Deploy Multiple Apps to Kubernetes Cluster

Overview

1. Prerequisites
2. Append to hosts file
3. Create Deployment.yml

Prerequisites

1. Install Docker
2. Install Kubectl
3. Install Minikube

Fetch minikube IP

• Execute the command below to get minikube IP address
  • minikube ip

Append to Hosts File

• Execute the command below to append to your hosts file

echo "${MY-MINIKUBE_IP}	adminer.k8s.com" >> c:\Windows\System32\Drivers\etc\hosts
echo "${MY-MINIKUBE_IP}	kanban.k8s.com" >> c:\Windows\System32\Drivers\etc\hosts

Create Deployment.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: adminer
  labels:
    app: adminer
    group: db
spec:
  replicas: 1
  selector:
    matchLabels:
      app: adminer    # indicates which Pods (with which labeles) need be handled by this Deployment
  template:
    metadata:         # indicates the metadata that will be added to each Pod
      labels:
        app: adminer
        group: db
    spec:
      containers:     # defines a running container inside the Pod
        - name: adminer
          image: adminer:4.7.6-standalone
          ports:
            - containerPort: 8080   # which port of the container is exposed to the Pod
          env:
            - name: ADMINER_DESIGN
              value: pepa-linha
            - name: ADMINER_DEFAULT_SERVER
              value: postgres

Run adminer-deployment.yml

• Execute command below
  • kubectl apply -f adminer-deployment.yaml

Verify adminer