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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

Runbook
A documented set of standardized procedures for handling routine operations and incident response in production systems.
ArgoCD
A declarative GitOps continuous delivery tool for Kubernetes that automatically syncs cluster state with Git repositories.
Artifact
A packaged, versioned output of a build process — such as a Docker image, JAR file, or compiled binary — ready for deployment.
Kubernetes ConfigMap
A Kubernetes object that stores non-sensitive configuration data as key-value pairs, injected into pods as environment variables or files.
Terraform
An open-source tool for provisioning and managing cloud infrastructure using declarative configuration files.
Monitoring
The practice of collecting, analyzing, and alerting on system metrics and logs to ensure application health and performance.
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