Key Terminologies in OAuth

In the last What is OAuth blog , i shared an example of greet.com app accessing contact details for the user from another app and how the OAuth process works at high level. In this blog, i will share some key terminologies of OAuth by referring to the example shared in last blog. Resource/Protected Resource: … Continue reading Key Terminologies in OAuth

What is OAuth???

OAuth is an open standard for authorization. OAuth 2.0 is the latest and most widely used form of OAuthIt allows people to authorize applications to access another application on their behalfLet us understand this more by an exampleImagine you subscribed to an application greet.com in which you can make custom greetings/posters.Now once you build a … Continue reading What is OAuth???

DockerFile , Docker Image, Docker Container

Dockerfile is a text file that contains the instructions needed to create a new container image. Docker engine reads the instructions from top to bottom. It contains a bunch of instructions which informs Docker HOW the Docker image should get built. It is like the script of a movie which contains details on how the … Continue reading DockerFile , Docker Image, Docker Container

Import data from local to postgreSQL and pgAdmin4 running on Docker

Copy the csv file to a local folderOpen pgAdmin4 and select the table where you want to import the data intoRight click and select Import/Export Select the Import option and click on three dots for file name Click on the icon highlighted in red which is to drag file Drag the file that you want … Continue reading Import data from local to postgreSQL and pgAdmin4 running on Docker

Run PostgreSQL and pgAdmin in docker for local development using docker compose

create a directory mkdir postgres-docker && cd postgres-dockercreate a file and name it as docker-compose.yml Add the following content in the docker-compose,yml file version: "3.8" services: db: image: postgres container_name: local_pgdb restart: always ports: - "54320:5432" environment: POSTGRES_USER: user POSTGRES_PASSWORD: admin volumes: - local_pgdata:/var/lib/postgresql/data pgadmin: image: dpage/pgadmin4 container_name: pgadmin4_container restart: always ports: - "5050:80" environment: … Continue reading Run PostgreSQL and pgAdmin in docker for local development using docker compose

Calendar Terminal Utility for Mac.

Just found this calendar utility which can be used in mac. To see the current month's calendar, type "cal To see the current month's calendar along with week type "ncal" To see the current month's calendar along with week number type "ncal -w" To see the 3 month's calendar(previous, current and next month) along with … Continue reading Calendar Terminal Utility for Mac.

Infrastructure as Code (IaC) & Pulumi

Infrastructure as code(IaC) is a very important element in an organizations cloud adoption journey. It helps to bring consistency, standard, speed and most importantly leverage drive cost optimization on cloud. Infrastructure is the underlying computing machinery example physical server, database, network , storage etc which is required for a software to run. In the absence … Continue reading Infrastructure as Code (IaC) & Pulumi

What is Observability in IT ?

In control systems engineering, observability is defined as a measurement of how well a system's internal states could be inferred from its external outputs. Meaning a system is considered observable if we can determine the behavior of the entire system in a finite time period from the system output. A system whose output doesn't generate … Continue reading What is Observability in IT ?

Chaos Engineering & Chaos Monkey for Spring Boot Applications

Chaos Engineering is the discipline of experimenting on a system in order to build confidence in the system’s capability to withstand turbulent conditions in production. As we build more and more distributed systems by leveraging microservices and cloud platforms, we create a lot of moving parts and potential points of failure which makes these systems … Continue reading Chaos Engineering & Chaos Monkey for Spring Boot Applications

Service virtualization with spring boot microservices

Service Virtualization mimics or simulates behaviors of components that are unavailable or difficult to access while testingMicroservices applications are generally composed of multiple services. During the testing phase when the dependent services are not available, service virtualization technique allows to mimic the unavailable service and continue the tests even when the actual service is unavailable.During … Continue reading Service virtualization with spring boot microservices