{"id":21388933,"url":"https://github.com/currenjin/containers","last_synced_at":"2026-05-07T12:31:01.891Z","repository":{"id":112770926,"uuid":"287687222","full_name":"currenjin/Containers","owner":"currenjin","description":"[Docker\u0026Kubernetes] 컨테이너를 공부하며 기록하고 정리합니다.","archived":false,"fork":false,"pushed_at":"2020-08-19T07:22:59.000Z","size":73,"stargazers_count":2,"open_issues_count":0,"forks_count":1,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-01-23T00:27:54.402Z","etag":null,"topics":["cka","cluster","container","containers","deployment","docker","k8s","kubectl","kubernetes","kubernetes-cluster","pod","yaml"],"latest_commit_sha":null,"homepage":"","language":"HCL","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/currenjin.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2020-08-15T05:56:32.000Z","updated_at":"2022-11-09T20:29:10.000Z","dependencies_parsed_at":"2023-03-07T16:15:53.556Z","dependency_job_id":null,"html_url":"https://github.com/currenjin/Containers","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/currenjin%2FContainers","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/currenjin%2FContainers/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/currenjin%2FContainers/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/currenjin%2FContainers/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/currenjin","download_url":"https://codeload.github.com/currenjin/Containers/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":243871654,"owners_count":20361377,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["cka","cluster","container","containers","deployment","docker","k8s","kubectl","kubernetes","kubernetes-cluster","pod","yaml"],"created_at":"2024-11-22T12:20:04.568Z","updated_at":"2026-05-07T12:30:56.872Z","avatar_url":"https://github.com/currenjin.png","language":"HCL","funding_links":[],"categories":[],"sub_categories":[],"readme":"# 컨테이너란 무엇일까요?\n\n### [Docker\u0026Kubernetes 포스팅](https://simpleisit.tistory.com/category/Simple%20is%20IT/Cloud%20%26%20Container)\n\n### [Certified Kubernetes Administrator](./certified_kubernetes_administrator)\n\n### [시작하세요! 도커\u0026쿠버네티스](./start-docker-kubernetes)\n\n\u003cbr\u003e\n\n## [자주쓰고 유용한 명령어]\n\n### POD, Deployment\n\nCreate a POD\u003cbr\u003e\n`kubectl run --generator=run-pod/v1 nginx --image=nginx`\n\u003cbr\u003e\u003cbr\u003e\n\nGenerate POD Manifast YAML file(-o yaml). Don't create it(--dry-run)\u003cbr\u003e\n`kubectl run --generator=run-pod/v1 nginx --image=nginx --dry-run -o yaml`\n\u003cbr\u003e\u003cbr\u003e\n\nCreate a Deployment\u003cbr\u003e\n`kubectl create deployment --image=nginx nginx`\n\u003cbr\u003e\u003cbr\u003e\n\nGenerate Deployment YAML file(-o yaml). Don't create it(--dry-run)\u003cbr\u003e\n`kubectl create deployment --image=nginx nginx --dry-run -o yaml`\n\u003cbr\u003e\u003cbr\u003e\n\nGenerate Deployment YAML file(-o yaml). Don't create it(--dry-run) with 4 Replicas (--replicas=4)\u003cbr\u003e\n`kubectl create deployment --image=nginx nginx --dry-run -o yaml \u003e nginx-deployment.yaml`\n\u003cbr\u003e\u003cbr\u003e\n\n### Services\n\nCreate a Service named redis-service of type ClusterIP to expose pod redis on port 6379\u003cbr\u003e\n`kubectl expose pod redis --port=6379 --name redis-service --dry-run=client -o yaml`\n\u003cbr\u003eor\u003cbr\u003e\n`kubectl create service clusterip redis --tcp=6379:6379 --dry-run=client -o yaml`\n\u003cbr\u003e\u003cbr\u003e\n\nCreate a Service named nginx of type NodePort to expose pod nginx's port 80 on port 30080 on the nodes\u003cbr\u003e\n`kubectl expose pod nginx --port=80 --name nginx-service --type=NodePort --dry-run=client -o yaml`\n\u003cbr\u003eor\u003cbr\u003e\n`kubectl create service nodeport nginx --tcp=80:80 --node-port=30080 --dry-run=client -o yaml`\n\u003cbr\u003e\u003cbr\u003e\n\n위 명령에서 발생하는 이슈 중 하나는 Selector를 받아들일 수 없고, 다른 하나는 Node Port를 받아들일 수 없습니다. 