• SpringBoot
• Docker
• PostgreSQL
• Lombok
• Mapstruct
• Spring Data JPA
• H2 in-memory DB
• Mockito
• MockMvc
• Swagger

1. How to run this application
2. How to access the spring boot restful application
3. PostgreSQL version based Tic Tac Toe Application
4. Advantages of this application

• Create a new game
• List all games
• Find a game via id
• Find a game via game name
• Perform a move in a game & determine the status of a game & return the winner if there is one

• Navigate the the root folder /tictactoe under the command line
• run the command to build the whole project: gradle clean build
• run the command to start the application: java -jar ./build/libs/tictactoe-0.0.1-SNAPSHOT.jar

http://localhost:8080/swagger-ui.html

• Navigate the the root folder /tictactoe under the command line
• rename application.properties to another name e.g. application_backup.properties
• rename application-postgresql.properties to application.properties
• run the command to docker-compose up
• run the command to build the whole project: gradle clean build
• when the above step is done, run the command java -jar ./build/libs/tictactoe-0.0.1-SNAPSHOT.jar

• Integrated with swagger doc which easily provides with the RESTful API UI and can be easily shared with other developers to use use API
• Hibernate builds the entity layer to connect PostgreSQL database server
• Spring Data JPA builds the repository layer (DAO) & H2 in-mem database used as Unit Test to test this layer
• Mapstruct used to map data between entities and dtos
• All the exceptions can be centrally handled in one place (ControllerExceptionHandler.java)
• Lombok makes our life easierIt automatically generates getter,setter, constructor, hashcode, log etc.