Answer
Use message brokers, REST or GraphQL, async event buses, service discovery, and strict domain boundaries. Avoid shared databases. Use DTOs and versioned APIs to prevent coupling.
Quick Answer
PHP microservices: each service is an independent deployable unit with its own database. Communicate via REST APIs or message queues (RabbitMQ). Use domain events for loose coupling. Avoid shared libraries between services (they create hidden coupling). Use API Gateway for routing. Implement circuit breakers for fault tolerance. Define clear service contracts. Each service owns its data - no shared database.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