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DevOps Intermediate

What is Microservices?

An architectural style where an application is composed of small, independent services that communicate over APIs.

Microservices break monolithic applications into small, focused services — each responsible for a single business function. Services can be developed, deployed, and scaled independently using different technologies.

Benefits include team autonomy, technology flexibility, and independent scaling. Challenges include distributed system complexity, data consistency, service discovery, and inter-service communication overhead.

Related Terms

Continuous Deployment
A practice where every code change that passes automated tests is automatically deployed to production.
Incident Management
The process of detecting, responding to, and resolving service disruptions to minimize impact and restore normal operations.
Kubernetes Secret
A Kubernetes object for storing sensitive data like passwords, tokens, and certificates, with base64 encoding and optional encryption at rest.
Canary Deployment
A deployment strategy that gradually rolls out changes to a small subset of users before deploying to the entire infrastructure.
ELK Stack
A popular log management platform combining Elasticsearch (search), Logstash (processing), and Kibana (visualization).
Environment Variable
A dynamic value stored outside the application code that configures behavior without hardcoding sensitive or environment-specific data.
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