In this Python FastAPI tutorial, we'll be learning how to use Jinja2 templates to create an HTML frontend for our API. Templates allow us to serve proper HTML pages to users while keeping our JSON endpoints intact for the backend API. We'll cover setting up Jinja2Templates, passing data to templates, using Jinja2 syntax for loops and conditionals, implementing template inheritance with a layout file, adding Bootstrap for styling, and configuring static files for CSS and images. By the end of this video, we'll have a nicely styled blog homepage that displays our posts. Let's get started...

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#Python #FastAPI

Corey Schafer

FastAPI supports HTML templating through Jinja2, allowing you to serve web pages alongside JSON API endpoints. Set up a templates directory, configure Jinja2Templates, and use template responses with context dictionaries to pass data. Jinja2 syntax includes for loops ({% for %}), conditionals ({% if %}), and variable display ({{ }}). Template inheritance with a base layout.html eliminates code duplication across pages. Mount a static files directory to serve CSS, JavaScript, and images. Use url_for() to generate URLs dynamically for routes and static assets. This approach maintains separation between human-facing HTML pages and machine-readable API endpoints while sharing the same backend data.

Python FastAPI Tutorial (Part 2): HTML Frontend for Your API - Jinja2 Templates