connect to db with each request

server.cpp

@@ -16,16 +16,20 @@ void exiting(){
 	delete stmt;
 }
 
+void connect(){
+	con = driver->connect(getenv("DBURL"),getenv("DBUSER"),getenv("DBPWD"));
+	con->setSchema("practice");
+	stmt = con->createStatement();
+}
+
 int main()
 {
 	crow::App<crow::CORSHandler> app;
 
 	driver = get_driver_instance();
-	con = driver->connect(getenv("DBURL"),getenv("DBUSER"),getenv("DBPWD"));
-	con->setSchema("practice");
-	stmt = con->createStatement();
 
 	CROW_ROUTE(app, "/categories")([](){
+		connect();
 		crow::json::wvalue entries;
 
 		ResultSet *res = stmt->executeQuery("SELECT practice_categories.id, practice_categories.name AS category, instruments.name AS instrument FROM practice_categories JOIN instruments ON practice_categories.instrument_id = instruments.id ORDER BY instruments.name ASC, category ASC");
@@ -44,6 +48,7 @@ int main()
 	});
 
 	CROW_ROUTE(app, "/summary")([](){
+		connect();
 		crow::json::wvalue entries;
 
 		ResultSet *res = stmt->executeQuery("SELECT * FROM summary ORDER BY chunks_practiced ASC;");
@@ -64,6 +69,7 @@ int main()
 	});
 
 	CROW_ROUTE(app, "/mins-left-to-practice-today")([](){
+		connect();
 		crow::json::wvalue entries;
 
 		ResultSet *res = stmt->executeQuery("SELECT * FROM mins_left_to_practice_today;");