Category: Architecture
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3 Ways To Store Passwords Securely
In the following article, I describe 3 ways to store passwords securely. I describe how to store passwords managed by users, by API and by systems.
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Feature Flags: Deploy Unstable Features
In this article I describe the features flags. I explain when I use them and how I use them in different situations. I explain the needed maintenance and the final clean up.
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How Not To Create An Application
In this article I explain how not to create an application. I describe a real use case where I worked some years ago. Where we build a big application with a lot of complexity. But no clients and no profits.
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Workflow of the Forget Password Strategy
In this article I explain the workflow of the password recovery strategy. I explain how to link the new password with the user, and how to generate a secure link that can only be used once.
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Complexity vs Urgency
In this article I explain how to identify and prioritize the tasks depending on their complexity and urgency. I explain the not complex and not urgent tasks, the complex but not urgent tasks, the not complex but urgent tasks and the complex and urgent tasks.
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4 Performance Optimization Techniques for Your Application
In this article, I show 4 performance techniques to optimize the response time of an endpoint. 4 steps which goes from the most simple to the most complex as: memoization, pagination, denormalization and cache.
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How I Solved 20 Vulnerabilities in Less Than An Hour
In this article I describe the steps I’ve followed to solve more than 20 vulnerabilities of a project in less than an hour. I show all the steps to follow from finding the problem to deploying the solution to the production environment.
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5 Architecture Styles To Build a Big Application
Each application must follow a clear architecture design. The 5 main architecture styles are the Layered Architecture, the Service Oriented Architecture, the Pipeline Architecture, the Event Driven Architecture, and the Microservices Architecture.
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Trade-offs in Pursuit of High-Performance Application
In this article I will describe 4 trade-offs I use to pursuit the high-performance of an application. Increasing the memory consumption, duplicate data in the database, add additional servers, and add additional services.
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How to Calculate the Servers Sizes for my Microservices
In this article I show how to calculate the size of a microservices cluster. Taking into account the CPU and memory capacity for the servers and for the services of my cluster.
The Dev World - Sergio Lema 