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@cgz9904099

Guangzheng Chen

@cgz9904099·Joined October 2026

Practical notes on DevOps, Docker, and self-hosting on your own server.

About

I write practical notes on DevOps and self-hosting: Docker Compose, reverse proxies, and running services on your own VPS.

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Guangzheng Chen's blogs

DevOps & Self-Hostingcgz9904099.hashnode.dev2 posts

About

I write practical notes on DevOps and self-hosting: Docker Compose, reverse proxies, and running services on your own VPS.

Available for

Nothing here yet.

Guangzheng Chen's blogs

DevOps & Self-Hostingcgz9904099.hashnode.dev2 posts

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GCGuangzheng Chenincgz9904099.hashnode.dev·10h ago · 2 min read

Connect Codex and the OpenAI SDK to an OpenAI-compatible API relay (sub2api)

Soft tutorial. Example relay: https://sub2api.9904099.com — not an official OpenAI product. TL;DR export SUB2API_KEY="sk-xxxx" # placeholder — never commit a real key # OpenAI-compatible base URL:

GCGuangzheng Chenincgz9904099.hashnode.dev·14h ago · 6 min read

Remote Docker Compose Deploy on Your Own Server (Fixed-Scope Checklist)

A practical checklist for putting a Docker Compose stack on a VPS you already own. The server, the DNS, and the SSH keys stay with you. This is not a managed-hosting guide. It is the sequence to follo