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Hotel App

A scalable application made for Travel Lodge with microservices

As per the requirement and to improve the scalability of the application I have used microservices architecture when building the project
For the backend development I have used Apollo Federation with nodejs as Apollo plays a leading role when comes to graphql. And Apollo Federation provides tons of scalability along with simplicity. We can share data between our services without any hustle.
As per Databases I have used a noSQL database as they provides horizontal scaling and tons of flexibility. For this purpose I have took mongoDB cloud.
For the frontend, I have choose micro frontend architecture as well because it gives scalabilty and sharing components, data and easy to collaborate with multiple teams. For Microfrontend I have choosen Single-SPA. It allows to work with multiple frameworks for different services without worring much on intergration. Single-SPA uses runtime Intergration via script so it is super flexible.
For this project I have used only react for all services and Apollo client for communication with our graphql backend, styled-components for themeing and styles.

Project Architecture

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Project Sequence Diaghram

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Project Demo

Getting Started

Installation

Clone the repo:

git clone https://github.com/hashaneranda/hotel-app
cd hotel-app

Install the dependencies:

yarn install

and create a new file .env and copy the content of .env.sample for hotel-backend/services/*

Commands

Running app locally:

yarn start

the app will run on http://localhost:9000

Project Structure

hotel-backend\
 |--services\       # Apollo Federation services and gateway
    |--foods\       # Foods service
    |--gateway\     # Graphql gateway
    |--users\       # users service
hotel-backend\
 |--services\       # Single SPA microfrontend
    |--api\         # Graphql apollo client service
    |--auth\        # Authentication app
    |--food\        # Food order app
    |--root-config\ # root config for single spa
    |--styleguide\  # Common components and styles