Nest GraphQL Training

Description

• Nest: Nest is a framework for building efficient, scalable Node.js server-side applications.
• Express: a well-known minimalist web framework for node.
• GraphQL
• Apollo
• Prisma: ORM
• pnpm: Package Manager

Docs

1. Getting Started
2. Tracing Nestjs
3. Healthcheck

Upgrade packages

https://www.npmjs.com/package/npm-check-updates

ncu

Format

pnpm format

Running the app

1. Run on local

   1. Install dependencies

      pnpm install
      

   2. Start database.

      docker-compose up -d postgres
      

      or use local postgresql

      psql postgres
      CREATE USER nest_graphql_training WITH PASSWORD 'nest_graphql_training';
      ALTER USER nest_graphql_training CREATEDB;
      ALTER DATABASE nest_graphql_training OWNER TO nest_graphql_training;

   3. Prepare schema

      npx prisma migrate dev --name init
      

   4. Run the app.

      # development
      $ pnpm run start
      
      # watch mode
      $ pnpm run start:dev
      
      # production mode
      $ pnpm run start:prod

2. Run with docker

   docker compose up --wait
   

3. Send mutation request from http://localhost:3000/graphql

   mutation test {
     createUser(
       name: "john",
       email: "john@email.com",
       password: "password",
       hobby: "programming"
     ) {
       registeredAt,
       id,
       name,
       hobbies {
         id,
         name
       }
     }
   }
   

   or via curl

   curl 'http://localhost:3000/graphql' -H 'Accept-Encoding: gzip, deflate, br' -H 'Content-Type: application/json' -H 'Accept: application/json' -H 'Connection: keep-alive' -H 'DNT: 1' -H 'Origin: http://localhost:3000' --data-binary '{"query":"mutation test {\n  createUser(\n    name: \"bob\",\n    email: \"bob@email.com\",\n    password: \"password\",\n    hobby: \"cooking\"\n  ) {\n    registeredAt,\n    id,\n    name,\n    hobbies {\n      id,\n      name\n    }\n  }\n}"}' --compressed
   {"data":{"createUser":{"registeredAt":"2023-03-18T23:35:57.467Z","id":4,"name":"bob","hobbies":[{"id":2,"name":"cooking"}]}}}
   

4. Query request from http://localhost:3000/graphql

   query hobby {
     hobbies {
       id,
       name,
     }
   }
   

   You can send via curl:

   curl 'http://localhost:3000/graphql' -H 'Accept-Encoding: gzip, deflate, br' -H 'Content-Type: application/json' -H 'Accept: application/json' -H 'Connection: keep-alive' -H 'DNT: 1' -H 'Origin: http://localhost:3000' --data-binary '{"query":"query hobby {\n  hobbies {\n    id,\n    name,\n  }\n}"}' --compressed
   {"data":{"hobbies":[{"id":1,"name":"programming"}]}}
   

Test

# unit tests
$ pnpm run test

# e2e tests
$ pnpm run test:e2e

# test coverage
$ pnpm run test:cov