docker

Mastering MongoDB and Elasticsearch Integration: A Practical Guide for Node.js Developers

Mastering MongoDB and Elasticsearch Integration: A Practical Guide for Node.js Developers

Introduction In the modern web development landscape, the ability to search and access data quickly can be the key differentiator between a standard application and one that truly stands out. Imagine an online store where users can find products in milliseconds, receiving precise suggestions as they type. This enhanced user experience is made possible by technologies like MongoDB and Elasticsearch. In this article, we’ll explore the importance of these technologies and how to integrate them effectively. For developers already familiar with Node.js, understanding how Elasticsearch can accelerate data searches and provide a more responsive experience is a significant advantage. Why…
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What is DevOps?

What is DevOps?

1. What is DevOps? DevOps is a cultural and technical movement that aims to bridge the gap between software development (Dev) and IT operations (Ops). By fostering a culture of collaboration and shared responsibility, DevOps seeks to improve the speed and quality of software delivery. Key Goals of DevOps: Enhanced Collaboration: Breaking down silos between development and operations teams. Faster Delivery: Accelerating the release of new features and fixes. Improved Quality: Enhancing the reliability and performance of software. Automation: Automating repetitive tasks to reduce manual effort and errors. 2. Core Principles of DevOps 2.1 Collaboration and Communication DevOps promotes a…
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Deploying Free WAF SafeLine Using Docker

Deploying Free WAF SafeLine Using Docker

With more people setting up private clouds, NAS, home theaters, blogs, and library management systems at home, some of these systems are being exposed to the public internet to enable remote access. In such cases, deploying a Web Application Firewall (WAF) like SafeLine to protect your data is crucial. System Requirements Before installing SafeLine, ensure that your system meets the following requirements: Operating System: Linux CPU Architecture: x86_64 with SSSE3 instruction set support Software Dependencies: Docker version 20.10.14 or above, Docker Compose version 2.0.0 or above Minimum Resources: 1 core CPU, 1 GB RAM, 5 GB disk space How to…
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How to Install and Configure SafeLine WAF: A Quick Start Guide

How to Install and Configure SafeLine WAF: A Quick Start Guide

Installing SafeLine To install SafeLine on a Linux system, run the following command:(Ensure you have Docker and Docker Compose installed beforehand.) bash -c "$(curl -fsSLk https://waf.chaitin.com/release/latest/setup.sh)" Enter fullscreen mode Exit fullscreen mode Default Installation Path: /data/safeline Logging into SafeLine Access SafeLine via the default port: 9443. Once you log in, you should see a screen similar to the one below. Feature Overview 1. View Attack Events You can click on the details to see the commands you entered, your IP, the time, and the type of injection detected. 2. Site Protection DetailsFor a single-site setup, you can view directories. 3.…
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Using LLMs For Kubernetes: Enter k8sgpt

Using LLMs For Kubernetes: Enter k8sgpt

GenAI and LLMs are a big “buzz” right now, but there’s some “good” behind it - automation. In an environment like Kubernetes, GenAI can be used for Automation 2.0. It can remove the tedious and repetitive tasks for you that you don’t need to do anything, just like when automation first started to become popular. GenAI is just taking it a step further. In this blog post, you’ll learn how to use Automation 2.0 to scan and help troubleshoot a Kubernetes cluster. Environment k8sgpt works on any Kubernetes cluster. If you don’t already have a Kubernetes cluster up and running,…
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Why do Frontend and Backend developers use Docker

Why do Frontend and Backend developers use Docker

Imagine you're building a simple to-do list app. It seems straightforward: a frontend to display tasks and a backend to store them. But let’s dive deeper and consider the following tech stack: Tech Stack #1 Frontend: Reactjs, Vite, CSS Preprocessor Backend: Nodejs, API Server Database: Mongo, Mongo Express The frontend, let's say, is a React app. It requires Vite, CSS Preprocessor and a specific React version. The backend, a Nodejs app, needs Node, API Server, a database (like MySQL/Postgres), and a few libraries. These are just the basics. Tech Stack #2 Frontend: Reactjs, Vite, CSS Preprocessor Backend: Nodejs, API Server…
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Deploying a Static Website with Docker: A Comprehensive Guide

Deploying a Static Website with Docker: A Comprehensive Guide

Introduction Welcome to the Epic Characters Static Website Deployment Guide! This tutorial will walk you through the process of deploying a static website using Docker. We’ll cover every aspect of the Dockerfile and the Docker commands required to containerize and deploy the website, which showcases characters from various popular series. The goal is to provide a thorough understanding of each step involved. Prerequisites: Basic knowledge of HTML. Familiarity with GitHub commands. Understanding of Docker commands Note: Please download the GitHub repository to your system for reference. The repository contains the static website code and resources needed for deployment. Dockerfile FROM…
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How To Fix “java.io.IOException: Problem reading font data.” When Load Customized TTF In Java.

How To Fix “java.io.IOException: Problem reading font data.” When Load Customized TTF In Java.

Yesterday, my colleague said the service had a problem loading the customized font -- NotoSerif-Regular.ttf on our SIT, but it worked on local, the error was as follows: After trying several methods, although it was resolved, I still have many questions. Our containerized service uses the base container image – amazoncorretto:19-alpine. Below is the solution and it seems that the font-noto package must be installed first, or the problem will exist again. However, I can only treat it as a workaround but not a good solution. Because the package I installed contained the TTF file of font covered in the…
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My native docker-like solution to macOS new features and improvements

My native docker-like solution to macOS new features and improvements

Added deploying support, detaching support in cli, removed layer logic as it was not really useful or used, added a terminal emulator specifically created for osxiec, added sending commands to the output in gui, added osxs scripting language for managing containers, improved readme.md and some minor adjustments. https://github.com/Okerew/osxiec Source link lol
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Azure Container Registry — Storing images and artifacts

Azure Container Registry — Storing images and artifacts

Hi everyone, in today’s post we’re going to talk about Azure Container Registry, a great alternative to Docker Hub for storing both public and private images and artifacts. We’ll also learn how to use Azure CLI and Docker CLI for creating and uploading Docker images. What is Azure Container Registry? It's a service for storing and managing images and artifacts, based on Docker Registry technology. Azure Container Registry supports OCI distribution, which is a vendor-agnostic specification responsible for enabling the storage, sharing, and protection of artifacts and images. What are Artifacts? Artifacts are objects used by a process, such as…
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