vercel dev
Learn how to replicate the Vercel deployment environment locally and test your Vercel Project before deploying using the vercel dev CLI command.The vercel dev
command is used to replicate the Vercel deployment environment locally, allowing you to test your Serverless Functions, Edge Functions, and Edge Middleware without requiring you to deploy each time a change is made.
If the Development Command is configured in your Project Settings, it will affect the behavior of vercel dev
for everyone on that team.
Before running vercel dev
, make sure to install your
dependencies by running npm install
.
If you're using a framework and your framework's Development Command already provides all the features you need, we do not recommend using vercel dev
.
For example, Next.js's Development Command (next dev
) provides native support for Functions, redirects, rewrites, headers and more.
vercel dev
These are options that only apply to the vercel dev
command.
The --listen
option, shorthand -l
, can be used to specify which port vercel dev
runs on.
vercel dev --listen 5005
The --yes
option can be used to skip questions you are asked when setting up a new Vercel Project.
The questions will be answered with the default scope and current directory for the Vercel Project name and location.
vercel dev --yes
The following global options can be passed when using the vercel dev
command:
For more information on global options and their usage, refer to the options section.
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