CHANGED: default port of operador in dev mode changes to have default…

… value 5432 and value

src/main/resources/application-dev.properties

@@ -3,7 +3,7 @@
 ####################################
 
 # Set connection to the desired table of DB using URL
-spring.datasource.url=jdbc:postgresql://localhost:5432/book-a-book-operador
+spring.datasource.url=jdbc:postgresql://localhost:${PGPORT:5432}/book-a-book-operador
 
 # Database credentials
 spring.datasource.username=aleixmt