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Development Overview

Piranha is an application to help HackGT manage our internal financial processes ("sinking our teeth in") so to speak.

Architecture

Backend Architecture
  • Language: TypeScript
  • Framework: Node.js/Express
  • Database: Postgres
  • Authentication: Ground Truth
  • API: GraphQL (Apollo Server)
  • Dependency management: yarn
  • Where: /server
Frontend Architecture

Setup

Server

  1. cd server then yarn install
  2. yarn migrate:dev to setup database
  3. yarn generate to generate Prisma client and GraphQL types
  4. yarn dev

Environment Variables

Once you have the backend dependencies installed, configure the backend environment variables by copying .env.example to a new file called .env and filling in the variables.

To setup google file upload, add your Google service account credentials to a file called google-application-key.json in the config directory.

Client

  1. cd client then yarn install
  2. yarn start

Utilities

Typings

First, this will generate TypeScript typings and a new Prisma client from your Prisma schema (schema.prisma). Then, it will also generate TypeScript typings based on your GraphQL schema (api.graphql) via GraphQL Code Generator.

  1. yarn generate

Note, anytime either of these schemas are changed, you will need to rerun yarn generate to generate new typings.

Migrations

After changing the Prisma schema (schema.prisma), run the following commands in the server folder to migrate the database and generate a new Prisma client.

  1. yarn migrate:dev
  2. yarn generate