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Talawa-API Installation

This document provides instructions on how to set up and start a running instance of talawa-api on your local system. The instructions are written to be followed in sequence so make sure to go through each of them step by step without skipping any sections.

Table of Contents

Prerequisites

You will need to have copies of your code on your local system. Here's how to do that.

Install node.js

Best way to install and manage node.js is making use of node version managers. Two most popular node version managers right now are fnm and nvm. We'd recommend fnm because it's written in rust and is much faster than nvm. Install whichever one you want and follow their guide to set up node.js on your system ensure the installation of Node.js version 20 LTS.

NOTE

  1. The repository has a .node-version file to help ensure you use the supported version of node.js. Do not edit this file.
  2. We strongly recommend that you configure your node version manager of choice to automatically read .node-version files

NOTE

  1. The repository has a .node-version file to help ensure you use the supported version of node.js. Do not edit this file.
  2. We strongly recommend that you configure your node version manager of choice to automatically read .node-version files

Install npm

npm is a package manager for Node.js and is installed with Node.js. npm is used to install, share, and distribute code as well as to manage dependencies in your projects. To check if you have npm installed you can run this command in your terminal:

npm -v

If you have it installed then you should see the version that's installed. If not, you can download Node.js and npm from the official Node.js website.

Install TypeScript

TypeScript is a typed superset of JavaScript that compiles to plain JavaScript. It adds optional types, classes, and modules to JavaScript, and supports tools for large-scale JavaScript applications.

To install TypeScript, you can use npm:

npm install -g typescript

This command installs TypeScript globally on your system so that it can be accessed from any project.

Install git

Follow the setup guide for git on official git docs. Basic git knowledge is required for open source contribution so make sure you're comfortable with it. Here's a good tutorial to get started with git and github.

Setting up this repository

First you need a local copy of talawa-api. Run the following command in the directory of choice on your local system.

  1. Navigate to the folder where you want to setup the repository. Here, I will set it up in a folder called talawa.
  2. Navigate to the folder and open a terminal in this folder (you can right-click and choose appropiate option based onn your OS). Next, we'll fork and clone the talawa-api repository.
  3. Navigate to https://github.com/PalisadoesFoundation/talawa-api/ and click on the fork button. It is placed on the right corner opposite the repository name PalisadoesFoundation/talawa-api. Image with fork
  4. You should now see talawa-api under your repositories. It will be marked as forked from PalisadoesFoundation/talawa-api Image of user's clone
  5. Clone the repository to your local computer (replacing the values in {{}}):
$ git clone https://github.com/{{YOUR GITHUB USERNAME}}/talawa-api.git

This will setup the repository and the code files locally for you. For more detailed instructions on contributing code, and managing the versions of this repository with Git, checkout CONTRIBUTING.md here

NOTE: All the commands we're going to execute in the following instructions will assume you are in the root directory of the project. If you fail to do so, the commands will not work.

Installation Using Docker

This guide provides step-by-step instructions on deploying a talawa-api using Docker. Docker allows you to package your application and its dependencies into a container, providing a consistent environment across different systems.

Prerequisites

Docker Compose Setup

For Development

  1. Build and Start Development Containers:

    docker-compose -f docker-compose.dev.yaml up --build

    This command starts the development environment, where you can make changes to the code, and the server will automatically restart.

  2. Access the Development Application: Open your web browser and navigate to http://localhost:4000.

  3. Stopping Development Containers:

    docker-compose -f docker-compose.dev.yml down

For Production

  1. Build and Start Production Containers:

    docker-compose -f docker-compose.prod.yml up --build -d

    This command starts the production environment in detached mode, suitable for production deployment.

  2. Access the Production Application: Open your web browser and navigate to http://localhost:4001.

  3. Stopping Production Containers:

    docker-compose -f docker-compose.prod.yml down

Congratulations! 🎉 Your Talawa API is now successfully set up and running using Docker!

Note: If you're using Docker, you'll need to manually import the sample data after the Docker Compose has started the MongoDB container. For instructions on how to do this, refer to Importing Sample Database

Installation without Docker

There are more steps, but the outcome is the same. A working Talawa-API instance.

Install the Required Packages

Install the packages required by talawa-api using this command:

npm install

Install MongoDB

Talawa-api makes use of MongoDB for its database needs. We make use of mongoose ODM to interact with the MongoDB database from within the code.

