Updated application.properties

src/main/resources/application.properties

@@ -1,6 +1,4 @@
 spring.datasource.url=${DATABASE_URL}
-spring.datasource.username=${DATABASE_USERNAME}
-spring.datasource.password= ${DATABASE_PASSWORD}
 spring.datasource.driver-class-name=org.postgresql.Driver
 spring.jpa.show-sql=true
 spring.sql.init.mode=always
@@ -11,7 +9,6 @@ logging.level.org.springframework.security=DEBUG
 server.error.include-message=always
 spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect
 spring.datasource.max-active=3
-admin.password=${JWT_SECRET}