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Overview

Microservices

All Microservices

What are microservices?

When should you choose microservices over a monolith?

How do services communicate?

How do you define service boundaries?

How do you handle distributed transactions?

What is the saga pattern?

How do you deploy microservices safely?

How do you observe a microservices system?

How do you manage shared data?

What are common microservices failure modes?

Distributed Systems

All Distributed Systems

What is a distributed system?

What is the CAP theorem?

What is eventual consistency?

How do you make a distributed operation idempotent?

What is leader election?

How do you handle clock skew?

What is a quorum?

How do retries and backoff work?

What is the difference between at-least-once and exactly-once delivery?

How do you design for partial failure?

API Design

All API Design

What makes an API easy to use?

How do you model an API resource?

How do you design consistent API errors?

How do you version an API contract?

How do you design pagination?

How do you handle backward compatibility?

How do you design an idempotent write API?

How do you document an API?

How do you authenticate and authorize an API?

How do you evolve an API without breaking clients?

Design Patterns

All Design Patterns

What is the strategy pattern?

What is the observer pattern?

What is the factory pattern?

What is the adapter pattern?

What is dependency injection?

What is the command pattern?

What is the repository pattern?

When is the singleton pattern appropriate?

How do composition and inheritance differ?

How do you know when not to use a design pattern?

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Microservices

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Microservices ​

Microservices