🔵 Serverless & App Platform

Cloud Run, Cloud Functions, App Engine, Eventarc

Google Cloud ACE · ACE · ⏱️ 22 min · ❓ 5 savol

🚀 Cloud Run

Fully managed container runtime. Docker image deploy qiling, GCP infra boshqaradi. Scale to zero — traffic yo'qda hisob yo'q. Cloud Run services — HTTP endpoint. Cloud Run Jobs — batch/cron task. Concurrency: bitta instance bir vaqtda 1000 gacha so'rov. Min instances — cold start oldini olish.

⚡ Cloud Functions

Event-driven FaaS (Function as a Service). Gen 1 — HTTP va event trigger, 9 daqiqa max. Gen 2 — Cloud Run asosida, 60 daqiqa max, traffic splitting, concurrency. Trigger: HTTP, Pub/Sub, Cloud Storage event, Firestore, Cloud Scheduler. Node.js, Python, Go, Java, Ruby, PHP.

🌐 App Engine

PaaS — kod deploy, infra AWS Elastic Beanstalk kabi. Standard Environment — sandbox, scale to zero, tez start (ms). Flexible Environment — Docker container, VM asosida, sekinroq start. Traffic splitting — versiyalar orasida trafik taqsimlash. Cron jobs, Task Queue (Cloud Tasks).

📨 Eventarc

GCP event routing xizmati. Cloud Storage, Pub/Sub, BigQuery, Firebase eventlarni Cloud Run, Cloud Functions yoki Workflows ga yo'naltirish. CloudEvents standart format. Audit Log eventi ham trigger bo'la oladi. Event-driven architecture qurishda markaziy hub.

📊 Serverless Xizmatlar Taqqoslash

Xizmat	Unit	Max Run	Scale to Zero	Use Case
Cloud Run Service	Container	Unlimited (request)	✅	HTTP API, microservice
Cloud Run Job	Container	Unlimited (job)	✅	Batch, cron
Cloud Functions Gen2	Function	60 min	✅	Event-driven, webhook
App Engine Standard	Application	Request	✅	Web app, API
App Engine Flexible	Container (VM)	Unlimited	❌	Custom runtime, legacy

💡 Asosiy nuqtalar

Cloud Run: container, scale to zero, HTTP + Jobs
Cloud Functions Gen 2: 60 min max, concurrency
App Engine Standard: scale to zero, sandbox
App Engine Flexible: Docker, VM based
Eventarc: GCP event routing, CloudEvents format

🎯 Imtihon maslahatlari

"Fully managed container" → Cloud Run. "Fully managed function" → Cloud Functions
App Engine Standard vs Flexible: Standard = fast/free scale, Flexible = Docker/custom runtime
Cloud Functions Gen 2 = Cloud Run asosida — concurrency va traffic splitting mumkin
Eventarc — Cloud Audit Logs eventi ham trigger: "IAM policy o'zgarganda Cloud Run chaqirish"
Cloud Run min instances > 0 — cold start yo'q, lekin pul to'lanadi (standby uchun)

⚠️ Ko'p adashadigan

App Engine Flexible scale to zero qiladi deb o'ylash — Flexible da minimum 1 instance ishlaydi
Cloud Functions va Cloud Run bir xil deb o'ylash: CF=function (zip), CR=container (Dockerfile)
Eventarc = Pub/Sub deb chalg'ish: Pub/Sub=message queue, Eventarc=event routing/filtering

🧠 Eslab qolish: "Cloud Run = Docker run in cloud" — container bor, infra yo'q. "Functions = kichik vazifa, Run = to'liq xizmat". "App Engine Standard = Tez va bepul scale, Flexible = Sekin va doim ishlaydi"