Learn how to develop efficient and simplified applications using GraphQL

This project builds a Travel agency web application with Spring Boot, GraphQL, Angular and RDBMS. It helps clients to manage operations related to flight bookings for trips. It also compares the REST implementation of the CRUD operations with that of GraphQL.

Project structure

Folder	Description
graphql-app	Spring boot application (back end)
graphql-ui	Angular application (front end)

Local environment

Build the application

In order to build the application you need to have the following software installed:

• open JDK or oracle JDK >= 8
• npm

Connect to H2

• Driver Class: org.h2.Driver
• JDBC URL: jdbc:h2:mem:TRAVEL_AGENCY;TRACE_LEVEL_SYSTEM_OUT=1;MODE=ORACLE;DB_CLOSE_DELAY=11;
• User Name: admin
• Password:

After clicking on the 'Connect' button, you should be able to execute SQL queries on the database.

Start the application

Start the back end:

$ mvn clean install
$ mvn spring-boot:run

Start the front end:

$ ng serve

Once the application starts, you can access it using the following links :

Name	Link
UI	http://localhost:4200
GraphQL Playground	http://localhost:8083/playground
H2 console	http://localhost:8083/h2-console