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This tutorial shows different built-in Properties that can be used inside application.properties.
Custom
messages.hello1 : Hello1 from Controller
messages.hello2 = Hello2 from Controller
Tomcat
# PORT
server.port = 8085
Profiles
# PROFILES
spring.profiles.active = Profile1
Hibernate
# JPA / HIBERNATE
spring.jpa.hibernate.ddl-auto = create-drop
spring.jpa.show-sql = true
Databases
# H2 DATABASE
spring.h2.console.enabled = true
spring.datasource.url = jdbc:h2:mem:testdb
# MYSQL DATABASE
spring.datasource.url = jdbc:mysql://localhost:3306/world?serverTimezone=UTC
spring.datasource.username = root
spring.datasource.password = admin
spring.jpa.database-platform = org.hibernate.dialect.MySQL5Dialect
spring.datasource.driver-class-name = com.mysql.jdbc.Driver
# POSTGRESQL DATABASE
spring.datasource.url = jdbc:postgresql://localhost:5432/postgres
spring.datasource.username = postgres
spring.datasource.password = letmein
spring.datasource.driver-class-name = org.postgresql.Driver
# MONGODB DATABASE
spring.data.mongodb.url = mongodb://localhost:27017
spring.data.mongodb.uri = mongodb://localhost:27017/mydatabase
spring.data.mongodb.uri = mongodb://myuser:mypassword@localhost:27017/mydatabase