Setting up the mongoDB database

We're listing some common approaches to set up a running instance of MongoDB database:

  1. System native database approach: (Highly Recommended) You can install MongoDB natively on your system and create/connect to the database. Follow the setup guide on official MongoDB Docs for your respective operating system.
  2. Hosted database approach: MongoDB Atlas is the easiest way to get a running instance of mongodb database. It is a hosted(remote) mongodb database provided by mongodb itself. If you're a beginner and don't want too much of a hassle setting up the database you should use this approach but you should eventually switch to local instance. Follow the setup guide on official MongoDB Atlas Docs. Mongodb Atlas is just one of the many hosted database solutions. Some issues that you might face while using this are slower tests, slower API requests, dependence on Internet connection etc.
  3. Docker container approach: If you are fluent in working with docker you should use this approach. Docker is a great way to manage and run applications without natively installing anything on your system. With this you can set up the mongodb database inside a docker container and manage it as per your will. Follow this video tutorial to set up a mongodb docker container. You can learn about docker from Docker docs.

Install Redis

Talawa-api makes use of Redis for caching frequently accessed data items in the primary database. We make use of ioredis to interact with the redis-server from within the code. The main Idea is the in production this will act as an in-memory cache. So it is recommended that you set it up locally. However for simplicity purposes, a section to accomodate for setting Redis up using a remote instance like Redis Cloud has been added. Please note that this is not recommended since the remote connection takes a considerable amount of time to be considered as a cache to improve application performance.

Performance Benefits

Screenshot from 2023-08-26 18-37-34 Screenshot from 2023-08-26 18-37-48

Setting Up Redis

  1. For Linux Users:

    If you are using a Linux distribution, follow these steps to set up Redis:

    • Step 1: Open a terminal.

    • Step 2: Update the package list:

      sudo apt update

    • Step 3: Install Redis Server:

      sudo apt install redis-server

    • Step 4: Start the Redis service:

      sudo service redis-server start

    • Step 5: Test if Redis is running by running the Redis CLI:

      redis-cli

    • Step 6:

      • Use these parameters when running the setup script if you have configured the server on your local machine:
        • Redis Host: localhost
        • Redis Port: 6379 (default Redis port)

  2. For Windows Users using WSL:

If you'd rather not deal with the hassle of setting up WSL on your computer, there's another option: you can use a hosted database like Redis Cloud. More details about this are provided below, mainly for when you're working on development tasks. But it's a good idea to set up Redis on your own computer if you can. Right now, Redis isn't supported directly on Windows – you can only install and use it through WSL. If you're a Windows user and want to get Redis working using the Windows Subsystem for Linux (WSL), just follow these steps:

  • Step 1: Install WSL (Windows Subsystem for Linux) following the official WSL Installation Guide.

  • Step 2: Open a WSL terminal.

  • Step 3: Update the package list:

    sudo apt update

  • Step 4: Install Redis Server:

    sudo apt install redis-server

  • Step 5: Start the Redis service:

    sudo service redis-server start

  • Step 6: Test if Redis is running by running the Redis CLI:

    redis-cli

  • Step 7:

    • Use these parameters when running the setup script if you have configured the server on your local machine:
      • Redis Host: localhost
      • Redis Port: 6379 (default Redis port)

  1. Connecting to Redis Cloud:

    To connect to a Redis cloud service, you will need the host and port information provided by your cloud service provider. Use these values in your application to establish a connection. Typically, the host and port strings are provided in the following format:

    • Host: your-redis-host.redisprovider.com
    • Port: 6379 (default Redis port)

    Replace your-redis-host.redisprovider.com with the actual host provided by your Redis cloud service. You can then use these values in your application's configuration to connect to your Redis cloud instance. You may also have to enter Redis Password and Username for using cloud instance.

Remember to adjust any paths or details as needed for your specific environment. After following these steps, you will have successfully set up Redis.

Configuration

It's important to configure Talawa-API to complete it's setup.

A configuration file named .env is required in the root directory of Talawa-API for storing environment variables used at runtime. It is not a part of the repo and you will have to create it.

Automated Configuration of .env

You can use our interactive setup script to populate the .env file using the command below.

This will create a new .env file for you, and if one already exists, it will make the updates you require.

npm run setup

It can be done manually as well and here's how to do it.

