Harsh Patel

Full Stack Developer (MERN) | React.js · Node.js · Generative AI · RAG | Building real-time, AI-powered web apps

[Harsh Patel @Coder_Hp]

Introducing ⚡ ZErio AI

A solo-built full-stack AI platform:

🟢 5 LLMs — (Gemini), (GPT-4), , ,
🧠 RAG — chat with PDFs, DOCX, JSON
🌐 Live web search (Tavily)
👁️ Vision — upload & ask
⚡ Real-time streaming
🔐 Auth + Redis
📁 ImageKit CDN

Not a wrapper. A product.
#Ai

[Harsh Patel @Coder_Hp]

Day 108 of coding journey 🚀

🔹 Learned about Microservices Architecture
🔹 Understood where and why microservices are used
🔹 Explored how distributed services communicate with each other
🔹 Learned why companies split applications into multiple services
#100DaysOfCode #kuber

[Harsh Patel @Coder_Hp]

Day 107 of coding journey 🚀

🔹 Mind-blown day while exploring AWS 🤯
🔹 Tried hosting my project on AWS
🔹 Created and configured ECR
🔹 Learned about IAM roles & permissions
🔹 Worked with ECS for container deployment
🔹 Got hands-on experience with real cloud infrastructure

[Harsh Patel @Coder_Hp]

Day 106 of coding journey 🚀 (2/2)

🔹 Learned how Docker is used in production
🔹 Created a multi-stage Dockerfile
🔹 Used "npm run build" in the build stage
🔹 Copied build files into the final image
🔹 Built Docker images and ran containers successfully

#100DaysOfCode #Docker

[Harsh Patel @Coder_Hp]

Day 106 of coding journey 🚀 (1/2)

🔹 Learned AWS networking basics (VPC, Public & Private Subnets)
🔹 Understood Security Groups, Target Groups & ALB
🔹 Explored how these components work together in production
🔹 Got a better understanding of cloud infrastructure

[Harsh Patel @Coder_Hp]

Day 105 of coding journey 🚀

🔹 Explored "docker compose up" & "docker compose down"
🔹 Understood how volumes work with node_modules
🔹 Set up Docker for full-stack applications
🔹 Tested how changes reflect across containers and services

#100DaysOfCode #Docker #DevOps #Ai

[Harsh Patel @Coder_Hp]

Day 104 of coding journey 🚀

🔹 Learned more about Docker and how it works
🔹 Explored Docker Compose
🔹 Learned about bind mounts & volumes
🔹 Understood how code changes automatically reflect using bind mounts
🔹 Explored container workflow and development setup
#100DaysOfCode

[Harsh Patel @Coder_Hp]

Day 103 of coding journey 🚀

🔹 Learned how Helmet works for security
🔹 Understood how Helmet helps secure backend apps
🔹 Started learning Docker basics
🔹 Learned what images & containers are
🔹 Explored why Docker is useful for deployment & consistency
#100DaysOfCode #Docker

[Harsh Patel @Coder_Hp]

Day 102 of coding journey 🚀

🔹 Learned how Razorpay works
🔹 Integrated Razorpay into my project
🔹 Added new features to the E-commerce project
🔹 Built delivery partner flow
🔹 Added seller order confirmation system

#100DaysOfCode #Razorpay #Ecommerce #FullStack #Backend

[Harsh Patel @Coder_Hp]

Day 101 of coding journey 🚀

🔹 Learned about Aggregation Pipeline
🔹 Learned how it helps with faster & optimized database queries
🔹 Used it in my current project for faster cart & order operations
🔹 Understood its usefulness for handling large datasets

#100DaysOfCode

[Harsh Patel @Coder_Hp]

@compileandpush Yes, I implemented protected routes with role-based access control. The auth flow verifies whether the user is a buyer or seller before granting access to specific routes. Seller-only routes are restricted to sellers, while buyer features like add-to-cart require authentication.

[Harsh Patel @Coder_Hp]

Day 99 of coding journey 🚀

🔹 Created dashboard UI pages
🔹 Built separate flows for users & sellers
🔹 Implemented protected routes
🔹 Created seller dashboard
🔹 Built seller product listing page

#100DaysOfCode #Ecommerce #React #FullStack #WebDevelopment

[Harsh Patel @Coder_Hp]

100 days of consistency, learning, debugging, building, and shipping. Still a long way to go, but proud of the progress 🔥

https://t.co/4ppxDxXmG1

#BuildInPublic #WebDevelopment

[Harsh Patel @Coder_Hp]

Day 100 of coding journey 🚀🎉

🔹 Worked on cart functionality & APIs
🔹 Created cart routes and integrated flow
🔹 Redesigned parts of the UI
🔹 Improved UX with a more minimal approach
🔹 Focused on making the experience smoother

#100DaysOfCode #Ecommerce #FullStack

[Harsh Patel @Coder_Hp]

Day 98 of coding journey 🚀

🔹 Created new APIs for seller features
🔹 Worked on seller product creation flow
🔹 Integrated ImageKit for product image uploads
🔹 Built product creation functionality
🔹 Tested API flow and uploads

#100DaysOfCode #Ecommerce #Backend #ImageKit

[Harsh Patel @Coder_Hp]

Day 97 of coding journey 🚀

🔹 Successfully implemented Google Auth
🔹 Completed OAuth integration flow
🔹 Tested everything and it’s working smoothly
🔹 Improved authentication system in my E-commerce project

#100DaysOfCode #GoogleAuth #OAuth #React #FullStack

[Harsh Patel @Coder_Hp]

@ThePracticalDev https://t.co/Bt1DnGXjnk

[Harsh Patel @Coder_Hp]

Day 96 of coding journey

🔹 Worked on my E-commerce project
🔹 Built authentication system
🔹 Created auth UI
🔹 Structured frontend with 4-layer React architecture
🔹 Tested everything properly

Production-grade build in progress 🔥
#100DaysOfCode #Ecommerce #React #FullStack

[Harsh Patel @Coder_Hp]

@404not_utkarsh Cool.
Now ask AI to fix production bugs at 3AM, scale traffic, handle auth, optimize DB queries, and stop memory leaks 😂

[Harsh Patel @Coder_Hp]

Day 95 of coding journey 🚀
🔹 Started a new E-commerce project
🔹 Planning to build it production-grade
🔹 Did initial project setup
🔹 Created some database models
🔹 Planned the project structure & next steps

#100DaysOfCode #Ecommerce #FullStack #WebDevelopment #BuildInPublic

[Harsh Patel @Coder_Hp]

@404not_utkarsh Bro Even they did't know what is api or how things works , and post on linkdin like they did something crazy.