Featured Publish static website with S3 + Github + Cloudfront A static website is a type of website that consists of fixed content and resources that do not change dynamically. This means that the content is pre-built and remains the same for all users who visit the website. Static websites are typically written in HTML, CSS, and JavaScript, and they
AWS Featured Hotlink Protection with AWS WAF + Cloudfront Introduction Hotlink protection is a security measure implemented on websites to prevent unauthorized usage of their content, particularly images, videos, or other media files. It aims to protect the website's bandwidth and server resources by restricting direct linking or embedding of those files on other websites. When hotlink protection is
MACOS Create virtual machines with MacOS (m1 and m2 included) Introduction A virtual machine (VM) is a software emulation of a computer system that behaves like a separate physical machine. It enables the creation and execution of multiple operating systems or applications on a single physical computer. VMs provide isolation, allowing different software environments to run independently of each other.
AWS How to use Lens IDE with two different AWS profiles What is Lens IDE? The Lens IDE is a desktop application with a user-friendly interface for managing and interacting with Kubernetes clusters. It offers a centralized dashboard to view and manage multiple clusters, provides real-time metrics and logs, allows for easy deployment and management of applications, and offers various other
GOOGLE WORKSPACE Transfer your Gmail messages to Google Workspace Group Introduction Google Groups is an online service provided by Google that allows people with shared interests or goals to communicate and collaborate in a group setting. It serves as a platform for discussions, email-based communication, file sharing, and organizing events within a group of individuals. There are several reasons why
AWS Production Grade Keycloak Cluster Setup on EC2 Red Hat Keycloak is an open-source identity and access management (IAM) solution. It provides user authentication, authorization, and federation features in modern applications and services. Keycloak is designed to simplify the implementation of security protocols and standards such as OAuth 2.0, OpenID Connect, SAML, and LDAP. Keycloak offers several
AWS The connection between two different VPCs in AWS Introduction AWS VPC (Virtual Private Cloud) is a service provided by Amazon Web Services (AWS) that allows you to create a virtual network in the cloud. It enables you to define and control a logically isolated section of the AWS cloud where you can launch AWS resources such as EC2
SPRING-BOOT How to minimize Docker image size for Spring Boot Applications Introduction Image size matters in the cloud-native application world. No one wants to see a large image size in the image repository. In short, to remember why image size is important; 1. Efficient Distribution: Smaller image sizes allow for faster and more efficient distribution of containers across networks. 2. Faster
AWS Building a Private AWS VPC with Terraform + S3 Introduction Terraform is an open-source infrastructure as code (IaC) tool developed by HashiCorp. It allows you to define and manage your infrastructure resources using a declarative configuration language. With Terraform, you can describe your desired infrastructure state in code, and Terraform will automatically provision and manage the resources needed to
AWS Slack notification with SNS and Lambda Introduction Cloud notifications are messages cloud computing platforms use to communicate important information to their users. These notifications let users quickly respond to critical events or issues within a cloud service. They provide users with information about service quality, reliability, and availability. For example, a cloud storage service may notify
AWS Basic Auth For CloudFront Distributions Introduction Amazon CloudFront is a content delivery network (CDN) service part of AWS. CloudFront securely distributes static and dynamic web content, video and data to users worldwide at high speed. CloudFront provides fast load times by placing content in the closest location. (Edge Server) This gives users a faster and
AWS EC2 Disk Usage Monitoring with CloudWatch Introduction Monitoring disk usage is crucial, especially in production systems. Maybe you realise, you can not find metrics indicating the disk usage in Cloudwatch. Let's solve this problem with Cloudwatch Agent! Create IAM Role In order to start the process, you need to grant your EC2 access to the CloudWatch
K8S K8S Monitoring, Application Debug with Pixie Introduction I have been working professionally in the software industry for about 15 years. I have had the opportunity to work with many different tools in different companies, such as Appdynamics, Dynatrace, New Relic, Datadog etc. Thanks to these applications, we can observe our application performance metrics, traces and bottlenecks.
