application.properties

# Changing the port for the GraphQL server
server.port = 8180

# The line below is useless if you use the default path (/graphql). It's here only for information
spring.graphql.websocket.path=/graphql

# The 'spring.graphql.websocket.path' property activates web socket on the given path (which is mandatory for subscriptions)
# For Spring MVC, you'll also have to add the 'spring-boot-starter-websocket' dependency to the project
spring.graphql.websocket.path=/graphql

# Allowing the H2 Console (the jdbc URL to use in the console is jdbc:h2:mem:testdb)
spring.h2.console.enabled=true

# Prevents the SQL schema to be automatically created. With this parameter set to false, it's up to the project to build the tables, indexes...
# (see the src/main/resource/schema.sql which does this job, in this sample) 
spring.jpa.generate-ddl=false
spring.jpa.hibernate.ddl-auto=none

# Necessary to avoid the hibernate "could not initialize proxy - no Session" error
spring.jpa.properties.hibernate.enable_lazy_load_no_trans=true

# To generate hibernate query execution logs
#spring.jpa.show-sql=true
#spring.jpa.properties.hibernate.format_sql=true