๐Ÿ“ฆ Kubernetes & Minikube ๊ฐœ๋… ์ •๋ฆฌ

2025. 6. 28. 19:50ยทOS/Kubernetes

 


๐Ÿงญ Kubernetes๋ž€?

**Kubernetes(์ฟ ๋ฒ„๋„คํ‹ฐ์Šค)**๋Š” ์ปจํ…Œ์ด๋„ˆ(Docker ๋“ฑ)๋ฅผ ์ž๋™์œผ๋กœ ๋ฐฐํฌ·์šด์˜·ํ™•์žฅ·๋ณต๊ตฌํ•  ์ˆ˜ ์žˆ๋„๋ก ๋„์™€์ฃผ๋Š” ์ปจํ…Œ์ด๋„ˆ ์˜ค์ผ€์ŠคํŠธ๋ ˆ์ด์…˜ ํ”Œ๋žซํผ์ž…๋‹ˆ๋‹ค.


โœ… Kubernetes๊ฐ€ ํ•„์š”ํ•œ ์ด์œ 

๊ธฐ์กด ๋ฐฉ์‹ Kubernetes ๋ฐฉ์‹

์ˆ˜๋™์œผ๋กœ ์ปจํ…Œ์ด๋„ˆ ๋ฐฐํฌ ์ž๋™ํ™”๋œ ๋ฐฐํฌ ๋ฐ ๊ด€๋ฆฌ
์„œ๋ฒ„ ์žฅ์•  ์‹œ ์ง์ ‘ ์žฌ์‹œ์ž‘ ํ—ฌ์Šค์ฒดํฌ๋กœ ์ž๋™ ๋ณต๊ตฌ
์„œ๋ฒ„ ํ™•์žฅ ์–ด๋ ค์›€ YAML ํŒŒ์ผ๋กœ ๊ฐ„๋‹จํžˆ ํ™•์žฅ
๋กœ๋“œ๋ฐธ๋Ÿฐ์‹ฑ ์ˆ˜๋™ ์„ค์ • ์ž๋™ ์„œ๋น„์Šค ๋””์Šค์ปค๋ฒ„๋ฆฌ
๋ฐฐํฌ ์„ค์ •์ด ํฉ์–ด์ง ๋ชจ๋“  ๊ตฌ์„ฑ YAML๋กœ ์ •์˜ (๋ฒ„์ „๊ด€๋ฆฌ ๊ฐ€๋Šฅ)

๐Ÿ”ง Kubernetes ๊ตฌ์„ฑ์š”์†Œ ์š”์•ฝ

๊ตฌ์„ฑ์š”์†Œ ์„ค๋ช… ๋น„์œ 

Pod ์ปจํ…Œ์ด๋„ˆ 1๊ฐœ ๋˜๋Š” ๋ฌถ์Œ (๊ธฐ๋ณธ ๋‹จ์œ„) ํƒ๋ฐฐ ์ƒ์ž
Node Pod๊ฐ€ ์‹คํ–‰๋˜๋Š” ์‹ค์ œ ์„œ๋ฒ„ ๋ฐฐ๋‹ฌ ์ฐจ๋Ÿ‰
Deployment Pod๋ฅผ ๋ช‡ ๊ฐœ, ์–ด๋–ป๊ฒŒ ์œ ์ง€ํ• ์ง€ ์ •์˜ ์ƒ์‚ฐ ๊ณ„ํš์„œ
Service Pod ์ ‘๊ทผ์„ ์œ„ํ•œ ๊ฐ€์ƒ IP ๋ฐ ๋ผ์šฐํŒ… ์„ค์ • ์ฝœ์„ผํ„ฐ
Ingress ๋„๋ฉ”์ธ URL์„ ์„œ๋น„์Šค์— ์—ฐ๊ฒฐ (nginx ๋“ฑ ์‚ฌ์šฉ) ๋„๋กœ
ConfigMap / Secret ํ™˜๊ฒฝ ์„ค์ • ๋˜๋Š” ๋ฏผ๊ฐ ์ •๋ณด ์™ธ๋ถ€ํ™” ์„ค์ • ํŒŒ์ผ
Namespace ๋ฆฌ์†Œ์Šค๋“ค์„ ๊ตฌ๋ถ„ํ•˜๋Š” ๊ฐ€์ƒ ๊ณต๊ฐ„ ํด๋” ๋˜๋Š” ํŒ€

