--- title: "#handson articles | Hashnode" description: "Explore 94 articles tagged #handson on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/handson" --- Tag # #handson 94 posts · 0 followers [Altaf Shaikh](https://hashnode.com/@altafshaikh) · [May 4](https://hashnode.com/posts/how-to-build-support-ai-agent-in-nodejs/69f8d10646610fd60606bda9) ### [No RAG. No Vectors. No Amnesia. Here's How to Built a Smarter Support Agent with Persistent Memory](https://blog.altafshaikh.in/how-to-build-support-ai-agent-in-nodejs?utm_source=hashnode&utm_medium=feed) Replace RAG amnesia with a persistent agentic memory: a practical guide to building vectorless customer support agents in node js. 18 min read · [blog.altafshaikh.in](https://blog.altafshaikh.in/how-to-build-support-ai-agent-in-nodejs?utm_source=hashnode&utm_medium=feed) [aloknayak](https://hashnode.com/@aloknayak) · [Apr 17](https://hashnode.com/posts/kubernetes-namespaces-deployments-services-hands-on-lab/69e246eefd22b8ad623dddb1) ### [Kubernetes Namespaces, Deployments & Services (Hands-on Lab)](https://aloknayak.hashnode.dev/kubernetes-namespaces-deployments-services-hands-on-lab?utm_source=hashnode&utm_medium=feed) Learn how to organize, manage, and expose applications in Kubernetes using Namespaces, Deployments, and Services. 6 min read · [aloknayak.hashnode.dev](https://aloknayak.hashnode.dev/kubernetes-namespaces-deployments-services-hands-on-lab?utm_source=hashnode&utm_medium=feed) [Nilkanth Mistry](https://hashnode.com/@Nilkanth1010) · [Jan 30](https://hashnode.com/posts/day-16-aws-cloudwatch-your-infrastructures-heartbeat-monitor/697ce48457a77396d2f2ed07) ### [🚀 Day 16: AWS CloudWatch - Your Infrastructure's Heartbeat Monitor 📊](https://nilkanthmistrydevops.dev/day-16-aws-cloudwatch-your-infrastructures-heartbeat-monitor?utm_source=hashnode&utm_medium=feed) Master AWS CloudWatch in Day 16 of our 30 Days AWS Zero to Hero series! Learn default metrics, build custom monitoring with Python/Flask, create alarms 7 min read · [nilkanthmistrydevops.dev](https://nilkanthmistrydevops.dev/day-16-aws-cloudwatch-your-infrastructures-heartbeat-monitor?utm_source=hashnode&utm_medium=feed) [Nilkanth Mistry](https://hashnode.com/@Nilkanth1010) · [Dec 9, 2025](https://hashnode.com/posts/day-15-aws-codedeploy-zero-downtime-deployments-with-bluegreen-strategy/69384ffcf070f87a8559daad) ### [🚀 Day 15: AWS CodeDeploy – Zero-Downtime Deployments with Blue/Green Strategy](https://nilkanthmistrydevops.dev/day-15-aws-codedeploy-zero-downtime-deployments-with-bluegreen-strategy?utm_source=hashnode&utm_medium=feed) Learn AWS CodeDeploy with a simple, hands-on tutorial. Deploy applications using Blue/Green strategy, automate rollbacks, and integrate with CI/CD pipelines 4 min read · [nilkanthmistrydevops.dev](https://nilkanthmistrydevops.dev/day-15-aws-codedeploy-zero-downtime-deployments-with-bluegreen-strategy?utm_source=hashnode&utm_medium=feed) [Nilkanth Mistry](https://hashnode.com/@Nilkanth1010) · [Nov 25, 2025](https://hashnode.com/posts/day-11-aws-cloudformation-automate-your-infrastructure-as-code-iac/6925d8223dff74c3e1b4c839) ### [🚀 Day 11: AWS CloudFormation – Automate Your Infrastructure as Code (IaC)](https://nilkanthmistrydevops.dev/day-11-aws-cloudformation-automate-your-infrastructure-as-code-iac?utm_source=hashnode&utm_medium=feed) Learn AWS CloudFormation step-by-step with real hands-on project. Deploy EC2 using IaC, automate AWS infrastructure, and prepare for DevOps interviews. 