혹시 필요하다면 미리 지정하는 것이 좋아요!\n\u003cbr\u003e\u003cbr\u003e\n\n### 명령어로 구현하는 예제\n\n\u003cdetails markdown=\"1\"\u003e\n\u003csummary\u003e접기/펼치기\u003c/summary\u003e\n\n\u003cbr\u003e\n\n\nPOD는 nginx-pod라는 이름을 갖고 nginx:alpine이미지를 사용합니다.\n```\n$ kubectl run --image=nginx:alpine nginx-pod\npod/nginx-pod created\n```\n\u003cbr\u003e\n\nPOD는 redis라는 이름을 갖고 redis:alpine이미지를 사용하며, 라벨은 tier=db입니다.\n```\n$ kubectl run redis --image=redis:alpine -l tier=db\npod/redis created\n```\n\u003cbr\u003e\n\nPOD가 정상 생성 되었어요.\n```\n$ kubectl get pods\nNAME        READY   STATUS    RESTARTS   AGE\nnginx-pod   1/1     Running   0          2m30s\nredis       1/1     Running   0          36s\n```\n\u003cbr\u003e\n\nredis POD의 6379포트를 외부로부터 연결 가능하도록 하는 서비스를 생성합니다.\n```\n$ kubectl expose pod redis --port=6379 --name redis-service\nservice/redis-service exposed\n```\n\u003cbr\u003e\n\nwebapp이라는 이름의 Deployment를 생성합니다. 이미지는 kodekloud/webapp-color를 사용하며, replicas를 3으로 제한합니다.\n```\n$ kubectl create deployment webapp --image=kodekloud/webapp-color\ndeployment.apps/webapp created\n\n$ kubectl scale deployment/webapp --replicas=3\ndeployment.apps/webapp scaled\n```\n\u003cbr\u003e\n\ncustom-nginx라는 이름의 POD를 생성합니다. nginx이미지를 사용하며 8080포트가 오픈되도록합니다.\n```\n$ kubectl run custom-nginx --image=nginx --port=8080\npod/custom-nginx created\n```\n\u003cbr\u003e\n\ndev-ns라는 이름의 namespace를 생성합니다.\n```\n$ kubectl create namespace dev-ns\nnamespace/dev-ns created\n```\n\u003cbr\u003e\n\nredis-deploy라는 이름의 Deployment를 생성합니다. 이미지는 redis를 사용하며, namespace는 dev-ns입니다. 추가로 replicas를 2로 제한합니다.\n```\n$ kubectl create deployment redis-deploy --image=redis --namespace=dev-ns\ndeployment.apps/redis-deploy created\n\n$ kubectl scale deployment/redis-deploy --replicas=2 --namespace=dev-ns\ndeployment.apps/redis-deploy scaled\n```\n\u003cbr\u003e\n\nPOD를 생성합니다. 이름은 httpd이며, 이미지는 httpd:alpine을 사용합니다. 추가로 80포트를 외부에 노출시킬 수 있어야합니다.(ClusterIP)\n```\n$ kubectl run httpd --image httpd:alpine\npod/httpd created\n\n$ kubectl run httpd --image=httpd:alpine --port=80 --expose\nservice/httpd created\npod/httpd created\n```\n\u003cbr\u003e\n\n\u003c/details\u003e\n\u003cbr\u003e\u003cbr\u003e\n\n\n## [유용한 설명 링크]\n\n### [kubectl Usage Converntions](https://kubernetes.io/docs/reference/kubectl/conventions/)\n\u003cbr\u003e\n\n\n1. [AWS에서 kubeadm로 클라우드 프로바이더를 설정해 쿠버네티스 설치하기](https://blog.naver.com/alice_k106/221696987140)\n2. [kops 설치 시, IAM 역할 및 사용자 생성하기](https://blog.naver.com/alice_k106/221342005691)\n3. [쿠버네티스 컴포넌트의 실행 옵션 변경하기](https://blog.naver.com/alice_k106/221737477464)\n4. [쿠버네티스 버전이 너무 낮을 때 Nginx Ingress 포드가 Pending으로 뜨는 현상](./lecture4-nginx-ingress.md)\n5. [GKE에서 Google Persistent Disk를 사용해 퍼시스턴트 볼륨 사용하기](https://blog.naver.com/alice_k106/221737984779)\n6. [Dex와 Guard를 이용한 쿠버네티스 사용자 인증 방법](https://blog.naver.com/alice_k106/221598325656)\n7. [CPU Affinity를 위해 CPU Manager 사용하기](https://blog.naver.com/alice_k106/221633530545)\n8. [애드미션 컨트롤러를 직접 구현해보기](https://blog.naver.com/alice_k106/221546328906)\n9. [커스텀 리소스의 제어를 위한 Operator 직접 구현해보기](https://blog.naver.com/alice_k106/221586279079)\n\n\u003cbr\u003e\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcurrenjin%2Fcontainers","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fcurrenjin%2Fcontainers","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcurrenjin%2Fcontainers/lists"}