A terraform file can get very large very quickly as you add more and more resource blocks. Custom modules are a great way of organizing your terraform code into logical pieces. You might have one module that handles the VPC set up, and another for EC2 instances. In this post, I will look at how…
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Oriented-Object-Programming with Example Code
Oriented Object Programming combines a group of related variables and functions into unit which is called an object. We refer to these variables as properties and the functions as methods. Let’s say we create a class robot, we need to represent each different robots or entities. That’s where classes and objects come in. In python,…
JavaScript Mini Project – Vocabulary Quiz
I developed vocabulary quiz app in JavaScript including creating technical requirements, implementing logic and functionality, and styling the app. App Development Plan showing one question on the screen enable user input and answering logic improve the structure of the app extend app to handle multiple questions add score and user feedback to the app add…
Building Containerized Microservices in Golang Chapter 3 – Docker
I’m going to create two types of docker files. One for the local testing, and one for the production. Before creating the docker file, I want to create the docker ignore file because geometry and static folders are not used. Create dockerfile build and run The problem of this image has 974MB which is way…
Building Containerized Microservices in Golang Chapter 2 – Web Development
Let’s create simple webserver that you can view in your browser using net/http This function is going to take the request and give responses as well: The request handler alone can not accept any HTTP connections from the outside. To listen for HTTP Connections, following code will start Go’s default HTTP server and listen for…
Building Containerized Microservices in Golang Chapter 1 – Go Basic (Installation and basic command)
I’m going to create a Go web application, containerize through Docker multistage builds, deploy to K8s using Helm concepts that I’ll use: Installing GoLang Installing Go VS Code Extension Go basics: Modules & Packages: GOPATH, GOBIN, go.mod, go.sum Local vs Remote Packages Variables & Constants Functions Maps Packages Cross Complication: GOOS, GOARCH Sample Go Web…
What is Go?
Go is an open source programming language developed by Google. It is a statically-typed language that means you need to declare variable data type before you use them. Go is also compiled rather than interpreted, so it runs faster and offer better performance than interpreted language programs. As a compiled language, Go is expressed in…
AWS Fullstack Application Deployment
Sorry! I’m currently busy at the moment. I’m working on creating demo. Instead, I want to show my github repository to show my code. https://github.com/sikgyu/ansible_aws
My Best Work Experience – Republic of Korea Army
While studying Amazon Leadership Principle, it reminds me of when I enlisted in the army. I was assigned a squad leader in training school. However, the team wasn’t motivated and disgruntled at all. Because in South Korea, all men between 18 and 28 years old are required to serve 2 years of military service. People…