Financial Market Feed

Tech Stack

This project is a NestJS microservice for publishing a Financial Market Feed. Some of markets supported are:

• Daily stock market prices
• Daily Option market prices
• Daily CrypoCurrency prices

This project is a hobby project and not meant to be used for business purposes. The tech stack used are:

• Node.js as the JavaScript runtime
• Nest.js as the Node.js web applications framework
• AWS Lambda for executing the project as a serverless application
• Terraform as the Infrastructure As Code (IaC) tool for provisioning and managing AWS resources
• GitHub Actions as the CI/CD tool

Project Dependencies

To build and run this project, you'll need the following tools.

• SAM CLI - Install the SAM CLI
• Node.js - Install Node.js 12x+, including the NPM package management tool.
• Docker - Install Docker community edition
• Terraform - Install Terraform

Build the Application

To build your application for the first time, run the following in your shell:

foo@bar:~$: cd api 
foo@bar:~$: npm install
foo@bar:~$: npm run build-local

Run this application as a Nest.js application

To run this application for the first time, run the following in your shell:

• Assuming the you are in the api folder

foo@bar:~$: npm run start:debug
[12:58:55 PM] Starting compilation in watch mode...

[12:59:10 PM] Found 0 errors. Watching for file changes.

Debugger listening on ws://127.0.0.1:9229/a3e42d8c-d364-48ab-812a-e22356effea3
For help, see: https://nodejs.org/en/docs/inspector
[Nest] 23089   - 05/08/2021, 12:59:13 PM   [NestFactory] Starting Nest application...
[Nest] 23089   - 05/08/2021, 12:59:13 PM   [InstanceLoader] AppModule dependencies initialized +78ms
[Nest] 23089   - 05/08/2021, 12:59:13 PM   [RoutesResolver] AppController {}: +201ms
[Nest] 23089   - 05/08/2021, 12:59:13 PM   [RouterExplorer] Mapped {/hello, GET} route +4ms
[Nest] 23089   - 05/08/2021, 12:59:13 PM   [NestApplication] Nest application successfully started +3ms

Open up the browser to http://127.0.0.1:3000/hello to invoke the service.

Run the Application as a serverless lambda application

To run this application for the first time, run the following in your shell:

foo@bar:~$: cd .. 
foo@bar:~$: sam local start-api
Mounting FinancialMarketApi at http://127.0.0.1:3000/{proxy+} [DELETE, GET, HEAD, OPTIONS, PATCH, POST, PUT]
You can now browse to the above endpoints to invoke your functions. You do not need to restart/reload SAM CLI while working on your functions, changes will be reflected instantly/automatically. You only need to restart SAM CLI if you update your AWS SAM template
2021-05-08 12:51:49  * Running on http://127.0.0.1:3000/ (Press CTRL+C to quit)

Open up the browser to http://127.0.0.1:3000/hello to invoke the service.