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example-project

Description

This is example project of simple blog REST API. This API contains two entities with 1:N association (Post and Comment under the post). The whole app is built on the top of express web server and prisma ORM. As the database engine is used sqlite3.

Feel free to start your own project from this example :-).

Dependencies

  1. nodejs >= 14
  2. npm
  3. git

First steps

  1. Clone project to your computer by executing command:

    git clone git@gitlab.com:jan.havlena/example-project.git
    cd example-project/
    

    or download it as a standalone archive from here.

  2. Install all required packages by running: npm install. You can find their names in package.json file under dependencies field.

  3. Create migration and initialize databases with example data from seed.js file by running prepared script npm run prisma:init.

  4. Now you can start app in development mode by running npm start or npm run start:dev.

.env files

Environment files allow as to add custom variables into nodejs process for later use. With this functionality is possible to run application in different modes based on used .env file.

Available modes of this app are development (.env.development), production (.env.production) and test (.env.test). Each mode use different database file. You can start you application by prepared scripts in production npm run start:pro or development npm run start:dev mode.

The .env files are loaded by dotenv-cli package. You can load certain .env file with your own command simply as this dotenv -e .env.production -- {your command}.


Don't forget that each mode has its own database file with different data.

Config files

All important application settings are located in main config file config.js. It allows you to set host, port, custom response headers and CORS origins.

Prettier

Prettier is awesome tool which formats your code automatically into human readable form. Pretty cool, right? Simply run npm run fix and prettier will do the rest. You can define your own settings in .prettierrc file.

Prisma

Prisma is great ORM which simplifies database use. This project uses for simplicity Sqlite3 but many other databases are available. Prisma-cli allows you to manage you database from CLI by actions under prisma command. Database is created from schema file prisma/schema.prisma.

  • To create your first migration and generate database schema run dotenv -e .env.development -- prisma migrate dev --name init.
  • To apply all waiting migrations run dotenv -e .env.development -- prisma migrate deploy.
  • To push demo data generated by prisma/seed.js file into database run dotenv -e .env.development -- prisma db seed

Tests

Application contains few simple tests build with use of mocha. All test sets are located under test/ directory. There are server REST API tests based on supertest package and database tests based on chai package. You can execute them all by running npm test. See their source files to find out how to write you own tests.

Useful notes

  • This project is set to module type in package.json. That's why you have to use JS ES6 import / export statement instead of older ES5 require() / module.exports. Learn more here.
  • Always run this project with npm or yarn and desired .env file to avoid errors.

License

MIT

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