changed jdbc uri to use postgres instead of localhost for communicating with psql container

commul-customization/local.properties.dist

@@ -59,7 +59,7 @@ lr.database.port = 5432
 
 # Connection URL of the database. Make sure you are using the correct port and if you are connecting to remote server,
 # verify that the port is accessible. Do not change the ${lr.database}, the database name will be substituted from above property.
-db.url = jdbc:postgresql://localhost:${lr.database.port}/${lr.database}
+db.url = jdbc:postgresql://postgres:${lr.database.port}/${lr.database}
 
 # The database driver you are using. Make sure that the required jars are available.
 db.driver = org.postgresql.Driver
@@ -79,7 +79,7 @@ db.poolname = dspacepool
 lr.utilities.database = XXX-UTILS-DATABASE
 
 # Connection URL for the Utilities database.
-lr.utilities.db.url = jdbc:postgresql://localhost:${lr.database.port}/${lr.utilities.database}
+lr.utilities.db.url = jdbc:postgresql://postgres:${lr.database.port}/${lr.utilities.database}
 
 # Functionality Manager facade for Utilities API
 lr.utilities.functionalityManager.class = cz.cuni.mff.ufal.lindat.utilities.HibernateFunctionalityManager