fixing jsonSchema validation by using zod

docker/nginx.conf.example

@@ -0,0 +1,75 @@
+# Nginx Configuration for Optional HTTP/2 Upgrade
+# Client-facing: HTTP/2
+# Backend: HTTP/1.1 (MCP server)
+
+upstream gds_mcp_backend {
+    server 127.0.0.1:3000;
+    keepalive 32;
+}
+
+server {
+    listen 443 ssl http2;
+    server_name gds-mock-mcp.example.com;
+
+    # SSL configuration (replace with your certificates)
+    ssl_certificate /path/to/ssl/certificate.crt;
+    ssl_certificate_key /path/to/ssl/private.key;
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_ciphers HIGH:!aNULL:!MD5;
+
+    # Logging
+    access_log /var/log/nginx/gds-mcp-access.log;
+    error_log /var/log/nginx/gds-mcp-error.log;
+
+    # MCP endpoint proxy
+    location /mcp {
+        proxy_pass http://gds_mcp_backend;
+        proxy_http_version 1.1;
+
+        # Preserve headers
+        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;
+
+        # MCP headers
+        proxy_set_header MCP-Protocol-Version $http_mcp_protocol_version;
+        proxy_set_header MCP-Session-Id $http_mcp_session_id;
+        proxy_set_header Last-Event-ID $http_last_event_id;
+
+        # SSE configuration
+        proxy_set_header Connection '';
+        proxy_buffering off;
+        proxy_cache off;
+        chunked_transfer_encoding off;
+
+        # Timeouts
+        proxy_connect_timeout 60s;
+        proxy_send_timeout 60s;
+        proxy_read_timeout 60s;
+    }
+
+    # Health check endpoint
+    location /health {
+        proxy_pass http://gds_mcp_backend;
+        proxy_http_version 1.1;
+        proxy_set_header Connection '';
+        proxy_buffering off;
+    }
+
+    # Rate limiting (additional layer beyond application)
+    limit_req_zone $binary_remote_addr zone=mcp_limit:10m rate=100r/m;
+    limit_req zone=mcp_limit burst=20 nodelay;
+
+    # Security headers
+    add_header X-Content-Type-Options nosniff;
+    add_header X-Frame-Options DENY;
+    add_header X-XSS-Protection "1; mode=block";
+}
+
+# HTTP redirect to HTTPS
+server {
+    listen 80;
+    server_name gds-mock-mcp.example.com;
+    return 301 https://$server_name$request_uri;
+}