Manual Configuration of .env

NOTE: Use the steps below if you decided not to use the automated configuration approach.

With a fresh installation, you will not see a .env file present. To manually create one, you will need to copy the contents of the .env.sample file provided to .env.

Use this command to do this

cp .env.sample .env

The Environment Variables in .env

This .env file must be populated with the following environment variables for talawa-api to work:

Variable Description
NODE_ENV Used for providing the environment in which the the talawa-api is running
ACCESS_TOKEN_SECRET Used for signing/verifying JWT tokens
REFRESH_TOKEN_SECRET Used for signing/verifying JWT tokens
MONGO_DB_URL Used for connecting talawa-api to the mongoDB database
RECAPTCHA_SECRET_KEY Used for authentication using reCAPTCHA
RECAPTCHA_SITE_KEY Used for authentication using reCAPTCHA
MAIL_USERNAME Used for mailing service
MAIL_PASSWORD Used for mailing service
LAST_RESORT_SUPERADMIN_EMAIL Used for promoting the default super admin
COLORIZE_LOGS Used for colorized log formats in console
LOG_LEVEL Used for setting the logging level
REDIS HOST Used for connecting talawa-api to the redis instance
REDIS_PORT Specifies the port of the active redis-server
REDIS_PASSWORD(optional) Used for authenticating the connection request to
a hosted redis-server

The following sections will show you how to configure each of these parameters.

Changing the Development Environment in the .env file

Change the NODE_ENV environment variable in the .env file from production to development:

NODE_ENV=development

Generating Token Secrets

Access and refresh token secrets are used for authentication purposes.

Setting up ACCESS_TOKEN_SECRET in the .env file

Run the following command and copy/paste the result to the variable named ACCESS_TOKEN_SECRET in .env file.

Linux

The command to use is:

openssl rand -hex 32
Windows

This command is available if you have Git for Windows installed. Follow these steps:

  1. Install Git for Windows
  2. Run the Git Bash app
  3. Issue the same command
openssl rand -hex 32

Setting up REFRESH_TOKEN_SECRET in the .env file

Run the following command and copy/paste the result to the variable named REFRESH_TOKEN_SECRET in .env file.

openssl rand -hex 32

Configuring MongoDB in the .env file

Here's how you will configure MongoDB.

NOTE: Talawa-API uses 2 databases, a primary and test version.

  1. You only have to setup one database and provide it's URL in the .env file. This is theprimary database and is used to store all your data.
  2. We automatically create a new database with the name TALAWA_API_TEST_DATABASE. This is exclusively used for storing all the test data generated during the testing process so that it does not bloat the main database with unnecessary data.

A Connection String is the URL that applications use to access a MongoDB database. Talawa-API will need to know the correct connection string to use to perform correctly.

  1. The Connection String is the .env variable named MONGO_DB_URL in the .env file.
  2. The Connection String can differ depending on the approach you used to set up your database instance. Please read the official mongodb docs on connection string.

Using the CLI to get the MONGODB_URL Connection String

Your MongoDB installation may include either the mongo or mongosh command line utility. An easy way of determining the connection string is to:

  1. Run the command line utility
  2. Note the connection string in the first lines of the output.
  3. Add the first section of the connection string to the MONGO_DB_URL section of the .env file. In this case it is mongodb://127.0.0.1:27017/
$ mongosh

Current Mongosh Log ID: e6ab4232a963d456920b3736
Connecting to:          mongodb://127.0.0.1:27017/?directConnection=true&serverSelectionTimeoutMS=2000&appName=mongosh+1.6.2
Using MongoDB:          6.0.4
Using Mongosh:          1.6.2

For mongosh info see: https://docs.mongodb.com/mongodb-shell/

...
...
...
...

Using Microsoft Windows to get the MONGODB_URL Connection String

There are a few more steps that need to be done in a Windows environment.

