Se mejora el ejercicio de la clase 5

Clase 3/Ejercicio/mysql-phpmyadmin/docker-compose.yaml

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+version: '3.3'
+services:
+  db:
+    image: mysql
+    restart: always
+    environment:
+      MYSQL_ROOT_PASSWORD: password
+    ports:
+      - '3306:3306'
+    expose:
+      - '3306'
+    volumes:
+      - my-db:/var/lib/mysql
+  phpmyadmin:
+    image: phpmyadmin/phpmyadmin
+    restart: always
+    environment:
+      PMA_HOSTS: db
+      MYSQL_ROOT_PASSWORD: password
+    ports:
+      - '8080:80'
+    expose:
+      - '80'
+    depends_on:
+      - db
+volumes:
+  my-db:
+    external: false #if true will try to find a folder that you set

Clase 3/Ejercicio/mysql/docker-compose.yaml

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+version: '3.3'
+services:
+  db:
+    image: mysql
+    restart: always
+    environment:
+      MYSQL_ROOT_PASSWORD: password
+    ports:
+      - '3306:3306'
+    expose:
+      - '3306'
+    volumes:
+      - my-db:/var/lib/mysql
+volumes:
+  my-db:
+    external: false #if true will try to find a folder that you set

Clase 3/README.md

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+# Clase 3
+![Diap1](./img/Diap1.png)
+![Diap2](./img/Diap2.png)
+
+![Diap3](../img/Agradecimiento.png)

Clase 4/Ejercicio/hello-app/hello-app.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: hello
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: my-hello-svc
+  namespace: hello
+  labels:
+    app: hello
+spec:
+  type: ClusterIP
+  selector:
+    app: hello
+  ports:
+  - port: 80
+    targetPort: 8080
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: my-hello
+  namespace: hello
+  labels:
+    app: hello
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: hello
+  template:
+    metadata:
+      labels:
+        app: hello
+    spec:
+      containers:
+      - name: hello
+        image: gcr.io/google-samples/hello-app:1.0
+        resources:
+          limits:
+            memory: "128Mi"
+            cpu: "500m"
+        ports:
+        - containerPort: 8080
+

Clase 4/Ejercicio/nginx-app/nginx-app.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: nginx
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: my-ngnix-svc
+  namespace: nginx
+  labels:
+    app: nginx
+spec:
+  type: ClusterIP
+  selector:
+    app: nginx
+  ports:
+  - port: 80
+    targetPort: 80
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: my-nginx
+  namespace: nginx
+  labels:
+    app: nginx
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: nginx
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - name: nginx
+        image: nginx
+        resources:
+          limits:
+            memory: "128Mi"
+            cpu: "500m"
+        ports:
+        - containerPort: 80
+

Clase 4/README.md

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+# Clase 4
+![Diap1](./img/Diap1.png)
+![Diap2](./img/Diap2.png)
+![Diap3](./img/Diap3.png)
+![Diap4](./img/Diap4.png)
+![Diap5](./img/Diap5.png)
+![Diap6](./img/Diap6.png)
+![Diap7](./img/Diap7.png)
+![Diap8](./img/Diap8.png)
+![Diap9](./img/Diap9.png)
+![Diap10](./img/Diap10.png)
+
+![Diap11](../img/Agradecimiento.png)

Clase 5/Ejercicio/node-show-text-app/configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: node-app-configmap
+  namespace: node-app
+data:
+  # Mensaje personalizado
+  message: "Este es un mensaje personalizado."
+  # file-like keys
+  # Archivo de app (Código)
+  app.js: |
+    const express = require('express')
+    const app = express()
+    const port = process.env.PORT ? process.env.PORT : 80
+
+    app.get('/', (req, res) => {
+      res.send(process.env.MESSAGE ? process.env.MESSAGE : 'Hello World!')
+    })
+
+    app.get('/secret', (req, res) => {
+      res.send(process.env.SECRET ? process.env.SECRET : 'Hello Secret World!')
+    })
+
+
+    app.listen(port, () => {
+      console.log(`Example app listening on port ${port}`)
+    })
+  package.json: |
+    {
+      "name": "show-text-app",
+      "version": "1.0.0",
+      "description": "example app",
+      "main": "app.js",
+      "scripts": {
+        "test": "echo \"Error: no test specified\" && exit 1"
+      },
+      "author": "Alejandro Lembke Barrientos",
+      "license": "MIT",
+      "dependencies": {
+        "express": "^4.18.1"
+      }
+    }

Clase 5/Ejercicio/node-show-text-app/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: node-app
+  namespace: node-app
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      com.docker.project: node-app
+      app: node-app
+  template:
+    metadata:
+        labels:
+          com.docker.project: node-app
+          app: node-app
+    spec:
+      containers:
+        - name: node-app
+          image: node
+          command:
+            - "/bin/sh"
+            - "-c"
+            - "cd /app && npm install && node app.js"
+          env:
+          - name: PORT
+            value: "3000"
+          - name: SECRET
+            valueFrom:
+              secretKeyRef:
+                name: node-app-secret
+                key: secret
+          - name: MESSAGE
+            valueFrom:
+              configMapKeyRef:
+                name: node-app-configmap
+                key: message
+          resources:
+            limits:
+              memory: "128Mi"
+              cpu: "500m"
+          ports:
+            - containerPort: 3000
+              protocol: TCP
+          volumeMounts:
+            - name: app-files
+              mountPath: /app/app.js
+              subPath: app.js
+            - name: app-files
+              mountPath: /app/package.json
+              subPath: package.json
+      volumes:
+      - name: app-files
+        configMap:
+          name: node-app-configmap

Clase 5/Ejercicio/node-show-text-app/namespace.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: node-app

Clase 5/Ejercicio/node-show-text-app/secret.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: node-app-secret
+  namespace: node-app
+type: Opaque
+data:
+  secret: RXN0ZSBlcyB1biB0ZXh0byBzZWNyZXRvLg==

Clase 5/Ejercicio/node-show-text-app/service-load-balancer.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: node-app-svc-lb
+  namespace: node-app
+spec:
+  ports:
+      - name: 80-tcp
+        port: 80
+        protocol: TCP
+        targetPort: 3000
+  selector:
+    com.docker.project: node-app
+  type: LoadBalancer
+status:
+  loadBalancer: {}

Clase 5/Ejercicio/node-show-text-app/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: node-app-svc
+  namespace: node-app
+  labels:
+    app: node-app
+spec:
+  type: ClusterIP
+  selector:
+    app: node-app
+  ports:
+  - port: 80
+    targetPort: 3000

Clase 5/README.md

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+# Clase 5
+![Diap1](./img/Diap1.png)
+![Diap2](./img/Diap2.png)
+![Diap3](./img/Diap3.png)
+
+Comando para entrar a la terminal de un contenedor:
+`kubectl exec -n {namespace} --stdin --tty {pod-name} -- /bin/bash`
+
+![Diap4](../img/Agradecimiento.png)