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sudo su -

wget https://github.com/containerd/containerd/releases/download/v1.6.8/containerd-1.6.8-linux-amd64.tar.gz
tar Cxzvf /usr/local containerd-1.6.8-linux-amd64.tar.gz

wget https://github.com/opencontainers/runc/releases/download/v1.1.3/runc.amd64
install -m 755 runc.amd64 /usr/local/sbin/runc

wget https://github.com/containernetworking/plugins/releases/download/v1.1.1/cni-plugins-linux-amd64-v1.1.1.tgz

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## first taint on node##

## kubectl taint nodes node01 pod=allow:NoSchedule

apiVersion: v1
kind: Pod
metadata:
  labels:
    run: nginx
  name: nginx

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apiVersion: v1
kind: PersistentVolume
metadata:
  name: my-pv
spec:
  capacity:
    storage: 2Gi
  volumeMode: Filesystem
  accessModes:
    - ReadWriteOnce

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apiVersion: v1
kind: Pod
metadata:
  name: multi
spec:
  containers:
  - name: web
    image: nginx:alpine
    env:
      - name: NODE_NAME

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upstream loadbalance {
    server 10.154.0.4:5001;
    server 10.154.0.4:5002;
}

server {
    location / {
        proxy_pass http://loadbalance;
    }
}

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from flask import request, Flask
import json

app2 = Flask(__name__)
@app2.route('/')

def hello_world():
  
  return 'this is response from app2'

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from flask import request, Flask
import json

app1 = Flask(__name__)
@app1.route('/')

def hello_world():
  
  return 'this is response from app1'

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---
- name: Install docker 
  hosts: swarm_hosts
  become: true
  tasks:
    - name: Install pre-requisite packages
      yum:
        name: "{{item}}"
        state: latest
      loop:

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apiVersion: networking.k8s.io/v1beta1
kind: Ingress
metadata:
  name: webapp-ingress
  namespace: app
  annotations:
    kubernetes.io/ingress.class: nginx
    nginx.ingress.kubernetes.io/ssl-redirect: "false"
    nginx.ingress.kubernetes.io/use-regex: "true"
    nginx.ingress.kubernetes.io/rewrite-target: /$1

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apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
  labels:
    app: nginx
spec:
  replicas: 2
  selector:
    matchLabels: