📰 Dev.to · Ayush Kumar

Build a hybrid search RAG implementation using LangChain and a vector store, with keyword fallback, and learn architecture, tuning, and production les

Learn how to build an ai agent python langchain, hook it into FastAPI, add memory and tool use, then deploy it with scaling and cost awareness.

Find the right python message queue library for production. Compare Celery, RQ, Dramatiq, Kombu, and see a simple asyncio-Redis example monitoring tip

A hands-on kafka python tutorial that walks you through setting up a local broker with Docker, wiring kafka-python, producing and async consuming, and

Learn step-by-step how to build an AI agent for stock analysis, from data sources to backtesting and automated FastAPI deployment, in production.

Learn rag evaluation using ragas in Python: install, run metrics on a sample pipeline, interpret scores, and automate checks in CI/CD for production.

Explore the top AI agents python library choices, install LangChain, CrewAI, and LlamaIndex, compare performance, and learn how to embed an agent in F

I compare event driven architecture vs microservices, outline trade-offs, give Python code, and explain when each pattern is the right fit for product

Learn how to run an AI agent in Python with Ollama, from local installation to FastAPI integration, testing, and production scaling, using code exampl

Build microservices python fastapi from design to production, covering REST/gRPC choices, RabbitMQ/Kafka queues, Docker/K8s deployment, testing and se

Why FastAPI apps slow down over time: how session leaks and blocking code cause high latency while CPU stays low, and how to fix it for good.

Learn to install the OpenAI Agents SDK for Python, build agents that use tools, manage memory, add custom functions, and scale with FastAPI or serverl

Set up a Firebase account for FCM push notifications step by step: project creation, credentials, and the settings you need before sending messages.

Learn how to containerize your Python API with Docker and deploy it to Google Cloud Run (Serverless). A step-by-step guide for production-ready deploy

Learn step‑by‑step fastapi deployment on render with Docker, environment config, GitHub Actions CI/CD, scaling strategies, and monitoring tricks.

Learn step‑by‑step fastapi deployment on railway with Docker, Uvicorn workers, PostgreSQL, migrations, and GitHub Actions CI/CD in a practical guide.

Learn how to use FastAPI background tasks for email, file processing, and more. Compare built‑in BackgroundTasks with Celery, see testing tips, and ge

Learn how to detect and fix FastAPI session leaks. A deep dive into SQLAlchemy connection pooling, long-running sessions, and production monitoring.

Seeing QueuePool errors or rising DB latency in FastAPI? Learn how to detect session leaks and fix long-running SQLAlchemy sessions in production.

Learn how to design, evaluate, and scale a production-grade RAG pipeline architecture with FastAPI, LangChain, and hybrid vector stores.

Automate your deployment. A step-by-step tutorial on building a continuous delivery pipeline for Dockerized apps on Google Cloud Run using GitHub Acti

Learn effective RAG chunking strategies, choose optimal chunk sizes, and evaluate chunk quality with Python tools like LangChain, LlamaIndex, and RAGA

FastAPI apps often fail in production due to silent database connection leaks. Learn why QueuePool errors happen and how to fix them correctly.

Learn how to build, secure, and scale fastapi websockets, covering basic endpoints, lifecycle handling, auth, broadcasting, and Redis-backed scaling.