# Faasjs Best Practices

> FaasJS best practices - file conventions, defineFunc, database(knex). Use when this capability is needed.

- Skill: `tomevault-io/faasjs-best-practices` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add tomevault-io/faasjs-best-practices`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/faasjs-best-practices/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: tomevault-io (https://skillmd.com/u/tomevault-io)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/tomevault-io/faasjs-best-practices

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Apply these rules when writing or reviewing FaasJS code.

## File conventions

See [File conventions](./file-conventions.md) for:
- Project structure and special files
- Route segments and fallback (`*.func.ts`, `index.func.ts`, `default.func.ts`)
- Verb naming semantics and list endpoint conventions

## defineFunc

See [defineFunc guide](./define-func.md) for:
- When to use `defineFunc` in `*.func.ts` files
- How plugin config from `faas.yaml` is auto-loaded
- A complete endpoint example with typed params

## Knex

See [Knex rules](./knex.md) for:
- Configuring Knex via `faas.yaml` and using query-builder methods over `knex.raw`

## Related skills

- Unit testing: [faasjs-unit-testing](../faasjs-unit-testing/SKILL.md)

---
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<!-- tomevault:4.0:skill_md:2026-04-13 -->