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feat: support for multiple additional hosts via env #19746

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feat: support for multiple additional hosts via env #19746

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fcbc25b
feat(env): allow multiple additional hosts and trim http(s)
ari-party Mar 29, 2025
ebccaf8
docs: update wording to support multiple additional hosts via env
ari-party Mar 29, 2025
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2 changes: 1 addition & 1 deletion docs/config/server-options.md
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Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,7 @@ Setting `server.allowedHosts` to `true` allows any website to send requests to y
:::

::: details Configure via environment variable
You can set the environment variable `__VITE_ADDITIONAL_SERVER_ALLOWED_HOSTS` to add an additional allowed host.
You can use the environment variable `__VITE_ADDITIONAL_SERVER_ALLOWED_HOSTS` to add one or multiple additional allowed hosts, seperated by comma.
:::

## server.port
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6 changes: 4 additions & 2 deletions packages/vite/src/node/server/index.ts
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Expand Up @@ -1166,8 +1166,10 @@ export function resolveServerOptions(
process.env.__VITE_ADDITIONAL_SERVER_ALLOWED_HOSTS &&
Array.isArray(server.allowedHosts)
) {
const additionalHost = process.env.__VITE_ADDITIONAL_SERVER_ALLOWED_HOSTS
server.allowedHosts = [...server.allowedHosts, additionalHost]
const additionalHosts = process.env.__VITE_ADDITIONAL_SERVER_ALLOWED_HOSTS
.split(',')
.map((i) => i.replace(/^https?:\/\//, ''))
server.allowedHosts = [...server.allowedHosts, ...additionalHosts]
}

return server
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