K8S Kubernetes Monitoring with kube-prometheus-stack Introduction You have stepped into the Kubernetes world, you have a shiny new cluster and created your Helm charts and deployed them. Suddenly, you realize some of your pods were restarting. There is nothing in the pod logs, and you don't know the problem. At this point, Prometheus will come
HOMELAB My Homelab Story Introduction Years ago, this story started by installing a virtualization platform on a computer idle at home. My first goal was to solve the virtualization logic and examine how it works. Later on, it grew and became a complete home laboratory environment. Early Days One day, while reading an article
AWS ArgoCD Setup on EKS Introduction Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. It provides a way to automate the deployment of applications to Kubernetes clusters using Git as the single source of truth for defining and managing the desired state of your applications. Argo CD can help you to manage
AWS Media Transcoding with AWS Lambda + Elastic Transcoding Intro Transcoding is taking encoded video decompressing it and altering and re-compressing it. For example, video for a live broadcast can be transcoded from its original format into differently formatted streams to be delivered to the largest number of viewers on the widest range of devices. Transcoding is a digital-to-digital
FLUENTBIT K8S + EFK Simple Logging Let's say you are running all your workloads on Kubernetes. Your workload contains different languages, frameworks etc. You don't want to deal with varying configurations of logging. In this article, I'll show you how to achieve simple logging with Elasticsearch, Fluentbit, Kibana and Kubernetes. Why not Logstash The answer is
AWS Lambda Function for AWS API Gateway ReImport Operations Intro Let's say you have backend services in your development environment and sometimes your service endpoints are changed. You have to manually re-import your OPEN-API or Swagger specs into your API Gateway definition. You have to re-arrange all routes, authorizations, integrations and cors. What if I told you, you could
AWS Dynamic image resizing using Lambda@Edge and CloudFront Intro Let's say you have an S3 bucket filled with images and serve your images with CloudFront. Some day you decided to use your distribution for your mobile application. Congratulation you have a small problem. You need to resize your images for your mobile applications. In this article, we'll solve
AWS How to Set up SonarQube on AWS EC2 Intro In modern application development workflows, we are using many tools for improving code quality. Today's guest is one of them, SonarQube. SonarQube is a self-managed, automatic code review tool that systematically helps you deliver clean code. SonarQube integrates into your existing workflow and detects issues in your code to
AWS Apache Airflow on AWS EKS with Spot Instances Intro Apache Airflow (or simply Airflow) is a platform to programmatically author, schedule, and monitor workflows. Use Airflow to author workflows as directed acyclic graphs (DAGs) of tasks. The Airflow scheduler executes your tasks on an array of workers while following the specified dependencies. Rich command line utilities make performing
RASPBERRY-PI How to set up Pi-Hole on Raspberry Pi Zero W Intro Pi-Hole on raspberry pi zero was my Sunday project. I like to build home automation. I saw this application the first time on https://www.raspberrypi.org/blog/pi-hole-raspberry-pi/ and decided to implement it for my home. Pi-Hole is a Network-wide Ad Blocking application. Pi-hole is also known as
MACOS My MacOS set up & Tools for Development Intro I've been a MacOS user since 2016 and today I would like to share my current MacOS setup & Tools with you. Editors Intellij IDEA - Actually, I was an Eclipse IDE fan, especially STS (Spring Tool Studio), but every year I was trying to switch to IDEA. This year
RASPBERRY-PI How to set up K3S on Raspberry Pi Intro K3s is a highly available, certified Kubernetes distribution designed for production workloads in unattended, resource-constrained, remote locations or inside IoT appliances. K3s is packaged as a single<40MB binary that reduces the dependencies and steps needed to install, run and auto-update a production Kubernetes cluster. Both ARM64 and ARMv7 are supported with binaries and multi-arch images are available for both. K3s works great from something as small as a Raspberry Pi to an AWS
