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Web Development
Vercel Blog·Nov 17·5 min read
Vercel now supports Build Commands for FastAPI and Flask
TL;DR
Developers faced challenges deploying FastAPI and Flask applications on Vercel due to a lack of support for build commands. Vercel has now introduced Build Commands specifically for these frameworks, allowing for smoother deployment processes.
✦ Why It Matters
Engineers can now automate the deployment of FastAPI and Flask applications on Vercel, enhancing productivity.
Key Takeaways
- Define custom Build Commands in Vercel for Python projects.
- Use pyproject.toml to specify build scripts for deployment.
- Ensure build scripts run after dependencies are installed.
- Leverage Vercel's infrastructure for efficient application hosting.
Full Summary
Vercel has expanded its platform to support Python web frameworks FastAPI and Flask, allowing developers to deploy these applications more efficiently. Users can define custom Build Commands directly in the project Settings dashboard or within the pyproject.toml file under the [tool.vercel.scripts] section.
This build script executes after all dependencies are installed but before the application is deployed, ensuring a smooth setup process. For example, a simple build command could be defined as 'build = "python build.py"'.
This enhancement not only simplifies deployment but also broadens the range of Python projects that can be hosted on Vercel. As a result, developers can leverage Vercel's infrastructure to manage their Python applications more effectively.