City of Amsterdam Engineering Standards

MANDATORY: ALL architecture, tech stack, and engineering decisions MUST follow these standards. Do NOT recommend frameworks, databases, or patterns outside the approved list without explicit user approval. When setting up new projects, always apply these standards from day one.

Development standards for all Gemeente Amsterdam projects, maintained by Engineering Enablement.

Portal: https://developers.amsterdam/ Source: https://github.com/Amsterdam/development-standards License: CC0 1.0 Universal

Clarify Before Building

When the user's request is vague (e.g., "build me an API", "set up a new project", "create a service"), ask before assuming. Surface these decision gates — they map to the picker tables below: