The easiest way to migrate is the installer:
mix igniter.install volt
It automatically removes esbuild and tailwind deps and replaces them with Volt configuration.
Manual Migration
1. Replace Dependencies
Remove from mix.exs:
{:esbuild, "~> 0.8"},
{:tailwind, "~> 0.2"}Add:
{:volt, "~> 0.9"}2. Replace Config
Remove config :esbuild and config :tailwind blocks from config/config.exs.
Add Volt config (see Getting Started).
3. Replace Endpoint Plug
Remove the esbuild/tailwind watchers from config/dev.exs and add the Volt dev server plug to your endpoint.
4. Replace Build Aliases
Update assets.build and assets.deploy in mix.exs:
"assets.build": ["volt.build --tailwind"],
"assets.deploy": ["volt.build --tailwind", "phx.digest"]5. Remove Binaries
Delete any cached esbuild/tailwind binaries:
rm -rf _build/esbuild* _build/tailwind*