To deploy a FastAPI application, package it with a Dockerfile, push the code to GitHub, and connect the repository to a container platform like Back4app — the platform builds the image and serves your API on a production URL. This guide walks through the whole process; the table below compares the main deployment options.
| Option | Type | Free tier | Best for |
|---|---|---|---|
| Back4app Containers | CaaS (Docker) | Yes | Deploy from GitHub with full runtime control |
| Render | PaaS | Yes | Git-based deploys without a Dockerfile |
| AWS / GCP / Azure | IaaS | Credits/12-month tiers | Teams already invested in a big cloud |
| Self-hosted VPS | IaaS | No | Full control, manual server management |
While hosting providers are plenty, just a few offer a Common Gateway Interface (CGI) or the mod_wsgi module to support Python hosting. But among the developers that took the 2023 Stack Overflow Developer Survey, containerization with Docker takes the lead for application development and deployment.
For Python applications developed using a framework like FastAPI, deployment via a Container-as-a-Service (CaaS) is as straightforward as pushing your code to GitHub. In this blog, you’ll learn to dockerize your FastAPI application and deploy it via a CaaS.
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