Authentication | Ecosyste.ms: Awesome

https://github.com/stfsy/go-api-key

Simple, extensible API key generator for Go, supporting custom random ID generators and token hashers.

api authentication go

Last synced: 02 Sep 2025

https://github.com/moeen-mahmud/tour-fanatic-client-side

Solo tour booking website built with MERN Stack

authentication expressjs firebase heroku mongodb nodejs reactjs tailwind-css

Last synced: 09 Apr 2026

https://github.com/meerantajalli/blog_ruby_rails

Blog Ruby on Rails 📝🚀 is a full-stack blog application leveraging Ruby on Rails with a structured Model-View-Controller (MVC) architecture. It efficiently handles user authentication, blog post management, and comments, providing a seamless and dynamic blogging experience.

authentication backend blog mvc ruby ruby-on-rails webapp

Last synced: 18 Apr 2026

https://github.com/754446/study18

Study18 is a project management tool focused on facilitating collaborative study efforts. It offers features like task assignment, progress tracking, and document sharing to enhance group learning experiences.

aead authentication checksums ciphers crc32 digest-authentication elliptic-curve-cryptography encryption-decryption hmac java message-authentication-code private-keys secure-classes signatures

Last synced: 31 Mar 2025

https://github.com/jjshay/handwriting-analysis

Forensic signature and handwriting analysis with statistical comparison

ai analysis authentication computer-vision forensics handwriting machine-learning opencv python signature-verification statistics

Last synced: 17 Jan 2026

https://github.com/ecphp/laravel-ecas

A bundle for Laravel, providing authentication against eCas, the Central Authentication Service server of European Commission.

authentication cas ecas single-sign-on

Last synced: 26 Jan 2026

https://github.com/scalekit-inc/skills

Portable auth skills for your agents — powered by Scalekit. SSO, SCIM, MCP Auth, agent auth, tool-calling for Claude Code, Cursor, Windsurf.

agent-auth agent-skills authentication claude-code cursor mcp scalekit sso tool-calling windsurf

Last synced: 04 Apr 2026

https://github.com/couragecowardlydog/ionic-google-auth

Ionic 3 native Google plus plugin Implementation

andorid angular authentication google-api google-api-client-library googleplus googleplus-profile ionic ionic-android ionic-apps ionic-auth ionic-cordova ionic-framework ionic-ios ionic-native ionic-plugin ionic2 ionic2-examples ios oauth2

Last synced: 18 Apr 2026

https://github.com/wlad1slav/friendly-registration-form

Visually friendly and interactive blog registration form.

authentication blog forms friendly minimalist registration-forms scss

Last synced: 30 Aug 2025

https://github.com/adityaks-lts/simplenote

Simplenote is a lightweight, free note-taking app that emphasizes simplicity, responsive , and cross-platform syncing.

authentication authorization chakra expressjs mongoose nodejs react router-dom

Last synced: 09 Apr 2026

https://github.com/bytrangle/gatsby-netlify-identity

A demo for setting up authentication using Netlify Identity in a static site built with Gatsby

authentication gatsby gatsbyjs netlify-identity static-site-generator

Last synced: 19 May 2026

https://github.com/watertreestar/tidy-defender

:lock: To protect your web application based on Spring MVC

authentication authorization java protection

Last synced: 07 Jul 2025

https://github.com/dogsghost/angular-firebase-auth-template

start an angular project with firebase email authentication already setup

angular authentication firebase

Last synced: 07 May 2026

https://github.com/ujjawal-mandhani/Location-tracking

Location Tracking app using React Native

android authentication expo firebase forget-password ios javascript latitude login longitude lottie-animations react-native react-native-maps share-location signup yarn

Last synced: 12 Mar 2025

https://github.com/mariachibear/nam

Template for a Nest.js REST API with user authentication with MongoDB

authentication hacktoberfest javascript mongodb nestjs rest-api typescript user

Last synced: 13 Apr 2026

https://github.com/bezkoder/angular-16-jwt-auth

Angular 16 JWT Authentication example - Token Based Authentication & Role Based Authorization example with HttpOnly Cookie and Rest API

angular angular-16 angular16 auth authentication authorization httponly-cookie json-web-token jsonwebtoken jwt jwt-auth jwt-authentication jwt-authorization jwt-token jwt-tokens role-based-authorization token-auth token-authetication token-authorization token-based-authentication

