Projection Patterns

Build read models and projections from event streams. Use when implementing CQRS read sides, building materialized views, or optimizing query performance in event-sourced systems.

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Projection Patterns

Comprehensive guide to building projections and read models for event-sourced systems.

Use this skill when

  • Building CQRS read models
  • Creating materialized views from events
  • Optimizing query performance
  • Implementing real-time dashboards
  • Building search indexes from events
  • Aggregating data across streams

Do not use this skill when

  • The task is unrelated to projection patterns
  • You need a different domain or tool outside this scope

Instructions

  • Clarify goals, constraints, and required inputs.
  • Apply relevant best practices and validate outcomes.
  • Provide actionable steps and verification.
  • If detailed examples are required, open resources/implementation-playbook.md.

Resources

  • resources/implementation-playbook.md for detailed patterns and examples.

When to Use

Build read models and projections from event streams. Use when implementing CQRS read sides, building materialized views, or optimizing query performance in event-sourced systems.

JantonioFC/skillsbank/tree/main/skills/projection-patterns commit c94cbe4b61

Frequently asked questions

npx skillmds@latest add jantoniofc/projection-patterns