Tech Enablement Training (eDCR) - Essential Skills and Prerequisites

Introduction

This document aims to put together all the items which will enable to come up with a proper training plan for a partner team who will be working on the eDCR service used for the plan scrutiny.

Technical Prerequisites

Below listed are the technical skillsets that are required to work on eDCR service. It is expected the team planning on attending training is well versed with the mentioned technologies before they attend eGov training sessions.

Skillset for the Development team

Java and REST APIS
Postgres
Maven
Spring framework
Basics of 2D CAD Drawings
Git
Postman
YAML/JSON

Skill Set for the DevOps team

Strong working knowledge on Linux, command, VM Instances, networking, storage
The session, cache, and tokens handling (Redis-server)
Understanding of VM types, Linux OS types, LoadBalancer, VPC, Subnets, Security Groups, Firewall, Routing, DNS
Experience setting up CI like Jenkins and create pipelines
Artifactory - Nexus, verdaccio, DockerHub, etc
Experience in setting up SSL certificates and renewal
Gitops, Git branching, PR review process. Rules, Hooks, etc.
JBoss Wildfly, Apache, Nginx, Redis and Postgres

Hardware prerequisites

Trainees are expected to have laptops/ desktops configured as mentioned below with all the software required to run the eDCR service application

Laptop for hands-on training with 16GB RAM and OS preferably Ubuntu
All developers need to have Git ids
Install VSCode/IntelliJ/Eclipse
Install Git
Install JDK 8 update 112 or higher
Install maven v3.2.x
Install PostgreSQL v9.6
Postman
Install LibreCAD

Software Assets

There are knowledge assets available in the Net for general items and eGov assets for DIGIT services. Here you can find references to each of the topics of importance. It is mandated the trainees do a self-study of all the software mentioned in the prerequisites using the reference materials shared.

Topic	Reference	Preparedness Check
Git	https://www.atlassian.com/git https://www.tutorialspoint.com/git/index.htm https://www.udemy.com/course/git-complete/	Do you have a Git account? Do you know how to clone a repository, pull updates, push updates? Do you know how to give a pull request and merge the pull request?
Postgres	https://www.postgresqltutorial.com/ https://www.udemy.com/course/the-complete-python-postgresql-developer-course/ https://www.tutorialspoint.com/postgresql/index.htm	How to create database and set up privileges? How to add index on table? How to use aggregation functions in psql?
Postman	https://www.postman.com/resources/videos-tutorials/ https://www.udemy.com/course/postman-the-complete-guide/	Call a REST API from Postman with proper payload and show the response Setup any service locally(MDMS or user service has least dependencies) and check the API’s using postman
REST APIs	https://www.tutorialspoint.com/rest_api/index.asp https://www.youtube.com/watch?v=rtWH70_MMHM	What are the principles to be followed when making a REST API? When to use POST and GET? How to define the request and response parameters?
JSON	https://www.tutorialspoint.com/json/index.htm https://github.com/json-path/JsonPath	How to write filters to extract specific data using jsonPaths?
YAML	https://www.udemy.com/course/yaml-essentials/	How to read an API contract using swagger?
Maven	https://www.udemy.com/course/maven-quick-start/ https://www.tutorialspoint.com/maven/index.htm	What is POM? What is the purpose of maven clean install and how to do it? What is the difference between version and SNAPSHOT?
eDCR Approach Guide	https://digit-discuss.atlassian.net/l/c/Gh0kEwC6	How to configuring and customizing the eDCR engine as per the state/city rules and regulations.
eDCR Service setup	https://digit-discuss.atlassian.net/l/c/gLYMCaS7 https://digit-discuss.atlassian.net/l/c/8s5or1tz	Overall Flow of eDCr service, design and setup process