Last synced: 12 Dec 2025

https://github.com/yyemaen321/secure-next-express-template

Full-stack template with Next.js frontend and Express backend. Easily set up and run with TypeScript and Tailwind CSS. 🚀🌐

authentication bcrypt boilerplate discord-bot discord-bot-template discord-js express fullstack javascript monorepo nextjs nodejs project rest-api security starter-kit tamplate typescript

Last synced: 11 Apr 2026

https://github.com/abdelhamid2c/projects-php

Build PHP projects: gallery, auth, URL shortener, & to-do app

authentication mysql php sql todo-app url-shortener

Last synced: 29 Apr 2026

https://github.com/trandung2k1/express_mongodb

authentication caching expressjs jsonwebtoken mongodb-atlas nodejs redis typescript

Last synced: 11 Apr 2026

https://github.com/zigzaggekata200019/roblox-synapse

Roblox Synapse Executor is a top-tier script execution tool for Roblox, valued for its advanced features and stability, enabling seamless Lua scripting for game modifications and customization.

authentication bloxfruit-script bloxfruits-autofarm-script executer exploit game gui hack lua nexus-roblox roblox roblox-lua roblox-scriptbloxfruits-autofarm-script roblox-synapse script-hub supported whitelist

Last synced: 16 Apr 2025

https://github.com/valentinzoia/nest-rodri

🐱This project is a backend application built with NestJS that implements a role-based authentication and authorization system using JWT. It demonstrates how to design and structure a real-world backend with clean architecture principles, leveraging TypeORM for database management and migrations.

authentication authorization backend-development database-migrations jwt-authentication nestjs nodejs postgresql role-based-access-control task-management typeorm typescript

Last synced: 08 May 2026

https://github.com/swastikiiit/task-tracker

A modern task management and time tracking application built with Next.js, featuring AI-powered text suggestions, real-time timers, and comprehensive task organization. Create, edit, and track tasks with intelligent duration monitoring and daily productivity summaries.

authentication backend cookie hooks jwt nextjs react restapi tailwindcss zustand

Last synced: 15 Oct 2025

https://github.com/openlabun/AuthenticationServerFrontend

authentication developer-tools javascript

Last synced: 21 Mar 2026

https://github.com/bozok/fastapi-backend-template

🚀 Production-ready FastAPI backend template with async support, PostgreSQL, Redis, comprehensive testing, Docker setup, and modern development practices

api async async-await authentication backend boilerplate docker docker-compose fastapi jwt postgresql pre-commit production-ready pytest python redis rest-api ruff sqlmodel template

Last synced: 10 Apr 2026

https://github.com/prostobest35643/roblox-synapse

Roblox Synapse Executor is a top-tier script execution tool for Roblox, valued for its advanced features and stability, enabling seamless Lua scripting for game modifications and customization.

authentication bloxfruit-script bloxfruits-autofarm-script executer exploit game gui hack lua roblox roblox-lua roblox-synapse

Last synced: 26 Aug 2025

https://github.com/opticsquid/hangout-auth-api

Authentication & Authorization Service for Hangout

authentication authorization jwt spring-security

Last synced: 15 Mar 2025

https://github.com/irenaeus-xvi/news-feed-app

News Feed App is a web application for consuming and exploring news posts. It's built using Node.js, Express, and MongoDB

authentication authorization bcrypt cloudinary dotenv expressjs global-error-handling joi jsonwebtoken mongodb mongoose morgan multer nanoid nodejs nodemailer slugify

Last synced: 11 Apr 2026

https://github.com/festivals-app/festivals-identity-server

Exposing the FestivalsIdentityAPI providing authorization and authentication functions to the FestivalsApp project.

authentication authorization golang jwt mysql

Last synced: 14 Jan 2026

https://github.com/YagoLopesMartins/Desafio_Tecnico_Backend_Laravel_lientech_irede

api-rest authentication composer laravel mysql

Last synced: 05 Oct 2025

https://github.com/jwill9999/laravel_crud

A laravel PHP CRUD application.

artisan authentication authorization crud eloquent-models laravel login-system php php-framework sql

Last synced: 13 May 2026

https://github.com/triepod-ai/authentication-boilerplate

An enterprise-pattern authentication system for Flask + React with JWT, RBAC, session management, and audit logging. Implements production-grade security patterns used in financial services environments.

