DevCodeLight 
Tiempo de lectura: < 1 minutoWe will learn today how to add a whitelist rule to allow our server to access Cloudflare when other rules block bots. You put a secret User-Agent in your code and Cloudflare allows it: python headers = { “User-Agent”: “TUAPP/1.0 secret123”, … } Like this, we already have a signature that we can read in … Read more
Tiempo de lectura: < 1 minutoYou often receive aggressive bot analysis on your websites. Today we are going to learn how to add rules in CloudFlare so that not many of them enter. This expression blocks: Basically: kills 90% of basic bot scraping / vuln scanners Paso 1: Enter Cloudflare Go to https://dash.cloudflare.com Select your domain Paso 2: Go to … Read more
![Disabling Email Obfuscation in Cloudflare for a URL [example@domain].com](https://i0.wp.com/images.pexels.com/photos/32444034/pexels-photo-32444034.jpeg?w=1200&ssl=1)
Tiempo de lectura: < 1 minutoIf you’ve collided with the CloudFlare rule that reviews the emails returned by HTML and replaces them with [email-protected], you can disable it like this. In your Cloudflare dashboard: Scrape Shield → Email Address Obfuscation → Off This disables it for the entire domain. You can also disable it for a specific endpoint: Create a … Read more
Tiempo de lectura: < 1 minutoToday we are going to learn how to generate events for purchase tests with Stripe using the Ubuntu console. The first thing we will do is install Stripe in our console: curl -s https://packages.stripe.dev/api/security/keypair/stripe-cli-gpg/public | gpg –dearmor | sudo tee /usr/share/keyrings/stripe.gpg > /dev/null echo “deb [signed-by=/usr/share/keyrings/stripe.gpg] https://packages.stripe.dev/stripe-cli-debian-local stable main” | sudo tee -a /etc/apt/sources.list.d/stripe.list Update … Read more
Tiempo de lectura: 2 minutosWe are going to install OpenClaw on a Raspberry Pi 4 and use it as a bot controlled by Telegram today. First on the Pi, update the system and install the basic dependencies. sudo apt update && sudo apt upgrade -y sudo apt install -y git curl build-essential sudo timedatectl set-timezone Europe/Madrid Install Node.js 24. … Read more
Tiempo de lectura: < 1 minutoWe can implement Rate Limit for our calls using slowapi, which is the equivalent of Flask-Limiter but for FastAPI: bash pip install slowapi python # main.py from slowapi import Limiter, _rate_limit_exceeded_handler from slowapi.util import get_remote_address from slowapi.errors import RateLimitExceeded limiter = Limiter(key_func=get_remote_address) app.state.limiter = limiter app.add_exception_handler(RateLimitExceeded, _rate_limit_exceeded_handler) python # app/routers/users.py from slowapi import Limiter from … Read more
Tiempo de lectura: 2 minutosStack: FastAPI · Docker Compose · fastapi-cache2 · Redis 7 No caching, each request goes to the database even if the data has not changed. With Redis, the first call checks the DB and stores the result. The subsequent requests return Redis directly, without touching the DB. Scenario No Redis With Redis GET /books (First … Read more
Tiempo de lectura: 2 minutosThese 4 optimizations improve performance, concurrency and response speed of a FastAPI API in production with Docker. Gunicorn acts as a process manager above Uvicorn. Launches multiple workers (independent processes) to allow the API to handle several requests in parallel, not sequentially. Main Impact: Improved concurrency under load. With 4 workers, you can handle 4 … Read more
Tiempo de lectura: 2 minutosJSON (JavaScript Object Notation) is a lightweight data exchange format widely used in APIs, storage, and communication between systems. Its simplicity makes it very powerful, but it’s essential to know the types of data it supports to avoid errors. JSON defines six main data types: Represents text and should always be between double quotes. { … Read more
Tiempo de lectura: < 1 minutoWe will learn today how we can use opencode with our Ollama directly on local. The API is exposed by default in: http://localhost:11434 Check it out: curl http://localhost:11434/api/tags You don’t have it? You need to install Ollama For Windows: irm https://ollama.com/install.ps1 | iex For Windows: curl -fsSL https://ollama.com/install.ps1 | iex We download a model, in … Read more
