[BOAZ 발제] 도커/쿠버네티스/컨테이너

FROM node:16-alpine WORKDIR /usr/src/app COPY package*.json ./ RUN npm install COPY . . EXPOSE 80 CMD [ "node", "app.js" ]

>> docker --version

>> docker search nginx NAME DESCRIPTION STARS OFFICIAL AUTOMATED nginx Official build of Nginx. 19553 [OK] bitnami/nginx Bitnami nginx Docker Image 181 [OK] nginxinc/nginx-unprivileged Unprivileged NGINX Dockerfiles 140 nginxproxy/acme-companion Automated ACME SSL certificate generation fo… 130 nginxproxy/nginx-proxy Automated nginx proxy for Docker containers … 129 ubuntu/nginx Nginx, a high-performance reverse proxy & we… 111 nginx/nginx-ingress NGINX and NGINX Plus Ingress Controllers fo… 88 nginx/unit This repository is retired, use the Docker o… 64 nginx/nginx-prometheus-exporter NGINX Prometheus Exporter for NGINX and NGIN… 36 bitnami/nginx-ingress-controller Bitnami Docker Image for NGINX Ingress Contr… 32 [OK] unit Official build of NGINX Unit: Universal Web … 20 [OK] nginxproxy/docker-gen Generate files from docker container meta-da… 14 rancher/nginx-ingress-controller 12 kasmweb/nginx An Nginx image based off nginx:alpine and in… 7 nginxinc/nginx-s3-gateway Authenticating and caching gateway based on … 6 nginxinc/ingress-demo Ingress Demo 4 nginx/nginx-ingress-operator NGINX Ingress Operator for NGINX and NGINX P… 2 nginxinc/amplify-agent NGINX Amplify Agent docker repository 1 nginx/nginx-quic-qns NGINX QUIC interop 1 nginxinc/nginmesh_proxy_debug 0 nginxinc/mra-fakes3 0 nginxinc/mra_python_base 0 nginxinc/ngx-rust-tool 0 nginxinc/nginmesh_proxy_init 0

>> docker pull nginx Using default tag: latest latest: Pulling from library/nginx a5573528b1f0: Pull complete 8897d65c8417: Pull complete fbc138d1d206: Pull complete 06f386eb9182: Pull complete aeb2f3db77c3: Pull complete 64fb762834ec: Pull complete e5a7e61f6ff4: Pull complete Digest: sha256:4c0fdaa8b6341bfdeca5f18f7837462c80cff90527ee35ef185571e1c327beac Status: Downloaded newer image for nginx:latest docker.io/library/nginx:latest

>> docker images REPOSITORY TAG IMAGE ID CREATED SIZE nginx latest 6c7be49d2a11 3 months ago 192MB

>> docker run -d --name nginx-web -p 8000:80 nginx

>> docker ps

>> docker stop nginx-web

>> docker rm nginx-web

docker rmi nginx

>> mkdir boaz-docker >> cd boaz-docker

from fastapi import FastAPI app = FastAPI() @app.get("/") async def root(): return {"message": "Hello World"}

FROM node:16-alpine WORKDIR /usr/src/app COPY package*.json ./ RUN npm install COPY . . EXPOSE 80 CMD [ "node", "app.js" ]

docker build . -t boaz-docker

> /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" > echo 'export PATH=/opt/homebrew/bin:$PATH' >> ~/.zshrc > source ~/.zshrc

> brew install kubernetes-cli || >brew install kubectl

> brew install --cask minikube > brew install --cask minitube > brew install minikube

> minikube version

> # kubectl v1.20 설치 curl -LO https://storage.googleapis.com/kubernetes-release/release/v1.20.0/bin/windows/amd64/kubectl.exe

> minikube start 😄 Darwin 12.3 (arm64) 의 minikube v1.31.2 🎉 minikube 1.32.0 이 사용가능합니다! 다음 경로에서 다운받으세요: https://github.com/kubernetes/minikube/releases/tag/v1.32.0 💡 해당 알림을 비활성화하려면 다음 명령어를 실행하세요. 'minikube config set WantUpdateNotification false' ✨ 기존 프로필에 기반하여 docker 드라이버를 사용하는 중 👍 minikube 클러스터의 minikube 컨트롤 플레인 노드를 시작하는 중 🚜 베이스 이미지를 다운받는 중 ... 🤷 docker "minikube" container is missing, will recreate. 🔥 Creating docker container (CPUs=2, Memory=4000MB) ... 🐳 쿠버네티스 v1.27.4 을 Docker 24.0.4 런타임으로 설치하는 중 ▪ 인증서 및 키를 생성하는 중 ... ▪ 컨트롤 플레인이 부팅... ▪ RBAC 규칙을 구성하는 중 ... 🔗 Configuring bridge CNI (Container Networking Interface) ... 🔎 Kubernetes 구성 요소를 확인... ▪ Using image gcr.io/k8s-minikube/storage-provisioner:v5 ▪ Using image docker.io/kubernetesui/dashboard:v2.7.0 ▪ Using image docker.io/kubernetesui/metrics-scraper:v1.0.8 💡 Some dashboard features require the metrics-server addon. To enable all features please run: minikube addons enable metrics-server 🌟 애드온 활성화 : storage-provisioner, default-storageclass, dashboard 🏄 끝났습니다! kubectl이 "minikube" 클러스터와 "default" 네임스페이스를 기본적으로 사용하도록 구성되었습니다.

> minikube dashboard

> git clone https://github.com/sunnyineverywhere/boaz-k8s-scripts.git

apiVersion: apps/v1 kind: Deployment metadata: name: hello-k8s labels: app: hello-k8s spec: replicas: 1 selector: matchLabels: app: hello-k8s template: metadata: labels: app: hello-k8s spec: containers: - name: hello-k8s image: sunnyineverywhere/hell-minikube ports: - containerPort: 8080

# kubectl apply -f {yaml file name} > kubectl apply -f hello-deployment.yaml => deployment.apps/hello-k8s created

> kubectl get deployments NAME READY UP-TO-DATE AVAILABLE AGE hello-k8s 0/1 1 0 45s

apiVersion: v1 kind: Service metadata: name: hello-k8s namespace: default labels: app: hello-k8s spec: selector: app: hello-k8s ports: - protocol: TCP port: 8080 nodePort: 30090 type: NodePort

> kubectl apply -f hello-service.yaml

> kubectl get service NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE hello-k8s NodePort 10.99.251.7 <none> 8080:30090/TCP 16s kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 5h11m

> minikube service hello-k8s |-----------|-----------|-------------|---------------------------| | NAMESPACE | NAME | TARGET PORT | URL | |-----------|-----------|-------------|---------------------------| | default | hello-k8s | 8080 | http://192.168.49.2:30090 | |-----------|-----------|-------------|---------------------------| 🏃 Starting tunnel for service hello-k8s. |-----------|-----------|-------------|------------------------| | NAMESPACE | NAME | TARGET PORT | URL | |-----------|-----------|-------------|------------------------| | default | hello-k8s | | http://127.0.0.1:50287 | |-----------|-----------|-------------|------------------------| 🎉 Opening service default/hello-k8s in default browser... ❗ Because you are using a Docker driver on darwin, the terminal needs to be open to run it.

> kubectl delete deploy --all