3 min read · [nilkanthmistrydevops.dev](https://nilkanthmistrydevops.dev/day-11-aws-cloudformation-automate-your-infrastructure-as-code-iac?utm_source=hashnode&utm_medium=feed) [Nilkanth Mistry](https://hashnode.com/@Nilkanth1010) · [Nov 24, 2025](https://hashnode.com/posts/day-10-aws-zero-to-hero-deep-dive-into-aws-cli/69247baf3dce9ac6655d10c2) ### [🌟 Day 10 – AWS Zero to Hero: Deep Dive into AWS CLI 💻⚙️](https://nilkanthmistrydevops.dev/day-10-aws-zero-to-hero-deep-dive-into-aws-cli?utm_source=hashnode&utm_medium=feed) In Day 10 of my AWS Zero to Hero journey, I explain AWS CLI architecture, installation steps, and hands-on commands for S3, EC2 & IAM 3 min read · [nilkanthmistrydevops.dev](https://nilkanthmistrydevops.dev/day-10-aws-zero-to-hero-deep-dive-into-aws-cli?utm_source=hashnode&utm_medium=feed) [Arnab](https://hashnode.com/@arnabnandi) · [Oct 12, 2025](https://hashnode.com/posts/day-14-project-docker-networking-made-simple-a-hands-on-guide/68eb77a9464d25ef805ef588) ### [Day #14 - PROJECT: Docker Networking Made Simple: A Hands-On Guide](https://learning-out-loud-my-devops-journey.hashnode.dev/day-14-project-docker-networking-made-simple-a-hands-on-guide?utm_source=hashnode&utm_medium=feed) See Containers Communicate, Isolate, and Secure Your Apps with Simple Experiments 10 min read · [learning-out-loud-my-devops-journey.hashnode.dev](https://learning-out-loud-my-devops-journey.hashnode.dev/day-14-project-docker-networking-made-simple-a-hands-on-guide?utm_source=hashnode&utm_medium=feed) [Deva Kumar](https://hashnode.com/@learningbydoing) · [Oct 1, 2025](https://hashnode.com/posts/microservices-hands-on-building-your-first-service-and-understanding-the-why/68dd5f6ab388bde51c5ab725) ### [Microservices Hands-On: Building Your First Service & Understanding the Why](https://learnbydoingit.hashnode.dev/microservices-hands-on-building-your-first-service-and-understanding-the-why?utm_source=hashnode&utm_medium=feed) Theory is good, but building is better. Let's code our first microservice and learn the core concepts by doing. 6 min read · [learnbydoingit.hashnode.dev](https://learnbydoingit.hashnode.dev/microservices-hands-on-building-your-first-service-and-understanding-the-why?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/microservices-hands-on-building-your-first-service-and-understanding-the-why/68dd5f6ab388bde51c5ab725) [Joel Thompson](https://hashnode.com/@Joelthompson247) · [Sep 30, 2025](https://hashnode.com/posts/kubernetes-for-beginners-hands-on-deployment-of-a-multi-user-todo-app/68dc613189581b9d52b8c364) ### [Kubernetes for Beginners: Hands-On Deployment of a Multi-User Todo App](https://joelthompson247.hashnode.dev/kubernetes-for-beginners-hands-on-deployment-of-a-multi-user-todo-app?utm_source=hashnode&utm_medium=feed) Introduction Welcome to your first practical journey into Kubernetes! If you've been reading about containers, pods, and services but haven't yet deployed a real application, this tutorial is for you. We're going to build and deploy a simple but func... 13 min read · [joelthompson247.hashnode.dev](https://joelthompson247.hashnode.dev/kubernetes-for-beginners-hands-on-deployment-of-a-multi-user-todo-app?utm_source=hashnode&utm_medium=feed) [Ahmad W Khan](https://hashnode.com/@AhmadWKhan) · [Sep 20, 2025](https://hashnode.com/posts/build-a-real-world-symfony-app-from-first-principles-to-production/68cee08ae799fcc7f97868d9) ### [Build a Real-World Symfony App from First Principles to Production](https://blog.ahmadwkhan.com/build-a-real-world-symfony-app-from-first-principles-to-production?utm_source=hashnode&utm_medium=feed) Learn by building TaskForge; Twig + Stimulus UI; Serializer/DTO API; file uploads; background emails; caching; PHPUnit; Dockerized Deployment 31 min read · [blog.ahmadwkhan.com](https://blog.ahmadwkhan.com/build-a-real-world-symfony-app-from-first-principles-to-production?utm_source=hashnode&utm_medium=feed)