Guides topic

DevOps

Practical guides to deploying and operating Laravel, Next.js and NestJS applications. Learn to configure nginx, manage queue workers, use Docker, diagnose failures and plan recovery with clear operational limits.

articles: 35

Troubleshooting guide29 August 2026
Fix a broken WordPress migration: URLs, redirect loops and 404s
Moved WordPress and something broke? Fix database errors, old-domain URLs, serialized data, HTTPS redirect loops and permalink 404s with WP-CLI commands.
By Cloudsoft Zone
Architecture guide15 August 2026
MySQL 8.4 GTID replication: set up replicas and fail over safely
How MySQL 8.4 GTID replication works, when to add semisync, how to configure a source and replicas, the removed SLAVE statements and a safe failover runbook.
By Cloudsoft Zone
Tutorial11 August 2026
AI agent observability: logging, tracing, costs and failure alerts
Trace every agent run, model call and tool call with OpenTelemetry GenAI conventions, record tokens and cost as metrics, redact prompts, and alert on the failures that matter.
By Cloudsoft Zone
Tutorial1 August 2026
Set up nginx as an HTTPS reverse proxy with Let's Encrypt
Put your app behind nginx with a free Let's Encrypt certificate on Ubuntu 24.04: tested config, HTTP/2, WebSockets, and renewal ready for shorter lifetimes.
By Cloudsoft Zone
Troubleshooting guide20 July 2026
BullMQ jobs stuck or stalled? How to find and fix the cause
Diagnose BullMQ jobs stuck in waiting or active, stalled twice-run jobs and vanishing keys: event-loop blocking, shutdown, Redis eviction and retry fixes.
By Cloudsoft Zone
Troubleshooting guide13 July 2026
Fix PHP-FPM 'server reached pm.max_children' and 502 errors
Why PHP-FPM runs out of workers, how to read the status page and slow log, and how to size pm.max_children from real memory use instead of guessing.
By Cloudsoft Zone
Troubleshooting guide10 July 2026
Find and fix Node.js memory leaks with heap snapshots
A step-by-step method for Node.js memory leaks: confirm the growth, capture heap snapshots safely, compare them in DevTools and fix the five usual causes.
By Cloudsoft Zone
12 June 2026
Zero-downtime deployments on a single VPS with nginx and Docker
Deploy without dropped requests on one VPS: blue-green Docker Compose services, an nginx upstream switch, graceful SIGTERM handling and safe migrations.
By Cloudsoft Zone
Architecture guide5 June 2026
OPcache and JIT tuning for PHP 8.5: a production settings guide
Size OPcache memory and file limits correctly, deploy safely with validate_timestamps=0, and decide with a benchmark whether the PHP 8.5 JIT is worth enabling.
By Cloudsoft Zone
Tutorial29 May 2026
How to set up Varnish full-page cache for Magento 2.4.9
Set up Varnish in front of Magento 2.4.9: move nginx to 8080, switch the caching application, generate the VCL, configure purges and confirm cache hits.
By Cloudsoft Zone
Tutorial9 September 2023
Connect to a MySQL database from the command line, safely
Connect to MySQL 8.4 or 9.7 with the mysql client and MySQL Shell: socket versus TCP, verified TLS, option files, login paths, scripting, and fixes for common errors.
By Cloudsoft Zone