--- title: "Seyitan Oluwaseitan (@Seyitan) | Hashnode" description: "Cloud Computing. Read the latest articles by Seyitan Oluwaseitan on Hashnode." url: "https://hashnode.com/@Seyitan" --- @Seyitan # Seyitan Oluwaseitan @Seyitan · Joined July 2024 Cloud Computing ### [Automating Flask App Deployment with Bash, Docker, and Nginx](https://seyitanjohnson.hashnode.dev/automating-flask-app-deployment-with-bash-docker-and-nginx?utm_source=hashnode&utm_medium=feed) Introduction This project automates the deployment of a Flask web application on a remote Ubuntu server using Bash scripting. It walks you through an automated deployment script that helps take the pain and stress of deploying a Flask appplication ma... 8 min read · [seyitanjohnson.hashnode.dev](https://seyitanjohnson.hashnode.dev/automating-flask-app-deployment-with-bash-docker-and-nginx?utm_source=hashnode&utm_medium=feed) [Dec 9, 2025](https://hashnode.com/posts/automating-flask-app-deployment-with-bash-docker-and-nginx/69382dc696f92da142c415c5) ### [Blue-Green Auto Failover + Observabilty](https://seyitanjohnson.hashnode.dev/blue-green-auto-failover-observabilty?utm_source=hashnode&utm_medium=feed) Introduction Imagine a scenario where you have an application that runs smoothly but at a point it crashes or faces downtime suddenly. Sad right? Now, how about when there’s downtime on your application, there’s a fall-back option that keeps your app... 8 min read · [seyitanjohnson.hashnode.dev](https://seyitanjohnson.hashnode.dev/blue-green-auto-failover-observabilty?utm_source=hashnode&utm_medium=feed) [Dec 9, 2025](https://hashnode.com/posts/blue-green-auto-failover-observabilty/69382d45b36940f50762723c) ### [Creating A Rock-Paper-Scissors Game Using Bashscript.](https://seyitanjohnson.hashnode.dev/creating-a-rock-paper-scissors-game-using-bashscript?utm_source=hashnode&utm_medium=feed) Mastering Bash Logic: Rock-Paper-Scissors Using if and case Statements 9 min read · [seyitanjohnson.hashnode.dev](https://seyitanjohnson.hashnode.dev/creating-a-rock-paper-scissors-game-using-bashscript?utm_source=hashnode&utm_medium=feed) [Feb 24, 2025](https://hashnode.com/posts/creating-a-rock-paper-scissors-game-using-bashscript/67bc5e26d3e3d79d896d0e04) ### [Automating the Deployment of an EC2 Instance in a Custom VPC on AWS Using Terraform and Variables.](https://seyitanjohnson.hashnode.dev/automating-the-deployment-of-an-ec2-instance-in-a-custom-vpc-on-aws-using-terraform-and-variables?utm_source=hashnode&utm_medium=feed) Imagine effortlessly spinning up your own cloud infrastructure with just a few lines of code, custom-tailored to your exact needs. Whether you're a cloud enthusiast or a seasoned DevOps pro, deploying an AWS EC2 instance in a custom VPC using Terrafo... 7 min read · [seyitanjohnson.hashnode.dev](https://seyitanjohnson.hashnode.dev/automating-the-deployment-of-an-ec2-instance-in-a-custom-vpc-on-aws-using-terraform-and-variables?utm_source=hashnode&utm_medium=feed) [Oct 18, 2024](https://hashnode.com/posts/automating-the-deployment-of-an-ec2-instance-in-a-custom-vpc-on-aws-using-terraform-and-variables/67127785e537bdfb59456885) ### [Linux User Creation Bash Script](https://seyitanjohnson.hashnode.dev/linux-user-creation-bash-script?utm_source=hashnode&utm_medium=feed) Task : Your company has employed many new developers. As a SysOps engineer, write a bash script called create\_users.sh that reads a text file containing the employee’s usernames and group names, where each line is formatted as user; groups. Script Re... 7 min read · [seyitanjohnson.hashnode.dev](https://seyitanjohnson.hashnode.dev/linux-user-creation-bash-script?utm_source=hashnode&utm_medium=feed) [Jul 3, 2024](https://hashnode.com/posts/linux-user-creation-bash-script/6685da3e2c3f666c41abf51e)