surlalwani / kubernetes-lab

Deploy Springboot Microservices To Kubernetes Cluster And Expose Them

Lab Introduction

Create docker images for Springboot microservices and deploy them to Kubernetes cluster

Course Overview

Explains in detail how to deploy spring boot microservices to workspace

Requirements

• Install JDK
• Install Maven
• Install Docker
• Install Ingress controller

Who is this course for

• You are a programmer wanting to explore DevOps with Docker, Kubernetes and Azure DevOps
• You want to automate deployment of your microservices to the cloud using DevOps with Docker, Kubernetes and Azure DevOps

Step By Step Details - Prepare the Environment

Install JDK

sudo apt update
sudo apt install openjdk-17-jdk-headless
export JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64
echo $JAVA_HOME
PATH="$JAVA_HOME/bin:$PATH"
export PATH

Install Maven

wget https://dlcdn.apache.org/maven/maven-3/3.9.0/binaries/apache-maven-3.9.0-bin.tar.gz -P /tmp
sudo tar xf /tmp/apache-maven-*.tar.gz -C /opt
sudo ln -s /opt/apache-maven-3.9.0 /opt/maven
sudo nano /etc/profile.d/maven.sh

Add these values in the maven.sh file and save it and close the file

    export JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64
    export M2_HOME=/opt/maven
    export MAVEN_HOME=/opt/maven
    export PATH=${M2_HOME}/bin:${PATH}
sudo chmod +x /etc/profile.d/maven.sh
source /etc/profile.d/maven.sh

Check the maven version
mvn -version

Install Docker

sudo apt install docker.io

Install Nginix Ingress Controller

kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.6.4/deploy/static/provider/cloud/deploy.yaml

wait for ingress setup. When this command is finished controller is setup

kubectl wait --namespace ingress-nginx \
  --for=condition=ready pod \
  --selector=app.kubernetes.io/component=controller \
  --timeout=120s

Step By Step Details - Deploy the applications

Appendix - Installing Visual Studio Code

• Step 01 - Installing VS Code
• Step 02 - Download and Setup Projects in Visual Studio Code

Required Tools