designing-app-architecture

System architecture design translates functional and non-functional requirements into scalable, maintainable structures by applying patterns like monolith, microservices, or serverless. It covers technology stack selection, database schema planning, and component separation of concerns.

An Architecture Decision Record (ADR) documents key technical design choices, such as selecting a specific framework or API protocol. You need ADRs during early-stage technical design to capture the context, decision, and consequences of architecture patterns for future reference.

API design for microservices defines schema, data relationships, and endpoint contracts using REST, GraphQL, or RPC protocols. It establishes clear boundaries and separation of concerns between services to maintain modularity and ensure scalable communication across the tech stack.

Technology stack selection evaluates frameworks, databases, and hosting environments against your specific requirements to produce a scalable architecture. The best approach matches your expected system design patterns, whether monolith or serverless, with appropriate component modularity.

Yes, you can generate a visual architecture diagram by providing a requirements file and running the architecture diagram generator. This produces a Mermaid diagram that visually maps your scalable application architecture, component design, and system structure.

You should avoid microservices architecture when early-stage application design demands rapid deployment or simpler maintenance, as it introduces distributed system complexity. Monolith or serverless patterns often provide better separation of concerns and scalability for smaller tech stacks.