authentication boilerplate flask javascript jwt jwt-authentication python rbac react

Last synced: 05 Oct 2025

https://github.com/farischt/auth-ts

Authentication system based on Sequelize and NextJs (Typescript version and upgrade)

api-rest authentication nextjs postgresql react tailwindcss token typescript

Last synced: 11 Apr 2026

https://github.com/d-vale/loginRegister-optin

Program with a simple interface built using Bootstrap in HTML, allowing us to implement an authentication system with email address verification. This application uses MailHog to simulate the sending of verification emails and SQLite to store data locally.

authentication email-sender email-verification mailhog php sqlite

Last synced: 06 Oct 2025

https://github.com/fadhil-riyanto/noauth-laravel

Static auth library without database for Laravel 11.x, good for single user App

auth authentication laravel without-db

Last synced: 23 Mar 2025

https://github.com/nikulinalexey/express-mesto-gha

Бекенд проекта Mesto с авторизацией и регистрацией. Проект обучения(Яндекс Практикум).

authentication authorization celebrate expressjs joi-validation jwt mongodb mongoose mongoose-schema nodejs rest-api

Last synced: 11 Apr 2026

https://github.com/masum184e/login_reg_auth_reactjs

React js application that implements a simple authentication system with registration and login ,change password functionalities

authentication authentication-frontend change-passwor change-password-with-old-password login react react-authentication react-router-dom react-router-dom-v6 react-validation reactjs reactjs-authentication registration

Last synced: 31 Mar 2025

https://github.com/samverneck/estudo-de-autenticacao

angular2 authentication etc jwt

Last synced: 17 May 2026

https://github.com/arislooi/login-app

A React application for user authentication and navigation. Perfect for learning React Router, Bootstrap, and useLocalStorage.

authentication bootstrap javascript react react-router uselocalstorage webdevelopment

Last synced: 13 Apr 2026

https://github.com/aabbtree77/auth-starter-frontend

Frontend for a complete session-based user authentication, with styled forms. Vite, React, TypeScript.

authentication authorization bun daisyui frontend localhost protected-routes react react-hook-form session session-cookie styling zod-validation

Last synced: 29 Apr 2026

https://github.com/ydits/ydits-accounts

YDITS accounts website

authentication firebase javascript website ydits yone

Last synced: 27 May 2026

https://github.com/vijaykarasala99/doctorregister-forgot-resetpwd-functionality

Doctor API , to register, login, forgot, reset password functionalities and to implement reset password email,otp stored in HTTPSession , another functionality is when doctor login then it will redirects to doctor's dashboard

authentication feign-client microservices mysql postman restful-webservices spring-boot

Last synced: 13 Apr 2026

https://github.com/jackhedaya/simple-auth-server

A boilerplate for a Node.js Express and MongoDB server with authentication

authentication expressjs middleware mongodb mongoose nodejs server

Last synced: 02 Apr 2026

https://github.com/divyansh089/supply-chain-management

authentication blockchain ethereum hardhat holesky javascript next postcss security smart-contracts solidity supply-chain-management tailwind-css

Last synced: 11 Apr 2026

https://github.com/ryand1234/intractive-auth

An Interactive Authentication method to register itself on a platform.

authentication

Last synced: 09 Nov 2025

https://github.com/zlhshn/recipe_app

Page access in the project was made using firebase authentication. In the project, which is a multi-page web application, recipes can be searched, filtered and their details can be viewed.

authentication context-api firebase material-ui pagination react-router

Last synced: 17 Apr 2026

https://github.com/giljr/keycloak-omniauth

Configure OmniAuth for Keycloak in a Rails app.

authentication authorization-code-grant docker keycloak middleware oidc oidc-client oidc-provider omniauth working-apps

Last synced: 06 Oct 2025

https://github.com/erenworld/googleauth

OAuth, Node.js and MongoDB Authentication Boilerplate

authentication googleauth mongodb nodejs

Last synced: 14 Apr 2026

https://github.com/maia14/auth

A base of auth. Developed in Express, MongoDB, Node.js, React and SCSS.

authentication bcrypt hooks mongodb nodejs-server react scss

Last synced: 16 Apr 2026

https://github.com/siser-pratap/authence

Open-source Auth0/Clerk alternative

auth auth0 authentication clerk cognito email-password firebase-auth javascript keycloak login magic-link nextjs oauth password react session-management shadcn signin social-login supabase-auth

