Configuration
Configuration related cheatsheet collection with 4 quick references covering common commands, flags and real usage for developers and SRE.
Nginx Cheatsheet - Nginx Configuration & Command Reference
An Nginx configuration handbook for backend, DevOps, and frontend-integration engineers, covering nginx -t/-s reload syntax validation and hot reload, location matching priority, proxy_pass reverse proxies, access/error log troubleshooting, and the common causes of 502/504.
Fish Shell Cheatsheet - Config, Functions & Aliases
A Fish Shell reference covering its syntax differences from Bash, variables and functions, out-of-the-box autocompletion, aliases, and theme configuration.
YAML Cheatsheet - Syntax, Anchors, Lists & Examples
A YAML syntax reference for developers who write Docker Compose, Kubernetes and GitHub Actions configs, covering basic syntax, data types, lists, dicts, multiline strings, anchors and explicit type tags. Consult section by section while validating indentation and common write errors.
JSON Cheatsheet - Syntax, Data Types & Parsing Examples
A JSON reference for frontend/backend developers who handle API payloads and JSON config, covering data types, objects, arrays, nesting, common API response patterns, and validation/formatting commands. Consult section by section when a key quotation, comma or nested brace causes an error.