  1. Download the MongoDB Shell from the tools section at the following link:Mongo Shell
  2. Extract the downloaded shell folder, locate the mongosh application, and paste it to the following location: Program Files -> MongoDB -> bin.
    1. You will find the mongosh application inside the bin folder]
  3. Add the path of the location where you pasted the mongosh application to your system's environment variables.
  4. In a separate terminal, run the mongod command to start the local instance of the database.
  5. Create a folder named "data" in the C drive and within it create a new folder named "db".
  6. Open a terminal and run the mongosh command in the terminal you will get the connection string. In this case the Connection String is: mongodb://127.0.0.1:27017/?directConnection=true&serverSelectionTimeoutMS=2000&appName=mongosh+1.6.2
    1. In the .env file of Talawa-API, add the connection string to the MONGO_DB_URL section.
$ mongosh

Current Mongosh Log ID: e6ab4232a963d456920b3736
Connecting to:          mongodb://127.0.0.1:27017/?directConnection=true&serverSelectionTimeoutMS=2000&appName=mongosh+1.6.2
Using MongoDB:          6.0.4
Using Mongosh:          1.6.2

For mongosh info see: https://docs.mongodb.com/mongodb-shell/

...
...
...
...

Configuring Redis in .env file

Here's the procedure to set up Redis.

In the .env file, you should find three variables: REDIS_HOST, REDIS_PORT, and REDIS_PASSWORD. These environment variables will contain the necessary information for your codebase to connect to a running redis-server.

For Local Setup (Linux and WSL)

In both scenarios (Linux or WSL post-installation), the variable values should be configured as follows:

  1. REDIS_HOST = localhost
  2. REDIS_PORT = 6379 Note: This default port is used by the redis-server. However, if your redis-server operates on a different port, you must provide that port number.
  3. REDIS_PASSWORD should be left empty, as passwords are unnecessary for local connections.

For Remote Setup (Redis Cloud)

To begin, you must register for a free account on Redis Cloud. Following this step, you can proceed by selecting a database from the free tier, which comes with a 30MB data storage limit. Once completed, you can then access your Database by navigating to the Databases section. Here, you will find the option to view the overall settings of your free instance.

Screenshot from 2023-08-18 12-08-35

Here are the configuration details:

  1. REDIS_HOST = The Public endpoint assigned to your Database, excluding the .com. It will resemble something like redis-13354.c169.us-east-1-1.ec2.cloud.redislabs.com. The numerical value following this address is the port number.
  2. REDIS_PORT = The number provided in the Public Endpoint after the colon (:), for instance: 13354.
  3. REDIS_PASSWORD = The Default user password located in the Security Section.

Setting up .env LAST_RESORT_SUPERADMIN_EMAIL parameter in the .env file

The user with the email address set with this parameter will automatically be elevated to Super Admin status on registration.

  1. When installing, set this to the email address of the person you want to be the very first Super Admin.
    • This will usually be the email address of the person installing the software.
  2. If this is not set you will not be able to administer the application.

If you don't set this parameter, then you'll need to follow the Manually Adding The First Super Admin User process discussed later in this document.

Set this value in the event that you need to elevate any of your users to be a Super Admin.

NOTE It is STRONGLY advised that you remove the email address once the initial installation and setup has been done.

Configuring Google ReCAPTCHA in the .env file

You need to have a google account to follow the following steps.

Setting up the RECAPTCHA_SECRET_KEY

We use reCAPTCHA for two factor authentication (2FA). Follow these steps:

  1. Visit the reCAPTCHA Key Generation URL.

  2. Fill in the input blocks as shown in the screenshot: Set up recaptcha page

  3. Click on Submit button.

  4. Copy the generated Secret Key to variable named RECAPTCHA_SECRET_KEY in .env file.

    Set up recaptcha page

  5. NOTE: Save the generated Site key as it will be used in talawa-admin.

Setting up .env MAIL_USERNAME and MAIL_PASSWORD ReCAPTCHA Parameters

NOTE: ReCAPTCHA is a type of 2FA, so your Google account needs to have two factor authentication set up for the following steps to work. Make sure this is done before proceeding

The MAIL_USERNAME and MAIL_PASSWORD parameters are required to enable an app to access 2FA features. This is how to know what they should be.

  1. Go to your google account page.
  2. Search for App Passwords in the Search Google Account search bar and select it.
  3. Click on create a new app-specific password and enter talawa as the custom name and press the Create button.
  4. Copy the 16 character generated app password to the variable named MAIL_PASSWORD in .env file.
  5. Copy your usual gmail address to the variable named MAIL_USERNAME in .env file.

For more info refer to this Google Answer.