Last synced: 11 Apr 2026

https://github.com/klovercloud-ci-cd/security

Authentication and Authorization service for klovercloud-ci-cd

authentication authorization jwt klovercloud klovercloud-ci-cd oauth2

Last synced: 07 Oct 2025

https://github.com/mahmudmridul/authentication

aspnet-web-api authentication dotnet identity react redux-toolkit sql sqlserver

Last synced: 16 Apr 2026

https://github.com/dudoxx/dudoxx-convex-frontend

Secure Next.js 15 application with server-side authentication for self-hosted Convex backends

authentication convex docker nextjs react security self-hosted server-side-rendering tailwindcss typescript

Last synced: 11 Apr 2026

https://github.com/shokmaster/ember-simple-auth-loopback-3

An authenticator and authorizer for Ember Simple Auth compatible with Loopback 3

auth authentication ember ember-addon ember-simple-auth loopback session-management

Last synced: 14 Feb 2026

https://github.com/shahzaibalijamro/nodejs-course

💻 Practice code for "NodeJS - The Complete Guide (MVC, REST APIs, GraphQL, Deno)" by Maximilian Schwarzmüller on Udemy. Covers Node.js fundamentals, Express, REST APIs, MVC architecture, GraphQL, Deno & more.

authentication authorization deno express-js graphql mongodb mvc-pattern nodejs rest-api sql websocket

Last synced: 11 Apr 2026

https://github.com/librity/ignite_accounts

Rocket Seat - Ignite - NodeJS - Challenge 4 - A user accounts API made with NodeJS and Express.

authentication challenge express nodejs rocketseat-ignite

Last synced: 11 Apr 2026

https://github.com/ak4m410x01/todo_api

Created a Django Rest Framework API with PostgreSQL for seamless user registration and secure authentication. Allows task creation with Docker deployment, enabling users to mark tasks as complete.

api auth authentication authorization backend-api django django-rest-framework docker docker-compose json permissions postgresql postman python3 rest-api restful-api todo token yml

Last synced: 18 Feb 2026

https://github.com/pedroestevaodev/spotify-clone

This is a full-featured Spotify clone built with a modern full-stack tech stack. It provides a complete music streaming experience with music upload, user authentication, playlist management, and subscription payments via Stripe.

authentication full-stack music-streaming nextjs postgresql react spotify spotify-clone stripe supabase supabase-auth tailwindcss typescript

Last synced: 19 Jun 2026

https://github.com/fawno/ntlmauthenticator

NTLM Authenticator for CakePHP 4 Authentication plugin

authentication authenticator cakephp cakephp-plugin cakephp4 ntlm ntlm-authentication

Last synced: 01 Mar 2026

https://github.com/zaikoxander/video-react-github-oauth

https://youtu.be/e2EKSJkXkqQ

authentication github next-auth nextjs oauth react typescript

Last synced: 16 Apr 2026

https://github.com/pushpendra-1697/tummoc

This application for token-based authentication, O-auth, event loop concept with FS Module and use of aggregation & populate pipeline.

authentication axios bson-format bsondump express-js hooks html-css-javascript mongodb mongoosejs nodejs react-components react-redux react-router-dom reactjs redux-thunk relationships rest-api token-authetication

Last synced: 11 Apr 2026

https://github.com/vanbui1995/youtube-share-app

Its just a small application that allow the user can see the shared youtube videos

authentication firebase react simple tailwind vitest

Last synced: 11 Apr 2026

https://github.com/romnn/go-service

Utilities for building gRPC and HTTP services in Go

authentication golang grpc http microservice protobuf reflection

Last synced: 14 Apr 2026

https://github.com/m-ah07/Personal-Finance-Manager

Personal Finance Manager: A full-stack application to manage and track personal income, expenses, and budgets, featuring React, Node.js, MongoDB, and JWT-based authentication. Includes optional Docker support for easy deployment.

authentication docker express finance full-stack manager mongodb nodejs personal-finance react

