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Ktor Kotlin

⬢ NIVÅ 2Tekniskt
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2 månader
Tid att lära sig
Medel
Svårighetsgrad
4
Karriärer
I korthet

Ktor is a Kotlin web framework for building APIs and web servers, built on async I/O and coroutines. Lightweight, type-safe, no magic. Mastery takes 4-6 weeks. Practitioners earn 20-30% premium because they ship type-safe APIs faster than Java/Spring. The 5% who design high-performance Ktor services (100k+ req/sec) are valuable.

Vad är Ktor Kotlin

Ktor is a Kotlin web framework for building asynchronous HTTP services and APIs. Built on Kotlin coroutines, it's lightweight, high-performance, and philosophically minimal (you choose persistence, validation, logging, no batteries-included). Routing is type-safe, serialization is explicit (using kotlinx.serialization), and the async model is first-class. Ktor supports both client and server use cases. Server side: build REST APIs, WebSockets. Client side: make HTTP requests with coroutines.

🔧 VERKTYG & EKOSYSTEM
Ktor frameworkKotlin languageCoroutinesGradle buildSerialization (kotlinx)RoutingMiddleware

💰 Lön per region

OmrådeNybörjareMidErfaren
USA$80k$135k$200k
UK£50k£85k£130k
EU€55k€93k€140k
CANADAC$80kC$140kC$210k

⚖ Jämför med

Nodejs Express

❓ Vanliga frågor

How is Ktor different from Spring Boot?
Spring Boot is enterprise, full-featured (ORM, security, actuator). Ktor is lightweight, coroutine-first, minimal. Spring good for large monoliths; Ktor good for microservices, APIs. Ktor startup: 100ms, Spring: 5s.
What are coroutines?
Coroutines are lightweight threads (100k+ per process). I/O operation (network, disk) suspends coroutine, frees thread. Thousands of concurrent requests on 1 thread. Ktor built on coroutines natively.
Can I use Ktor with databases?
Yes. Use Exposed (Kotlin ORM) or direct SQL libraries. Ktor doesn't dictate persistence layer. Expose ORM is coroutine-aware.
Is Ktor production-ready?
Yes. Used by JetBrains, Grab, others. Ktor 2.0+ is stable. Good choice for new Kotlin projects.

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