Setting up SMTP Email Variables in the .env File

For using SMTP server instead of Gmail, following steps need to be followed:

  1. Set the IS_SMTP variable to true for example IS_SMTP=true
  2. Go to your your SMTP server, and note the following variables:
SMTP_HOST=your-smtp-server-hostname
SMTP_PORT=your-smtp-server-port
SMTP_USERNAME=your-smtp-username
SMTP_PASSWORD=your-smtp-password
SMTP_SSL_TLS=true-or-false

For example:

SMTP_HOST=smtp.hostgator.com
SMTP_PORT=465
[email protected]
SMTP_PASSWORD=
SMTP_SSL_TLS=true

For more information on setting up a smtp server, here's a useful article

Setting up Logger configurations

  1. This is an optional setting
  2. You can set up and customize logs by configuring the following parameters

Setting up COLORIZE_LOGS in .env file

The parameter COLORIZE_LOGS is a boolean field and can be set to true or false. It customizes the log colorization formats displayed in console. You can set the value in .env file as

COLORIZE_LOGS = false

If the parameter value is set to true, you should be able to see colorized logs in console, or else logs will display in the console's default simple format.

Colorized logs in console

Setting up LOG_LEVEL in .env file

There are different logging levels that can be configured by setting this parameter. The severity order of levels are displayed numerically ascending from most important to least important.

 levels = {
    error: 0,
    warn: 1,
    info: 2,
    http: 3,
    verbose: 4,
    debug: 5,
    silly: 6
  }

On setting this parameter value, log messages are displayed in the console only if the message.level is less than or equal to the LOG_LEVEL set.

For our application, the most appropriate setting is LOG_LEVEL = info since most of information logged on the console are error messages, warnings or info texts.

Importing Sample Database

Talawa API contains a sample database importing function which can be used to import sample database.

Syntax:

npm run import:sample-data -- [args]

You can pass the following arguments while running this script.

  • --format: Cleans the database before import. Add this flag with caution. It will delete all of the existing data inside the talawa database.
  • --items=: Specify the items to add.
    • Following items can be specified, separated with a comma ,
      • users: For users collection
      • organizations: For organizations collection
      • events: For events collection
      • posts: For posts collection

Examples:

  • npm run import:sample-data: This command will import the complete sample database without removing the existing data.
  • npm run import:sample-data -- --format: This command will import the complete sample database after removing the existing data.
  • npm run import:sample-data -- --format --items=users,organizations,appUserProfiles: This command will import the sample users , organizations and appUserProfiles collections after cleaning the existing data.
  • npm run import:sample-data -- --items=users,organizations,appUserProfiles: This command will import the sample users , organizations ans appUserProfiles collections without cleaning the existing data.

Sample Data Overview:

The sample data contains organizations, users, events and posts. Here are the details for each of organizations and user account.

User Accounts and Organizations:

Email Password User Type Joined Organization Admin For
[email protected] Pass@123 USER Angel Foundation None
[email protected] Pass@123 USER Angel Foundation None
[email protected] Pass@123 USER Angel Foundation None
[email protected] Pass@123 ADMIN Angel Foundation Angel Foundation
[email protected] Pass@123 ADMIN Hope Foundation Hope Foundation
[email protected] Pass@123 ADMIN Dignity Foundation Dignity Foundation
[email protected] Pass@123 SUPERADMIN The Unity Foundation ALL

Posts

There is one post inside the The Unity Foundation

Events

There is one event inside the The Unity Foundation

Running Talawa-API

Talawa-api development server runs two processes simultaneously in the background. They are:

  1. GraphQL code generator: This watches for changes in the graphQL type definition files and generates corresponding typescript types in the background. This results in good code editor experience with typescript.

  2. Talawa-api server: This runs talawa-api directly transpiling the typescript files and running them without emitting as javascript files. It also watches for changes in the code files and restarts the server if it detects any changes.

Run the following command to start talawa-api development server:

npm run dev

How to Access the Talawa-API URL

There are many important URLs for accessing the API

For Talawa-API Developers

By default talawa-api runs on port 4000 on your system's localhost. It is available on the following endpoint:

    http://localhost:4000/

If you navigate to the endpoint you and see a JSON response like this it means talawa-api is running successfully:

    {"talawa-version":"v1","status":"healthy"}

GraphQL endpoint for handling queries and mutations is this:

    http://localhost:4000/graphql/

GraphQL endpoint for handling subscriptions is this:

    ws://localhost:4000/graphql/

For Mobile App Developers

The Organization URL for Talawa mobile app developers will depend upon the device on which Mobile app is installed.