๐Ÿงช Kubernetes๋กœ ํ•  ์ˆ˜ ์žˆ๋Š” ์ผ

  • ์ปจํ…Œ์ด๋„ˆ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์ž๋™ ๋ฐฐํฌ
  • ํŠธ๋ž˜ํ”ฝ์— ๋”ฐ๋ผ ์„œ๋น„์Šค ์ž๋™ ํ™•์žฅ
  • ์žฅ์•  ๋ฐœ์ƒ ์‹œ ์ž๋™ ์žฌ์‹œ์ž‘
  • ๋‹ค์–‘ํ•œ ํ™˜๊ฒฝ์—์„œ ํ†ต์ผ๋œ ๋ฐฐํฌ ๋ฐฉ์‹ ์ ์šฉ
  • ๋กœ๊ทธ/๋ชจ๋‹ˆํ„ฐ๋ง ์—ฐ๋™

โ˜๏ธ Kubernetes ์‚ฌ์šฉ ํ™˜๊ฒฝ

ํ™˜๊ฒฝ ์˜ˆ์‹œ

ํผ๋ธ”๋ฆญ ํด๋ผ์šฐ๋“œ AWS EKS, GCP GKE, Azure AKS
์˜จํ”„๋ ˆ๋ฏธ์Šค ์„œ๋ฒ„ kubeadm, Rancher ๋“ฑ
๋กœ์ปฌ ๊ฐœ๋ฐœ์šฉ Minikube, Kind

๐Ÿš€ Minikube๋ž€?

Minikube๋Š” ๋กœ์ปฌ Ubuntu/Windows/Mac ํ™˜๊ฒฝ์—์„œ Kubernetes ํด๋Ÿฌ์Šคํ„ฐ๋ฅผ ๊ฐ€๋ณ๊ฒŒ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ๋Š” ๋„๊ตฌ์ž…๋‹ˆ๋‹ค.


โœ… ํŠน์ง•

  • ๋‹จ์ผ ๋…ธ๋“œ Kubernetes ํด๋Ÿฌ์Šคํ„ฐ ์ƒ์„ฑ (ํ•™์Šต์šฉ/๊ฐœ๋ฐœ์šฉ)
  • ์‹ค์ œ Kubernetes ๊ตฌ์„ฑ๊ณผ ๊ฑฐ์˜ ๋™์ผ
  • Docker, VirtualBox, Hyperkit ๋“ฑ ๋‹ค์–‘ํ•œ ๋“œ๋ผ์ด๋ฒ„ ์ง€์›
  • kubectl ๋ช…๋ น์–ด ๊ทธ๋Œ€๋กœ ์‚ฌ์šฉ ๊ฐ€๋Šฅ

โœ… Minikube ์‹ค์Šต ํ๋ฆ„

  1. Minikube ์„ค์น˜ (Ubuntu ๊ธฐ์ค€ -driver=docker ์ถ”์ฒœ)
  2. kubectl CLI ์„ค์น˜
  3. minikube start ๋กœ ํด๋Ÿฌ์Šคํ„ฐ ๊ธฐ๋™
  4. kubectl apply ๋กœ ๋ฐฐํฌ ์„ค์ • ์‹คํ–‰
  5. minikube service ๋ช…๋ น์–ด๋กœ ์„œ๋น„์Šค ์ ‘๊ทผ ํ…Œ์ŠคํŠธ

โœ… ์‹ค์Šต ํ™˜๊ฒฝ ์ถ”์ฒœ

  • VMware Ubuntu์—์„œ Minikube ์„ค์น˜ → Spring Boot ์•ฑ ๋ฐฐํฌ ์‹ค์Šต
  • ๋„์ปค ์ด๋ฏธ์ง€ → Kubernetes ํด๋Ÿฌ์Šคํ„ฐ์— ์˜ฌ๋ฆฌ๊ธฐ
  • LoadBalancer, Ingress, ConfigMap ๋“ฑ ์‹ค์Šต ๊ฐ€๋Šฅ

'OS > Kubernetes' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

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'OS/Kubernetes' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
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  • ๐ŸŸข [Kubernetes] Minikube ์„ค์น˜ ๋ฐ ํด๋Ÿฌ์Šคํ„ฐ ์‹œ์ž‘ํ•˜๊ธฐ
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