Terraform Explained for Beginners: Infrastructure as Code, Providers, Resources, State and Variables If you have worked with AWS, you may have created resources by opening the AWS Console, selecting options,…
AWS Security Groups and NACL: A Simple Guide to AWS Network Security When we build an AWS network, creating a VPC, subnets, route tables, Internet Gateway, and NAT Gateway is…
AWS Networking Explained: VPC, Subnets, Route Tables, Internet Gateway and NAT Gateway If you are learning AWS, Cloud, DevOps, or Microservices, understanding networking is essential. AWS networking can initially look…
AWS Networking Fundamentals: IP Address, CIDR, Switch, Router, NAT and Internet Gateway When you launch an EC2 instance in AWS, you will notice that AWS often starts with a default…
AWS IAM Explained: Users, Policies, Groups, Roles and Access Control When working with AWS, one of the most important concepts to understand is IAM — Identity and Access Management. AWS…
AWS Global Infrastructure Explained Simply: Regions, Availability Zones, Local Zones, Edge Locations & Disaster Recovery If you are learning AWS, one of the first things you should understand is the…
RestClient in Spring Boot: Simple Guide to Synchronous Microservice Communication If you are learning Spring Boot Microservices, you will often see one service calling another service. For example: Order Service…
RestTemplate in Spring Boot: Synchronous Communication Between Microservices RestTemplate is one of the traditional ways to make HTTP calls between microservices in a Spring Boot application. In a microservices architecture,…
AWS Account Setup and Cloud Computing Models: IaaS, PaaS, CaaS, FaaS and SaaS Cloud computing has completely changed the way applications are built, deployed, and managed. Instead of purchasing physical…
Authentication and Authorization for Backend Engineers Authentication and authorization are two of the most fundamental concepts in backend engineering. Almost every modern application needs to answer two questions: Who…
