๐ŸŸข [Kubernetes] YAML๋กœ Nginx ๋ฐฐํฌ ๋ฐ ํŒŒ๋“œ ํ™•์žฅํ•˜๊ธฐ

2025. 6. 30. 22:57ยทOS/Kubernetes

๐Ÿ“Œ ๊ฐœ์š”

์ด๋ฒˆ ๊ธ€์—์„œ๋Š” kubectl ๋ช…๋ น์–ด ๋Œ€์‹  YAML ํŒŒ์ผ์„ ์‚ฌ์šฉํ•ด Nginx๋ฅผ ๋ฐฐํฌํ•˜๊ณ ,
ํŒŒ๋“œ(Pod)๋ฅผ ๋™์‹œ์— ์—ฌ๋Ÿฌ ๊ฐœ ์‹คํ–‰ํ•˜๋Š” ์‹ค์Šต์„ ์ง„ํ–‰ํ•ฉ๋‹ˆ๋‹ค.
์ด ๋ฐฉ์‹์€ ์‹ค๋ฌด์—์„œ ๋ฒ„์ „ ๊ด€๋ฆฌ ๋ฐ ์„ ์–ธ์  ์ธํ”„๋ผ ๊ตฌ์„ฑ์„ ์œ„ํ•ด ๋งค์šฐ ์ค‘์š”ํ•ฉ๋‹ˆ๋‹ค.


โœ… ์‹ค์Šต ๋ชฉํ‘œ

  • Deployment YAML์„ ์ž‘์„ฑํ•ด์„œ Nginx ๋ฐฐํฌ
  • replicas ์˜ต์…˜์œผ๋กœ ํŒŒ๋“œ๋ฅผ 3๊ฐœ๋กœ ํ™•์žฅ
  • NodePort ํƒ€์ž…์˜ ์„œ๋น„์Šค๋กœ ์™ธ๋ถ€ ์ ‘์† ๊ฐ€๋Šฅํ•˜๊ฒŒ ๋งŒ๋“ค๊ธฐ

1๏ธโƒฃ Nginx Deployment ์ •์˜ (nginx-deployment.yaml)

yaml
๋ณต์‚ฌํŽธ์ง‘
apiVersion: apps/v1 kind: Deployment metadata: name: nginx spec: replicas: 3 selector: matchLabels: app: nginx template: metadata: labels: app: nginx spec: containers: - name: nginx image: nginx ports: - containerPort: 80

โœ… replicas: 3 → ํŒŒ๋“œ๊ฐ€ ์ด 3๊ฐœ ์ƒ์„ฑ๋ฉ๋‹ˆ๋‹ค.


2๏ธโƒฃ Deployment ์ ์šฉ

bash
๋ณต์‚ฌํŽธ์ง‘
kubectl apply -f nginx-deployment.yaml

3๏ธโƒฃ ํŒŒ๋“œ ์‹คํ–‰ ํ™•์ธ

bash
๋ณต์‚ฌํŽธ์ง‘
kubectl get pods

์˜ˆ์‹œ:

sql
๋ณต์‚ฌํŽธ์ง‘
nginx-748c4c6d8d-hp6zd 1/1 Running nginx-748c4c6d8d-jg78q 1/1 Running nginx-748c4c6d8d-wtx6f 1/1 Running

4๏ธโƒฃ ์„œ๋น„์Šค ์ •์˜ (nginx-service.yaml)

yaml
๋ณต์‚ฌํŽธ์ง‘
apiVersion: v1 kind: Service metadata: name: nginx-service spec: selector: app: nginx type: NodePort ports: - port: 80 targetPort: 80 nodePort: 30080

โœ… nodePort: 30080 → ์™ธ๋ถ€์—์„œ ์ ‘๊ทผ ๊ฐ€๋Šฅํ•˜๋„๋ก ์„ค์ •


5๏ธโƒฃ ์„œ๋น„์Šค ์ ์šฉ ๋ฐ ์ ‘์† ํ™•์ธ

bash
๋ณต์‚ฌํŽธ์ง‘
kubectl apply -f nginx-service.yaml kubectl get svc minikube service nginx-service

์ถœ๋ ฅ ์˜ˆ์‹œ:

pgsql
๋ณต์‚ฌํŽธ์ง‘
| NAME | TYPE | PORT(S) | |----------------|------------|----------------| | nginx-service | NodePort | 80:30080/TCP |
  • ๋ธŒ๋ผ์šฐ์ €์—์„œ http://localhost:30080 ๋˜๋Š” minikube service nginx-service ์ž๋™ ์˜คํ”ˆ

๐Ÿงน ๋ฆฌ์†Œ์Šค ์‚ญ์ œ (์„ ํƒ)

bash
๋ณต์‚ฌํŽธ์ง‘
kubectl delete -f nginx-service.yaml kubectl delete -f nginx-deployment.yaml

โœ… ์š”์•ฝ ์ •๋ฆฌ

ํ•ญ๋ชฉ์„ค๋ช…
๋ฐฐํฌ ๋ฐฉ์‹ YAML ๊ธฐ๋ฐ˜ (kubectl apply -f)
ํŒŒ๋“œ ๊ฐœ์ˆ˜ ์„ค์ • replicas: 3
์™ธ๋ถ€ ์„œ๋น„์Šค NodePort ๋ฐฉ์‹, ๋ธŒ๋ผ์šฐ์ € ์ ‘์† ๊ฐ€๋Šฅ
์šด์˜ ์‹ค๋ฌด ํ™œ์šฉ Git์œผ๋กœ ๋ฒ„์ „ ๊ด€๋ฆฌ, ๋ฐฐํฌ ์ž๋™ํ™”์— ์ ํ•ฉ

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๐ŸŸข [Kubernetes] YAML๋กœ Nginx ๋ฐฐํฌ ๋ฐ ํŒŒ๋“œ ํ™•์žฅํ•˜๊ธฐ
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