graphql-playground

A GraphQL server that allows the user to interact with data using GraphiQL.

Built with

• Node.js
• Express
• GraphQL Express
• GraphiQL Express
• Data connectors:
  • Sqlite
    • Run 'node run setup-sqlite' to create and populate the sqlite instance
  • DynamoDB
    • Expects a local DynamoDB instance to run on 'localhost:3001' (see Download and Run DynamoDB Locally)
    • Go to the local instance folder and run 'java -Djava.library.path=./DynamBLocal_lib -jar DynamoDBLocal.jar -sharedDb -inMemory -port 3001'
    • Run 'node run setup-dynamodb' to create and populate the DynamoDB instance
  • REST endpoints

How to install and run

• Enter 'server' folder
• Run 'npm install'
• Run 'npm start'

Queries

Try the following query on the different connectors.

{
  movie(title:"Batman", year: 1989) {
    year
    title
    info {
      directors
      release_date
      rating
      genres
      image_url
      plot
      rank
      running_time_secs
      actors
    }
  }
}

Sqlite

Go to 'localhost:4000/graphiql/sqlite' and explore using graphiql.

DynamoDB

Go to 'localhost:4000/graphiql/dynamodb' and explore using graphiql.

Rest Endpoint

The query bellow can be run in all graphiql endpoints listed above.

{
  countries {
    name
    alpha2_code
    alpha3_code
  }
}