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OpenResty Edge Aug 26, 2026

OpenResty Edge Updated Aug 26, 2026 7 mins read

EdgeLang Tutorial: How to Write Gateway & WAF Rules in OpenResty Edge

tutorial openresty-edge proxy
  • How EdgeLang Compiles Rules for Speed
  • How to Write an EdgeLang Page Rule (URL Redirect Example)
  • Test the EdgeLang Rule with curl
  • Modify an EdgeLang Rule: Exact vs. Prefix Match
  • How to Write WAF Rules in EdgeLang
  • EdgeLang User Manual and More Examples
  • FAQ
  • How EdgeLang Compiles Rules for Speed
  • How to Write an EdgeLang Page Rule (URL Redirect Example)
  • Test the EdgeLang Rule with curl
  • Modify an EdgeLang Rule: Exact vs. Prefix Match
  • How to Write WAF Rules in EdgeLang
  • EdgeLang User Manual and More Examples
  • FAQ

OpenResty XRay Sep 9, 2026

OpenResty XRay Updated Sep 9, 2026 13 mins read

Nginx High CPU Usage: Find Which Requests Consume the Most CPU

tutorial cpu nginx openresty-xray ysql
  • Prerequisites and Environment Setup
  • Find Which Request Hostname Uses the Most CPU
  • Find Which Request URI Uses the Most CPU
  • Digging Deeper: Why Some Hostnames Use More CPU
  • Running the Tools in the Web Console
  • Tracing Nginx CPU Usage Inside Containers
  • How the CPU Profiling Tools Work
  • The Overhead of the Profiling Tools
  • Frequently Asked Questions
Photo by Yichun Zhang
  • Prerequisites and Environment Setup
  • Find Which Request Hostname Uses the Most CPU
  • Find Which Request URI Uses the Most CPU
  • Digging Deeper: Why Some Hostnames Use More CPU
  • Running the Tools in the Web Console
  • Tracing Nginx CPU Usage Inside Containers
  • How the CPU Profiling Tools Work
  • The Overhead of the Profiling Tools
  • Frequently Asked Questions

OpenResty Edge Aug 26, 2026

OpenResty Edge Updated Aug 26, 2026 7 mins read

Configure HTTP Basic Auth in OpenResty Edge — No Server Reload or Restart

tutorial openresty-edge authentication basic-auth
  • Configure the HTTP basic auth credentials for applications
    • Add a basic auth user group
    • Enable basic auth with a page rule
    • Test basic auth in a browser and with curl
  • Configure global HTTP basic auth across all applications
    • Add a global basic auth user group
    • Configure the global auth for application
Photo by Yichun Zhang
  • Configure the HTTP basic auth credentials for applications
    • Add a basic auth user group
    • Enable basic auth with a page rule
    • Test basic auth in a browser and with curl
  • Configure global HTTP basic auth across all applications
    • Add a global basic auth user group
    • Configure the global auth for application

OpenResty Edge Aug 26, 2026

OpenResty Edge Updated Aug 26, 2026 7 mins read

How to Release and Roll Back Gateway Config in OpenResty Edge: Version Control Without Reload

tutorial openresty-edge page-rule releases version-control
  • Create a page rule for the sample application
  • Release the page rule to all gateway clusters
  • Test the released config with curl
  • Modify the page rule
  • Release the modified config
  • Test the modified config
  • Revert the latest config release
  • Test the reverted config
  • Roll back to any earlier release
Photo by Yichun Zhang
  • Create a page rule for the sample application
  • Release the page rule to all gateway clusters
  • Test the released config with curl
  • Modify the page rule
  • Release the modified config
  • Test the modified config
  • Revert the latest config release
  • Test the reverted config
  • Roll back to any earlier release

OpenResty Edge Aug 25, 2026

OpenResty Edge Updated Aug 25, 2026 8 mins read

Redirect Based on Browser Language in OpenResty Edge: Accept-Language Page Rule

tutorial openresty-edge redirect languages
  • Redirect based on browser language with an Accept-Language page rule
  • Match the root URI and the Accept-Language header with a regex
  • Test the French redirect with curl
  • Add a fallback rule that redirects other languages to English
  • Ship changes to every gateway node with no Nginx reload
Photo by Yichun Zhang
  • Redirect based on browser language with an Accept-Language page rule
  • Match the root URI and the Accept-Language header with a regex
  • Test the French redirect with curl
  • Add a fallback rule that redirects other languages to English
  • Ship changes to every gateway node with no Nginx reload

OpenResty Edge Jul 29, 2026

OpenResty Edge Updated Jul 29, 2026 6 mins read

Upload SSL Certificates for HTTPS Sites in OpenResty Edge

tutorial openresty-edge ssl certificates
  • Upload the SSL certificate and private key in the Edge console
  • Push the new certificate without a server reload or restart
  • Test the uploaded certificate with curl –resolve
Photo by Yichun Zhang
  • Upload the SSL certificate and private key in the Edge console
  • Push the new certificate without a server reload or restart
  • Test the uploaded certificate with curl –resolve

OpenResty Edge Aug 10, 2026

OpenResty Edge Updated Aug 10, 2026 6 mins read

How to Run a Real-Time Cache Purge Network-Wide in OpenResty Edge

tutorial openresty-edge proxy cache purge
  • Create a real-time cache purge job in OpenResty Edge
  • Verify the cache status with the Cache-Status header
  • Purge cache across the whole network with no reload
  • Purge cache by URL prefix
  • Custom purge conditions
  • FAQ
Photo by Yichun Zhang
  • Create a real-time cache purge job in OpenResty Edge
  • Verify the cache status with the Cache-Status header
  • Purge cache across the whole network with no reload
  • Purge cache by URL prefix
  • Custom purge conditions
  • FAQ

OpenResty Edge Aug 10, 2026

OpenResty Edge Updated Aug 10, 2026 7 mins read

Enable HTTP Cache in OpenResty Edge: Proxy Cache Without Cache-Control Headers

tutorial openresty-edge proxy cache
  • Enable proxy cache in a page rule and set the cache key
  • Test the cache and verify Cache-Status HIT/MISS with curl
  • Enforce caching without a Cache-Control header
  • Frequently asked questions
Photo by Yichun Zhang
  • Enable proxy cache in a page rule and set the cache key
  • Test the cache and verify Cache-Status HIT/MISS with curl
  • Enforce caching without a Cache-Control header
  • Frequently asked questions

OpenResty Edge Aug 10, 2026

OpenResty Edge Updated Aug 10, 2026 8 mins read

How to Set Up a Simple Reverse Proxy and Load Balancer with OpenResty Edge

tutorial openresty-edge proxy upstream
  • Set up an OpenResty Edge reverse proxy and load balancer from the web console
  • Create an application and an upstream for your backend
  • Add a round-robin page rule
  • Release the config to every gateway node and verify with curl
Photo by Yichun Zhang
  • Set up an OpenResty Edge reverse proxy and load balancer from the web console
  • Create an application and an upstream for your backend
  • Add a round-robin page rule
  • Release the config to every gateway node and verify with curl
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