Last synced: 02 Oct 2025

https://github.com/fjerbi/nextjs-secure-auth

A ready to use Nextjs auth project, styled with Tailwind Css

authentication csrf mongodb nextjs react tailwindcss

Last synced: 11 Apr 2026

https://github.com/dosarudaniel/detnetauth

Implementation for DetNetAuth paper

authentication dpdk hmac-sha256 integrity-checker

Last synced: 17 Apr 2026

https://github.com/coenttb/swift-identities-mailgun

A Swift package integrating Mailgun with swift-identities.

authentication email identities identity mailgun swift

Last synced: 22 Jan 2026

https://github.com/yashbhayani/ecommerce-add-to-cart

Angular

add-to-cart angular authentication ecommerce-website json json-api json-server

Last synced: 11 Apr 2026

https://github.com/telman03/nest-auth-with-email-verification

This repository likely provides a template or starting point for building secure and efficient authentication systems using the Nest.js framework.

authentication http-only-cookies nestjs-backend prisma

Last synced: 10 Mar 2026

https://github.com/anbumani12/nodejs-day-5-task-backend

Nodejs Password Reset Flow task backend

authentication authorization expressjs jwt-authentication mongoose nodejs

Last synced: 14 Apr 2026

https://github.com/aaronksaunders/react-router-v7-auth-app-1

This project demonstrates a basic authentication system using React Router v7, showcasing its new features and file-based routing system.

authentication react-router-v7 remix-auth remix-run

Last synced: 15 Mar 2025

https://github.com/kisan-engg/bun-fullstack

bun/node decoupled full stack: Notes manager

app application authentication authrization backend better-auth bun decoupled drizzle elysia example frontend fullstack learning node postgresql svelte tailwind tutorial web

Last synced: 14 Apr 2026

https://github.com/sabriyenohutlu/e-commerce-redux

https://e-commerceredux.netlify.app/

api authentication firebase-authentication hook react redux redux-toolkit router-dom scss

Last synced: 14 Apr 2026

https://github.com/hypersign-protocol/hs-wordpress-plugin

Plugin for wordpress to integrate passwordless login

authentication hypersign identity wordpress wordpress-development wordpress-plugin

Last synced: 19 Apr 2026

https://github.com/hoseinrezaeem/authentication-doc

Basic , Session , Token , SSO , OAuth Authentication

authentication authorization

Last synced: 05 Jan 2026

https://github.com/imrandil/chat_app_react_native

chat app react native using firebase

authentication firebase raect-native react

Last synced: 10 May 2026

https://github.com/traylinx/traylinx-auth-client-py

Enterprise-grade Python authentication client for Traylinx Sentinel API with full A2A Protocol support

a2a agent-communication agent2agent authentication fastapi jwt microservices oauth2 python sdk sentinel traylinx

Last synced: 22 Jan 2026

https://github.com/limit-zero/ember-modlr-auth

A library for implementing authentication/authorization via modlr in Ember.js applications.

addon authentication ember ember-addon modlr

Last synced: 15 May 2026

https://github.com/ismail-mohammed-atef/shopmanagementsystem

Shop System To Automate And Track Your Orders And Money Flows

ajax api authentication authorization csharp css design-patterns html js mvc razor-pages solid-principles

Last synced: 11 Apr 2026

https://github.com/jzo001/forge.security.jwt.service

Jwt Token based authentication / authorization service implementation

authentication authorization jwt jwt-authentication jwt-authorization jwt-bearer-tokens jwt-decode jwt-server jwt-token sso sso-authentication sso-login sso-server sso-solution

Last synced: 14 Oct 2025

https://github.com/thefeij/simple-bank

simple bank back-end

authentication ci docker golang gorm grpc jwt-token makefile paseto-tokens postgres protobuf unit-testing zerolog

Last synced: 11 Apr 2026

https://github.com/jjcosgrove/php-gaoauth2

A simple PHP OAuth2 helper class for use with the Google Analytics API

authentication google oauth2 php

Last synced: 30 Jun 2025

https://github.com/danielzlatanov/ng-chess-opening-explorer

Explore and learn various chess openings

angular angular-material angularfire authentication firebase firebase-authentication ngx-chess-board open-source realtime-database rxjs typescript user-authentication vercel

Last synced: 09 Apr 2026

https://github.com/wanghui5801/monitor-nextjs

Server monitor based on Next.js and Python API

api-engineering authentication flask nextjs server-monitor

Last synced: 13 Apr 2026

https://github.com/metitmato/facebook-checker-api

This Python tool is a powerful Facebook account verification tool used to check Facebook profiles and save checked accounts to .txt file.

