Visweshwar Ganesh

Dec 1, 2020

Has communication become actual work?

In the ever changing sphere of communication we missed a beat on protocols on different mediums. Evolution of Office Communication Technology We started with Phone calls / Email and the prioritization was clear, Urgent Interruption vs communication. This allowed one to compartmentalize time to attend to work (yes, also that) in addition to communication. This…

WFH

2 min read

WFH Communication Protocols: If your question can wait 24 hours try Email instead of messaging

Nov 27, 2020

Spring Reactive Multi MongoTemplate Configuration

Configuring your application with Spring Data and MongoDB is quite well documented on the internet. Be it the Spring Data documentation or the great starter projects from baeldung.com. What I was missing was a reference example for a multi mongoTemplate configuration. Why Multi MongoTemplate Configuration? There are instances where your application interacts with more…

Spring

3 min read

Mar 2, 2020

MongoDB as Docker Container

Background There are times when you have to try to run a version of MongoDB without trying to install it locally. This could be for testing or for just validating a new feature. This can be achieved in many ways: Choose a version on MongoDB Atlas Building an image of the…

Docker

3 min read

Jan 25, 2020

MongoDB Client Side Field Level Encryption using Java-Spring: Part 2 Community Edition (Manual Encryption)

If you’ve not read the Introduction to CSFLE I would strongly urge you to do the same. Link As discussed in the introduction CSFLE is fully featured in all versions of MongoDB except for Automatic CSFLE. Minimum Requirements A mongo instance 4.2+. (Download) libmongocrypt library (Download and configure) Java 1.8+ Basic understanding…

Mongodb

4 min read

Jan 22, 2020

Client Side Field Level Encryption (CSFLE) on MongoDB: Part 1 — An Introduction

Starting with Mongo 4.2 the official drivers provide a Client Side Field Level Encryption (CSFLE) framework. This basically brings in encryption and decryption down to the application and the data at REST is always encrypted. …

Mongodb

5 min read

Oct 2, 2019

Azure Functions using Java Spring with CI/CD using Azure Pipelines— Part 2

This is a continuation from the Part 1 which covered, setting up a local environment and publishing the application locally to Azure. This part is going to cover the following Adding Spring Boot to the application Enabling Azure Pipelines. Azure Functions with Spring Boot 2 Spring Boot 2.0 tries to keep the best of both worlds…

Azure Functions

5 min read

Sep 30, 2019

Azure Functions using Java Spring with CI/CD — Part 1

Over the past few days I’ve been exploring using Azure functions, evaluating the feature set , CI / CD pipeline capabilities. In short, it checked all the boxes for a basic application. This post will cover the following: Setting up a local environment for testing Deploying a Simple Function To…

Java

5 min read

Jul 18, 2019

Debugging a custom Spring Security Filterchain

Spring Security allows you to intersperse Filters in your application for a given URI pattern. This can get quite complex with multiple URIs and different filter combinations for a given URI (Configurer). Spring Security has a default filterchain and is very well documented. (As Below). …

Java

4 min read

Debugging a custom Spring Security Filterchain