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Introduction

OpenShift is the open source container platform by Red Hat and considered as a PaaS. There are...

User Service

User Bean Create a new bean class package me.chairat.spring.boot.workshop.user; import java....

Exception Handling

Default Error Handling 500 Internal Server Error Modify the method retrieveUser to throw except...

Hello World

Spring Initializr Go to http://start.spring.io/ and input Group name and Artifact name.  Depe...

Authorization Code Flow

Overview Called Three-legged because this flow enables checking the identity of the three inv...

OAuth Flows

There are four different flows for OAuth 2.0: Authorization Code Grant (a.k.a. Three-legged ...

Introduction

Password Antipattern Joe wants to access his emails on Gmail server. He found a cool app on...

Components

OAuth Actors Resource Owner Client OAuth Server Login - it could be: A simple logi...

Services

Services Pods are very dynamic, they come and go on Kubernetes cluster When using a Replicat...

Replication and Deployment

$ kubectl scale --replicas=3 -f helloworld-replica.yml replicationcontroller "helloworld-control...

Scrum and XP from the Trenches

Scrum and XP from the Trenches - 2nd Edition Henrik Kniberg The book can be downloaded for free ...

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Books       The Phoenix ProjectGene Kim, Kevin Behr, George Spafford The DevOps Handb...

Useful Links

Wiki.js Docker Image on Docker Hub

How to Setup MediaWiki with Docker

Install 1) Install Mediawiki with sudo docker container run -d --name mediawiki -p 8080:80 media...

How to Deploy Docker Swarm on Azure

1. Deploy 1) Go to https://store.docker.com/editions/community/docker-ce-azure and select prefer...

Docker Class (Basic)

Course Materials Docker Cheatsheet 08 09 2016 GitHub repository for examples P...

Docker Swarm

Swarm Basics Containers Everywhere = New Problems How do we automate container lifecycle? Ho...

Docker Compose

Basics Why configure relationships between containers save our docker container run settings...

Writing Testable Code for ABAP - openSAP

Writing Testable Code for ABAP - openSAP Week 1 - Introduction to ABAP Unit Testing Tests vs. T...

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Exercise 1 - FizzBuzz This can be your first exercise to practice TDD. It is a good exercise for...