This is a Hotel Reservation System created by MERN stack and used Micro Services Architecture to develop this system

• Micro Services Architecture
• MVC model for develop each service
• Mono Repos for manage the projects
• MERN stack for development (TypeScript backend)
• NATS Streaming Server (Event Bus) for event handling
• Ingress-Nginx as Ingress Controller and Load balancer
• Skaffold for automate development
• publish npm package as shared library for the project
• Use docker hub for image publish
• bull.js for handle expiration service
• use Redis Server for expiration service
• use mongoDB as a database
• use docker for containerized the each service
• kubernetes for manage containers
• use Google kubernetes engine for host micro services and use it as a development cluster and then convert to production cluster
• Default error handling
• Backend validation
• Authentication and Autherization (JWT token, email verifications)
• Configure a domain for backend cluster
• Configure a SSL certificate to server through ingress-nginx
• Front end hosted on Vercel

This is a web-based chat application (ChatChops)

• Login and Registration
• Private chat rooms
• Private group chat
• Public chat rooms
• Send friend requests, remove friends
• Email verifications
• Admin Dashboard for analyzing data
• Generate reports as tables and plots
• Profile edit section

This is a Bidding System created by Java (with Java Networking Programming) and used Client-Server Architecture and Publisher-Subscriber Architecture to handle core operations. All operations are handled by the central server.

• Login and Registration
• The server can handle multiple users
• Bidding time can be set when starting the bidding
• Client-Server Architecture
  • Companies can publish items and edit items' details
  • Clients can bid on items
  • Both users can view the list of the current items
  • Both users can subscribe to items
  • Both users can view the details of subscribed items
• Publisher-Subscriber Architecture
  • Reserve subscribed items bid update notifications
  • Notifications about added new items

This is a cloud-based service platform that will be implemented to make the connection comfortable between the tea factories in Sri Lanka and their growers.

• Generating monthly, weekly reports
• Send reports to the corresponding grower
• Generating requesting letters (loans, fertilizer, tea packets, etc.) and send to the factory admins
• Send notifications about pending and confirmed requesting letters etc

This is an Ecommerce Site

• created using React.js
• Authentication with Firebase
• used Firestore as a Database
• Deploy with netlify : Hosted URL
• used styled components
• Context for global state handling
• React router v6
• migrate context to redux store (v1)
• redux-persist for cashing
• use redux thunk (v2)
• use redex-saga (v3)
• add stripe payments
• add serverless function for payments (using netlify serverless functions)
• used type script (v4)
• test memo, lazy reload

This is a Test .Net Micro Service App

• Micro Service Architecture
• Each RESTfull API use MVC architecture
• Based on .Net, Sql Server
• RabbitMQ as event bus
• Http Sync client
• gRPC Sync Server and Client
• Docker for impliment services (Docker Desktop on Windows 11 )
• Kubernetes for manage Containers
• set Cluster IP for commnication between pods
• set API GateWay using "Ingress-Nginx"
• Node Port and Loadbalancer for development
• use dockerhub to handle images

This is a application based on Micro Services Architecture (On going)

• Micro Service Architecture
• Each RESTfull API use MVC architecture
• Based on TypeScript, Node.js, Express, mongoDB
• Docker for impliment services (Docker Desktop on Windows 11 )
• Kubernetes for manage Containers ( Minikube )
• impliment deployments and services (/infra/k8s/*)
• set Cluster IP for commnication between pods (/infra/k8s/*)
• set Loadbalancer using "Ingress-Nginx"
• use dockerhub to handle images
• use mongo image from dockerhub to impliment mongodb
• Skaffold for automate development process (./skaffold.yaml)
• create and publish shared library [@tickethub-kv/common]
• Distribute Credentials Securely Using Secrets in kubernetes cluster
• Server Side Rendering with Next.js
• Error Handling
• Backend Validation
• Authentication and Authorization
• Testing with jest, ts-jest, supertest and mongodb-memory-server
• For More Details about each service See README.md

This is an application that can be used to add and find places to travel. (MERN Stack)

• Authentication and Authorization
• Find, Add, Edit, Delete Places
• Image uploading
• Show Places in Google Map
• Share Places
• Connect backend using fetch API
• Frontend hosted in Firebase : Hosted URL
• Backend with Node.js and Express : Github URL

This is an Rest API of the Place Experts Application. (MERN Stack)

• Authentication and Authorization
• Find, Add, Edit, Delete Places
• Image uploading
• Find Location using Google Geocoding API
• mongoDB connection
• MVC Model
• Input validation
• Error Handling
• API hosted in Heroku : Hosted URL
• DB hosted in mongoDB Atlas
• Front-end with React.js : Github URL

This is a smart car parking system based on IoT and cloud technologies.

• Capture parking slot status from Ultrasonic sensors.
• Upload real-time parking slot status data to Firebase through NodeMCU.
• This system hosted in Heroku and DB hosted in mongoDB(Atlas)
• Display parking slot status through the dashboard.
• Tracking packing data and display logs.
• Authentication.
• New vehicles and user registration.
• Employee side: Github Link
• Admin side: Github Link
• Backend: Github Link

This is a sample application with Micro Front end Architecture

• impliment services with micro front end architecture
• Use monoripos
• use webpack
• module federation
• implement CD pipeline using github action and workflows
• hosted in s3 bucket and distribute through cloud front
• routing with browser history and memory history
• hosted link

This is a MERN stack pogram with Micro Services Architecture

• impliment services with micro services architecture (evnet-bus handle communication between client, comment, post, and moderation serve)
• use MERN stack
• Docker for impliment services ( Docker Desktop on Windows 11)
• Kubernetes for manage Containers ( Minikube ) --driver=hyperv
• impliment deployments and services ( /infra/k8s/* )
• set NodePort for post service for development /infra/k8s/post-srv.yaml
• set Cluster IP for commnication between pods ( /infra/k8s/* )
• set Loadbalancer using "Ingress-Nginx"
• use dockerhub to handle images
• Skaffold for automate development process ( ./skaffold.yaml )

This is vehical Renting system dashboard for handle users of the system

• Authentication
• Add, Delete, Update and Searchig features

This is an hotel reservation system (On going project with MERN Stack)

• Dashboard
• Login and Registration