NGINX Alias vs Root: End the Confusion Once and For All
by Danila Vershinin, January 26, 2026
Master the difference between NGINX alias and root directives. This comprehensive guide explains path construction, trailing slash rules, try_files interaction, and regex patterns with tested configurations that will end the confusion permanently.
Read More...NGINX Timeout Directives: Complete Configuration Guide
by Danila Vershinin,
Master all NGINX timeout directives including proxy_read_timeout, client_body_timeout, keepalive_timeout, and send_timeout. Learn when to use each, production-ready values, and how to diagnose timeout issues.
Read More...NGINX Upstream Keepalive: Connection Pooling Guide [2026]
by Danila Vershinin,
Learn how to configure NGINX upstream keepalive for connection pooling to your backend servers. This comprehensive guide covers the keepalive directive, tuning parameters, preventing TIME_WAIT socket exhaustion, and optimizing microservices and API gateway performance.
Read More...NGINX Proxy Cache & Microcaching: Complete Guide
by Danila Vershinin,
Master NGINX proxy cache and microcaching to achieve up to 400x performance improvement. This comprehensive guide covers proxy_cache_path, proxy_cache_valid, thundering herd prevention with proxy_cache_lock, stale-while-revalidate patterns, and microcaching for dynamic content. Includes production-ready configurations tested on Rocky Linux and AlmaLinux.
Read More...NGINX Rewrite Rules: The Complete Guide to URL Rewriting
by Danila Vershinin, January 25, 2026
Master NGINX rewrite rules and URL rewriting with this comprehensive guide. Learn the difference between return and rewrite directives, capturing groups, rewrite flags, and real-world SEO migration scenarios with tested configurations.
Read More...NGINX Gzip Compression: The Complete Configuration Guide
by Danila Vershinin,
Learn how to configure NGINX gzip compression for optimal web performance. This comprehensive guide covers gzip_types, gzip_comp_level, gzip_min_length, and all other gzip directives with insights from NGINX source code analysis and production-tested configurations.
Read More...NGINX CORS Configuration: Why the Recipe You Copied Is Broken
by Danila Vershinin, January 24, 2026
The map + add_header CORS recipe everyone copies is broken in four specific ways: a missing Vary: Origin that poisons your CDN, add_header inheritance that silently drops your headers, errors that reach the browser as opaque CORS failures, and a preflight short-circuit that eats WebDAV. With reproductions and fixes.
Read More...NGINX 502 Bad Gateway: Every Cause and Fix (Complete Guide)
by Danila Vershinin,
Learn how to fix NGINX 502 Bad Gateway errors. This comprehensive guide covers every cause including PHP-FPM issues, socket permissions, buffer problems, and more with tested solutions.
Read More...NGINX Location Priority: Complete Regex Matching Guide
by Danila Vershinin,
Master NGINX location priority and regex matching. Learn how =, ^~, ~, and ~* modifiers work, understand the matching algorithm from NGINX source code, avoid common security pitfalls, and use tools like Gixy to validate your configuration.
Read More...NGINX Load Balancing: Complete Guide to Algorithms & Setup
by Danila Vershinin, January 23, 2026
Learn how NGINX load balancing works under the hood. This complete guide covers all load balancing algorithms including round-robin, least connections, IP hash, consistent hashing, and the Power of Two Choices, with production-ready configuration examples.
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