bcrypt.hash(ctx.request.body.pass, 10).then(hash => {
            var userData = {
                email: ctx.request.body.email,
                username: ctx.request.body.username,
                name: ctx.request.body.name,
                lastname: ctx.request.body.lastname,
                pass: hash,
            }
            console.log("create user...");
            console.log(userData);
            ctx.mongo.collection("users").insert(userData).then(() => {
                ctx.body = JSON.stringify({
                    success: "createdUser"
                });
            }).catch(err => {
                ctx.body = JSON.stringify({
                    error: err,
                });
            });

        }).catch(err => {
            console.log(err);
            ctx.body = JSON.stringify({
                error: err,
            });
        });