://paddleocr-pipeline-api:8090/layout-parsing;
-            proxy_http_version 1.1;
-            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
-            proxy_read_timeout 300s;
-            proxy_send_timeout 300s;
-        }
-
-        location /health {
-            proxy_pass http://paddleocr-pipeline-api:8090/health;
-            proxy_http_version 1.1;
-            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
-        }
-
-        # Route to vLLM Server API (v1)
-        location /v1 {
-            proxy_pass http://paddleocr-vllm-server:8118/v1;
-            proxy_http_version 1.1;
-            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
-            proxy_read_timeout 300s;
-            proxy_send_timeout 300s;
-        }
-    }
-
-    server {
-        listen 8001;
-        server_name _;
-
-        client_max_body_size 0;
-
-        # Secure public endpoint — only allow API v1 surface
-        location /api/v1/ {
-            proxy_pass http://paddleocr-pfm-web-app:3000/api/v1/;
-            proxy_http_version 1.1;
-            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
-            proxy_read_timeout 300s;
-            proxy_send_timeout 300s;
-        }
-
-        # Deny everything else
-        location / {
-            return 404;
-        }
-    }
-}
+events {
+    worker_connections 1024;
+}
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    sendfile        on;
+    keepalive_timeout  65;
+
+    map $http_x_forwarded_proto $proxy_x_forwarded_proto {
+        default $http_x_forwarded_proto;
+        ''      $scheme;
+    }
+
+    server {
+        listen 80;
+        server_name _; # accept any host — tunnel URLs, IPs, custom domains
+
+        # Disable body size limit for large image/pdf base64 payloads
+        client_max_body_size 0;
+
+        # Route to Next.js API Gateway (default root)
+        location / {
+            proxy_pass http://paddleocr-pfm-web-app:3000;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection "upgrade";
+            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
+            proxy_read_timeout 300s;
+            proxy_send_timeout 300s;
+        }
+
+
+        location /history {
+            proxy_pass http://paddleocr-pfm-web-app:3000;
+            proxy_http_version 1.1;
+            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
+            proxy_read_timeout 300s;
+            proxy_send_timeout 300s;
+        }
+
+        location /arena {
+            proxy_pass http://paddleocr-pfm-web-app:3000;
+            proxy_http_version 1.1;
+            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
+            proxy_read_timeout 300s;
+            proxy_send_timeout 300s;
+        }
+
+        location /gpu {
+            proxy_pass http://paddleocr-pfm-web-app:3000;
+            proxy_http_version 1.1;
+            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
+            proxy_read_timeout 300s;
+            proxy_send_timeout 300s;
+        }
+
+        location /api {
+            proxy_pass http://paddleocr-pfm-web-app:3000;
+            proxy_http_version 1.1;
+            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
+            proxy_read_timeout 300s;
+            proxy_send_timeout 300s;
+        }
+
+        location /_next {
+            proxy_pass http://paddleocr-pfm-web-app:3000/_next;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection "upgrade";
+            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
+        }
+
+        # Route to Pipeline API
+        location /layout-parsing {
+            proxy_pass http://paddleocr-pipeline-api:8090/layout-parsing;
+            proxy_http_version 1.1;
+            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
+            proxy_read_timeout 300s;
+            proxy_send_timeout 300s;
+        }
+
+        location /health {
+            proxy_pass http://paddleocr-pipeline-api:8090/health;
+            proxy_http_version 1.1;
+            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
+        }
+
+        # Route to vLLM Server API (v1)
+        location /v1 {
+            proxy_pass http://paddleocr-vllm-server:8118/v1;
+            proxy_http_version 1.1;
+            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
+            proxy_read_timeout 300s;
+            proxy_send_timeout 300s;
+        }
+    }
+
+    server {
+        listen 8001;
+        server_name _;
+
+        client_max_body_size 0;
+
+        # Secure public endpoint — only allow API v1 surface
+        location /api/v1/ {
+            proxy_pass http://paddleocr-pfm-web-app:3000/api/v1/;
+            proxy_http_version 1.1;
+            proxy_set_header Host $http_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 $proxy_x_forwarded_proto;
+            proxy_read_timeout 300s;
+            proxy_send_timeout 300s;
+        }
+
+        # Deny everything else
+        location / {
+            return 404;
+        }
+    }
+}