PHP 8.4: The Language That Finally Grew Up
PHP 8.4 brings property hooks, a new HTML5 DOM API, and JIT improvements that place it firmly among modern languages. Here is why the PHP renaissance is real.
#backend
9 posts
The Query That Killed My Database: A Postmortem
A single SQL query took down production for twelve minutes. Here is the postmortem on how a correlated subquery with 200k posts became a database killer — and the exact fix that brought execution time from 4 minutes to 3 milliseconds.
Security Headers That Will Save Your Site
Ten lines of HTTP headers do more to protect your users than most firewalls. From CSP to HSTS, here is the complete security header configuration every site needs before it goes live.
Docker Without the Bloat: A Minimalist Container Strategy
Most Docker images are 900MB obesity epidemics. Here is how multi-stage builds, distroless images, and non-root users shrink your attack surface to near zero while cutting startup time to milliseconds.
Redis: The Cache That Became a Database
Redis evolved from a simple cache into a data structure server, message broker, and rate limiter. Here is how to use cache-aside patterns, prevent stampede with probabilistic expiration, and implement sliding window rate limiting.
REST Is Dead, Long Live REST: Designing APIs That Do Not Lie
GraphQL did not kill REST — bad REST killed itself. Here is how to design honest APIs with proper status codes, cursor pagination, resource naming, and version headers that do not break your clients.
The Index You Think You Need Is the Index You Should Not Build
Indexes are not free — every write costs more disk I/O and space. Here is how to choose the right index type, order composite columns correctly, and use covering indexes to eliminate table access entirely.
WebSockets: Real-Time Without the Complexity Tax
Polling is a crime against bandwidth. Here is how to build real-time features with WebSockets, scale across multiple servers with Redis Pub/Sub, and implement heartbeats with exponential backoff reconnection.
Tests That Actually Catch Bugs: Beyond Coverage Theater
100% coverage means nothing if you only test happy paths. Here is how to write unit tests that verify behavior not mocks, integration tests with real databases, and property-based tests that find edge cases you never imagined.