submit home work week 4 (platform as a service -kubernetes)

Phase-1-Practices/Week-4/NguyenDucToan/Kubernetes - (platform as a service).md

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+# Kubernetes - (platform as a service) 
+
+## set up an ubuntu VM
+
+- 2 CPUs or more
+- 2GB of free memory
+- 20GB of free disk space
+- Internet connection
+
+## **A. install kubernetes via mini-kube**
+1. requirement packet:</br >
+First update the system and get latest stable packet version for Ubuntu:
+
+```bash
+$ sudo apt update
+$ sudo apt upgrade
+```
+
+- curl:
+```bash
+$ sudo apt install curl
+```
+- docker:
+```bash
+$ sudo apt install docker.io
+```
+
+2. install minikube on x86-64 Linux using Debian package:
+```bash
+$ curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube_latest_amd64.deb
+$ sudo dpkg -i minikube_latest_amd64.deb
+```
+
+3. install kubectl
+
+```bash
+$ sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl
+```
+
+4. Start minikube
+```bash
+$ sudo usermod -aG docker $USER && newgrp docker
+$ minikube start --driver=docker
+```
+![](https://raw.githubusercontent.com/toanduc0671/NguyenDucToan-week4/main/image/MinikubeStart.png)
+
+## **B. write manifest file to deploy wordpress on kubernetes**
+
+1. create mariadb.yaml
+```bash
+$ gedit mariadb.yaml
+```
+```
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: mariadb
+  labels:
+    app: mariadb
+    user: pinpoint
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: mariadb
+      tier: mariadb
+  template:
+    metadata:
+      labels:
+        app: mariadb
+        tier: mariadb
+    spec:
+      containers:
+      - name: mariadb
+        image: bitnami/mariadb:latest
+        ports:
+          - containerPort: 3306
+        env:
+        - name: MYSQL_ROOT_PASSWORD
+          value: "    "
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: mariadb-svc
+  labels:
+    user: pinpoint
+spec:
+  selector:
+     app: mariadb
+  type: ClusterIP
+  ports:
+    - port: 3306
+      targetPort: 3306
+```
+
+2. create wordpress.yaml
+```bash
+$ gedit wordpress.yaml
+```
+
+```
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: wordpress
+  labels:
+    app: wordpress
+    user: pinpoint
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: wordpress
+      tier: wordpress
+  template:
+    metadata:
+      labels:
+        app: wordpress
+        tier: wordpress
+    spec:
+      containers:
+      - name: wordpress
+        image: bitnami/wordpress:latest
+        ports:
+          - containerPort: 80
+        env:
+        - name: WORDPRESS_DB_HOST
+          value: "mariadb-svc"
+        - name: WORDPRESS_DB_USER
+          value: "root"
+        - name: WORDPRESS_DB_PASSWORD
+          value: "    "
+        - name: WORDPRESS_DB_NAME
+          value: "wp-test"
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: wordpress-svc
+  labels:
+    user: pinpoint
+spec:
+  selector:
+     app: wordpress
+  type: ClusterIP
+  ports:
+    - port: 80
+      targetPort: 80
+```
+
+3. apply:
+```bash
+$ kubectl apply -f mariadb.yaml
+$ kubectl apply -f wordpress.yaml
+```
+![](https://raw.githubusercontent.com/toanduc0671/NguyenDucToan-week4/main/image/applyMariadbyaml.png)
+
+![](https://raw.githubusercontent.com/toanduc0671/NguyenDucToan-week4/main/image/applyWordpress.png)
+
+## **C. result**
+
+```bash
+$ kubectl get pods
+```
+![](https://raw.githubusercontent.com/toanduc0671/NguyenDucToan-week4/main/image/getpods.png)
+
+```bash
+$ kubectl get service
+```
+![](https://raw.githubusercontent.com/toanduc0671/NguyenDucToan-week4/main/image/getservice.png)
+