On Android Virtual Device

  • If Talawa Mobile App is installed on Android Virtual Device (AVD), use the following URL:
    http://10.0.2.2:4000/graphql

On a Real Mobile Device

  • If Talawa Mobile App is installed on a Real Mobile Device, follow the below steps to get URL:
    • Open Command Prompt in Windows, or Terminal in Linux/OSX
    • Enter ipconfig (For Windows Users) or ifconfig (For Linux/OSX Users)
    • Your Mobile and Computer (On which API server is running) must be on same Wifi Network. Use Mobile Hotspot to connect your computer to internet in case you don't have access to a Wifi Router.
    • Search for the Wireless LAN adapter Wi-Fi: and then copy IPv4 Address, like in image below:
    • image
    • Now, use this IP address (192.168.0.105 in our case) to access the API instance using the following URL pattern:
    http://{IP_Address}:4000/graphql

For example:

    http://192.168.0.105:4000/graphql

For Talawa-Admin Developers

The Organization URL for Talawa mobile app developers to use is:

   http://localhost:4000/graphql/

Accessing MongoDB

There are many ways to access MongoDB.

Managing MongoDB using the MongoDB Compass GUI

Open MongoDB Compass and click on "Connect." You will now be able to access the graphical user interface of the local database.

NOTE: You can do the same in macOS and linux with minor tweaks. This has been provided to give a brief overview for beginners to setup their own local instance.

Managing MongoDB using the VSCode extension

This guide is for VSCode users to easily manage their MongoDB databases:

  1. Install the offical MongoDB extension for VSCode named MongoDB for VS Code.

    Install official mongoDB vscode extension

  2. Connect your MongoDB database to the extension.

    Connect your mongoDB database to the extension

    Connect your mongoDB database to the extension

  3. Now you can manage the database you are using for talawa-api through this extension within VSCode.

Manually Adding The First Super Admin User

You can skip these instructions for now if you don't have running instance of Talawa-Admin.

  1. This step is for mandatory Linux specific users others can skip to next step:

    1. You need to start mongod [Mongo daemon process] for mongosh to work use the following command for the same:
    • sudo service mongod start [System V init(service)] or sudo systemctl start mongod [systemd(systemctl)]
    1. To verify whether mongod[Mongo daemon process] is running you can use either:
    • sudo systemctl status mongod [systemd(systemctl)] or sudo service mongod status [System V init(service)]

Using MongoDB Compass

  1. Open MongoDB Compass and click on Connect.

  2. Select your database.

  3. Elevate the user status:

    1. Find the AppUserProfile document of the user that you want to elevate to superadmin.
    2. In that AppUserProfile document, update the value of isSuperAdmin field to be true.
    • Illustration for user edit

Using Mongo Shell

  1. Open a terminal and run mongosh command to open interactive command line interface to work with MongoDB database.

  2. In the mongosh terminal use the following commands to edit the appuserprofiles collections data:

    1. Find the user:
    const currentUser = db.users.findOne({ firstName: '<user's first name>'})
    1. Elevate permission of this user in its AppUserProfile, i.e. set isSuperAdmin to true:
    db.appuserprofiles.updateOne({ _id_: currentUser.appUserProfileId },{ $set: { isSuperAdmin: true }})
    1. To verify the details were updated correctly use:
    db.appuserprofiles.findOne({ _id_: currentUser.appUserProfileId })

Note: You can make the edit via any of these two methods.

Other

These are some other factors to consider

Changing default talawa-api port

If port 4000 is not free on your system you can pass a custom environment variable named PORT to the script to make it use a different port on your system's localhost. Here's the syntax for it:

    PORT=<CUSTOM_PORT_VALUE> npm run dev

where <CUSTOM_PORT_VALUE> is whatever value you want the PORT to be. Whatever you pass will be substituted as the value for port and talawa-api development server on that port. Syntax wise it looks like-

    http://localhost:<CUSTOM_PORT_VALUE>/

For example:

    PORT=5000 npm run dev

will make talawa-api accessible on the following endpoint:

    http://localhost:5000/

Testing

Talawa-api makes use of vitest to run tests because it is much faster than jest and more comfortable to work with.

You can run the tests for talawa-api using this command:

    npm run test