Docker Compose and Networking for Microservices (Auth Service + MongoDB Atlas)Docker Compose is an essential tool in modern backend workflows. After containerizing a single service, the natural next step is learning how to orchestrate multiple services together. This article walks through setting up the FinFlow Authentication ...Dec 9, 2025 · 3 min readfinflow.hashnode.dev
Docker Fundamentals and Containerizing the FinFlow Auth ServiceThis document is part of the FinFlow microservices learning path. The goal for Day 6 is to understand Docker fundamentals and successfully containerize the Authentication Service. By the end of this session, you will have a working Dockerized backend...Dec 7, 2025 · 5 min readfinflow.hashnode.dev
AWS Fundamentals and Deploying the Auth Service on RenderToday’s objective was to strengthen my understanding of core AWS infrastructure concepts while deploying the authentication microservice in a real production environment using Render. This approach combines foundational cloud knowledge with practical...Dec 6, 2025 · 3 min readfinflow.hashnode.dev
Implementing RBAC and Permission MiddlewareToday’s focus was on authorization security. After building authentication with JWT and refresh tokens, the next step was controlling what each user is allowed to access. This is where RBAC (Role-Based Access Control) and middleware come in. By the e...Dec 5, 2025 · 3 min readfinflow.hashnode.dev
Understanding JWT & Refresh Tokens for Authentication SystemToday I focused on understanding and implementing a complete authentication system using JWT, refresh tokens, secure token rotation, and bcrypt password hashing. By the end of the day, I completed a production-level authentication module commonly use...Dec 4, 2025 · 3 min readfinflow.hashnode.dev