Blog – Mahesh Profile

Summary of 12 important architecture patterns used in real-world large systems.

by Mahesh BasnetUncategorized March 13, 2026March 13, 2026No Comments

1.Monolithic Architecture All components exist in one single application. Example structure: Used by Pros ✔ Simple to develop✔ Easy to deploy Cons ❌ Hard to scale large systems 2. Microservices Architecture Application split into small independent services. Example: Used by Benefits ✔ Independent scaling✔ Independent deployment 3. Event-Driven Architecture Systems communicate using events instead of …

Installing alembic in FastAPI ; Creating user Model and its migration files with the help of alembic

by Mahesh BasnetDatabase, FastAPI, postgres, Python December 8, 2025No Comments

Using Alembic with SQLAlchemy (which is often used under the hood, even with ORMs like SQLModel) is the standard approach for migrations. Here is a step-by-step guide to installing Alembic, configuring it, defining a User model, and creating your first migration. 1. Project Setup & Installation First, ensure you have a basic FastAPI project structure …

Poetry- Dependency Management Tool

by Mahesh BasnetFastAPI, Linux, Python December 6, 2025December 6, 2025No Comments

Poetry is a comprehensive dependency management and packaging tool for python projects. It aims to simplify the entire workflow of managing project dependencies, creating virtual environments, and packaging for distribution. Key features and functionalitites of Poetry: Dependency Management: Poetry allows users to declare project dependencies within a pyproject.toml file. It then manages the installation, updating, …

When you want to change the length of Foreign Key. Error #1832

by Mahesh BasnetUncategorized November 30, 2024No Comments

I tried to change the foreign key of product_category_id which was presented in products_products table. The following step help you to change the length of foreign key. Before moving to step, you have to focus on error. When we tried to change the length it provides the error. This error message contains of constraint name …

Git Conventional Commits

by Mahesh BasnetGit November 24, 2024November 24, 2024No Comments

As being a developer, we commit our work and push to github. Initially, we overlook the way how we enter the commit. Now, I am writing this blog so you can understand how it should be written. It is essential because in collaborating projects it maintain the status of project with readability and understandability of …

Read more “Git Conventional Commits”

How to deploy FastAPI to cpanel?

by Mahesh BasnetFastAPI, Python June 3, 20242 Comments

Whilst deploying FastAPI in cpanel, I had to go through many blog, stackflow and other site and had to read their content. None of them gave me a valid solution but gave some idea how can it be worked.Well, at the last, I found the solution. The solution I am going to elucidate to you …

Linux File Permissions: Understanding setuid, setgid, and the Sticky Bit

by adminCommand, Linux April 25, 2024April 25, 2024No Comments

Before delving into this topic, the understanding of chmod and chown are compulsory here because these are the base for this topic. So, first understand chmod and chown command and read about these command. Let’s move with a basic introduction about these command. After reading this basic introductory you have roughly understand what these command …

chown Command

by adminCommand, Linux April 24, 2024April 25, 2024No Comments

chown is an abbreviation for “change owner”, which is pretty self-explanatory. It change the ownership of file. You may have notice in chmod command that it change the read, write and execute permission not the ownership of file. So, to change the ownership of file we will use the chown command. Later on, we will …

How to export and import database in PostgreSQL through command line?

by adminDatabase, postgres April 9, 2024April 9, 2024No Comments

Export a PostgreSQL Database with pg_dump Command To export a database through command line. PostgreSQL has provided command-line utility to effectively backup your important information which is pg_dump and a pg_dumpall. The pg_dump is a command-line tool that allows you to dump the content of a specified database into a single file. The pg_dump command provides several options that …