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apiVersion: v1
kind: Service
metadata:
    name: nginx-service
spec:
    type: ClusterIP
    selector:
        app: nginx
    ports:
    - port: 8080

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apiVersion: v1
kind: Service
metadata:
  name: nginx-nodeport
spec:
  type: NodePort
  selector:
    app: nginx
  ports:
    - port: 80

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apiVersion: v1
kind: Service
metadata:
  name: nginx-lb
spec:
  ports:
    - port: 80
  type: LoadBalancer
  selector:
    app: nginx

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apiVersion: apps/v1
kind: ReplicaSet
metadata:
  name: nginx-replicaset
  labels:
    app: nginx
    tier: web-page
spec:
  replicas: 2
  selector:

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

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

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

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