This is a simple step by step tutorial to deploy to firebase using GITHUB actions.

I was experimenting with elastic search for search implementation in one of our project. I had to do setup and do a PoC. We were exploring some of the options in the market like redis search and mongodb search which is built on lucene engine. …

Quartz is a richly featured, open source job scheduling library that can be integrated within virtually any Java application — from the smallest stand-alone application to the largest e-commerce system. Quartz can be used to create simple or complex schedules for executing tens, hundreds, or even tens-of-thousands of jobs; jobs…

Table of Contents Prerequisites Application Architecture Deploy Application Access Application Delete Application This chapter shows an example of how different microservices within an application can use service discovery to locate each other in the infrastructure rather than via hardcoded IP addresses. Prerequisites To perform exercises in this chapter, you’ll need to…

In this tutorial we will learn how to implement rate limiting in a scaled service. We will use the Bucket4J library to implement it and we will use Redis as a distributed cache. Why Use Rate Limiting? Let’s get started with some basics to make sure we understand the need for rate limiting and…

I was working on a pagination solution for elastic search. However, I encountered an issue. GET my_index/_search { "from": 0, "size": 20, "query": { "bool": { "must": [{ "wildcard": { "item_name.keyword": "*amul*" } }], "filter": [{ "term": { "est_id": "123456" } }] } } while I paginate this, results were…

We were planning to migrate a project workload to K8s. I was comfortable with K8s and deployments. However, I was not pretty sure of CI/CD…

Recently I was dealing with a task to attach certificate to GKE cluster. GKE Load balancer gives us a IP which gets exposed to external world. We can make a http call to our endpoints mapped in the ingress using the IP given. Now, the task is to make it…

Some basics to understand ELK, please go through this blog. Mappings are like a class in OOPS, where you define fields and data types of the fields in the document, and these documents are stored in an index. Reference: link Full text fields, fields contain number, dates or geo-locations, format…