allow unix socket connection for database in prod

backend/src/main/java/ovh/herisson/Clyde/JdbcConfig.java

@@ -29,7 +29,7 @@ public class JdbcConfig {
 	public DataSource psqlSourceProd(){
 		DriverManagerDataSource source = new DriverManagerDataSource();
 		source.setDriverClassName("org.postgresql.Driver");
-		source.setUrl("jdbc:postgresql://localhost:5432/clyde");
+		source.setUrl("jdbc:postgresql:clyde");
 		source.setUsername("clyde");
 
 		return source;