As you’re a cloud solution architect or enterprise architect, you should be aware of every services that running inside your infrastructure and how it works and understanding your costs is vital for informed business decisions. …

Most of the time when we build and run our containerization applications in AWS, the most easy way or service that AWS provide is ECS and EKS. However we want to build and run non-production environments in AWS for short time period, we would probably use EC2 somehow by then…

It has been so long that I have not written any blog posts in Medium due to plenty of tasks and so boring to write anything during this period. Today I would like to mention about how to prevent or avoid Error: Cycle exception in terraform while creating resources. For…

In our daily life, math can help us do many things that are important in our everyday lives. Calculating is an important skill as well that it will be useful for our life in remodeling future homes and apartments. Most of people use math knowledge when cooking and making some…

When we’re hosting our stateless applications at containers especially in Kubernetes, one of the biggest challenges of us is how to stream application logs data to any kind of destination. Kubernetes ecosystem is a highly distributed and dynamic environment. In real world production environment, there would be running so many…

As we all know, AWS has already provided Serverless Application Model (SAM), is an open-source framework for building serverless applications. . It provides shorthand syntax to express functions, APIs, databases, and event source mappings. With just a few lines per resource, we can define the application you want and model…

As we’re developing API even it’s private or public, we should be aware of how API work: what’s maximum size of request payload, what’s maximum size of response payload and its API response timeout. When I’m talking about APIs, your first thought of API will be RESTful I guess but…

There are so many approaches to deploy Lambda function steamlessly into AWS Cloud such as SAM template, CodeDeploy, Cloudformation, Terraform, Serverless and so on. Among them, today I’m going to use to deploy Lambda and API Gateway with serverless framework. If you’re new to Serverless framework, please go following link…

Before discussing anything about Infrastructure as a Code (IaC), we’re about to think first of what is DevOps and what’s its culture. As I found in some websites mentioned about DevOps, below is a motto of how to describe its culture. DevOps culture stresses small, multidisciplinary teams, who work autonomously…