api-integration authentication checker checker-account checker-api checker-bot checker-service checkers facebook facebook-api facebook-api-integration facebook-authentication facebook-checker facebook-mass-checker fast-proxy privacy-concerns security social-media web-scraper

Last synced: 15 May 2025

https://github.com/metitmato/facebook-checker-apiv3

This Python application is used to verify the status of Facebook accounts, determining whether they are alive, in checkpoint or dead.

api-integration authentication checker checker-account checker-api checker-bot checker-service checkers facebook facebook-api facebook-api-integration facebook-authentication facebook-checker facebook-mass-checker fast-proxy privacy-concerns security social-media web-scraper

Last synced: 15 May 2025

https://github.com/sandeepkv93/node-user-auth-starterkit

A complete toolkit for developers aiming to swiftly implement a user authentication system using Node.js, React.js, MongoDB, and Mongoose. It offers secure, efficient login solutions, integrates best practices, and demonstrates the synergy of Node.js for robust server-client setups. Perfect for building secure user interfaces with ease. 🚀🔑💻

authentication authorization expressjs jwt-authentication middlewares mongodb nodejs routing

Last synced: 14 Apr 2026

https://github.com/darioalbor/challenge-gys

Challenge carried out for the position of team leader for the company Gys S.A.

authentication chartjs dashboard nextjs nodejs scss typescript

Last synced: 11 Apr 2026

https://github.com/babarvishal/blogging

Features of Your Blogging App User Authentication: Signup and Signin: Users can create an account by signing up or log into an existing account. This process ensures that only registered users can access certain features of the app. Blog Creation: Authenticated Blog Creation: Once signed in, users can create their own blogs.

authentication authorization bootstrap css ejs-template-engine express html mongodb nodejs

Last synced: 02 Apr 2026

https://github.com/devseeder/auth

Auth

authentication bearer-authentication jwt mongodb nestjs nodejs oauth2 typescript

Last synced: 15 Oct 2025

https://github.com/sahidul-11/bloodbank

The motive of the website is donating blood on serious injured & ill persons...Making blood-bond among the human being

authentication daisyui firebase htlm5 jacascript react react-router stripe tailwindcss

Last synced: 11 Apr 2026

https://github.com/subhamsarangi/rest-boilerplate-drf

An Advanced REST API in Django framework

authentication c celery crud django django-rest-framework jwt migration orm python rest-api sockets sql

Last synced: 13 Jun 2026

https://github.com/pushpendra-1697/product-directory

Introducing our Product Directory - a user-friendly platform for seamless product discovery. Find what you need effortlessly with detailed listings and intuitive search features.

authentication authorization chakra-ui html-css-javascript jsx-syntax product-page react-components reactjs redux responsive-web-design simple-web-app

Last synced: 14 Apr 2026

https://github.com/farooq85-dev/todo-app-decent-ui-and-features

Todo-app-using-JavaScript. I have developed this Todo app via pure JavaScript. I have gained a lot of experience during this project.

authentication decentui pwaapp todoapp ui

Last synced: 06 Mar 2025

https://github.com/techsolutionstuff/laravel-rest-api-crud-tutorial

In this tutorial we will learn about laravel REST API CRUD opeation. REST means Representational State Transfer and API means Application Programming Interface while CRUD means Create, Read, Update and Delete.

authentication crud crud-operation example laravel laravel7 passport php postman rest-api restful-api tutorial

Last synced: 02 Mar 2026

https://github.com/alireza-jafari-tech/project-managment-app-asp.net-core-razor-pages

ASP.NET Core 8 Razor Pages application for project and task management with dual roles (Manager/Member), EF Core data persistence, invite-code project enrollment, role-based CRUD operations, and dynamic dashboard filtering

aspnet-core authentication csharp css database-design dotnet entity-framework-core html javascript js management-system productivity-tool project-management razor-pages sql-server task-management team-collaboration web-application

Last synced: 09 Apr 2026

https://github.com/c2p2-ps546/dwitin-backend-cloud-computing

A backend project for transaction management, including user authentication, transaction CRUD operations, and image upload support using Google Cloud Storage.

api authentication backend express google-cloud-storage mysql nodejs transaction-management