AIOOS FIELD GUIDE LIBRARY

Practical guides for websites, servers and deployment.

Search tested steps, decision guides and troubleshooting notes without wading through an unrelated tool directory.

Decisions before commands
Checks after every critical step
Limitations and update dates kept visible

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1 guides

Website Guides

Fix Caddy Reverse Proxy 404 and 502 Errors: Upstream, Path, and Body Limits

A step-by-step guide to diagnosing and fixing 404 and 502 errors in Caddy reverse proxy setups by checking logs, upstream addresses, path stripping, and request body limits.

RESOURCES I USE · REFERRAL

Two practical services to consider only when needed

This is not an automated ranking, and neither service is necessary for everyone. These are services I use, with the use case and limitations kept visible.

Cloud server · Used for early projects

RainYun

A server option I use for early-stage projects: get the site running first, then decide whether to upgrade from real monitoring data.

GPT / Codex membership · In use

Bewild

The channel I use for GPT and Codex membership needs. Review it only when free access or an existing plan no longer covers the work.

Referral disclosure: these links contain my referral information. I may receive a platform benefit if you sign up or order, at no additional charge from AIOOS. Check the order page for current pricing, availability, regions and terms. Read the full affiliate disclosure