SPRING-BOOT Featured 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 [email protected] 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
AWS How to set up Amazon EKS Cluster Intro Amazon Elastic Kubernetes Service (EKS) is a managed Kubernetes service that makes it easy for you to run Kubernetes on AWS without needing to install, operate, and maintain your own Kubernetes control plane. Click for more details. Requirements In order to set up a new Amazon EKS, we need
JAVA How to set up Java on Ubuntu! Intro Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. It is a general-purpose programming language intended to let application developers write once, and run anywhere (WORA), meaning that compiled Java code can run on all platforms that support Java without
MONGODB How to set up MongoDB on Ubuntu! Intro NoSQL databases (aka "not only SQL") are non-tabular and store data differently than relational tables. NoSQL databases come in a variety of types based on their data model. The main types are document, key-value, wide-column, and graph. They provide flexible schemas and scale easily with large amounts of data
MACOS How to setup Minishift Intro Red Hat OpenShift is an open-source container application platform based on the Kubernetes container orchestrator for enterprise app development. Minishift is a tool that helps you run OKD locally by launching a single-node OKD cluster inside a virtual machine. With Minishift you can try out OKD or develop with
REDIS How to set up Redis on Ubuntu! Intro Redis is software used for database or caching that stores a key value running in-memory. Click for more details Requirements We need a machine with Ubuntu 16.04 installed for a non-root user with sudo authority in order to have Redis working in your hand. Pre Setup and Test
