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Storage

Storage Docker containers are meant to be transients in nature which means they are meant to la...


Networks, Services, Routes and Scaling

Networking Kubernetes cluster is composed of a master and worker nodes. These are virtual or p...


Deployment Configuration

Deployment Controller In Kubernetes, the smallest unit that you can deploy is a Pod which is o...


Build Configuration

View Build Configuration You can see build configuration in the Configuration tab of the Build. ...


Builds and Deployments

Simple Application Let's try to deploy a simple web application written in Python using Flas...


Getting Started

Management Tools Project groups and separates applications. In project, you manage your applic...


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.  D...


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...


Estimation

  Sample Login Page Corporate GitLab Sample Timeout Page SAP ChaRM Sample My Informatio...

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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 Ha...

DevOps
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Useful Links

Wiki.js Docker Image on Docker Hub

Docker
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