
Security News
Node.js Moves Toward Stable TypeScript Support with Amaro 1.0
Amaro 1.0 lays the groundwork for stable TypeScript support in Node.js, bringing official .ts loading closer to reality.
Automatic static (build-time) or runtime environment variables injection for [Next.js](https://github.com/zeit/next.js).
Automatic static (build-time) or runtime environment variables injection for Next.js.
The plugin doesn't handle loading of dotenv files. Use dotenv or dotenv-load.
npm install --save next-env dotenv-load
or
yarn add next-env dotenv-load
Your project can consume variables declared in your environment as if they were declared locally in your JS files.
By default any environment variables starting with NEXT_STATIC_
will be embedded in the js bundles on build time.
Variables starting with NEXT_PUBLIC_
are injected on runtime (using Next.js publicRuntimeConfig internally).
On node-side (SSR) all environment variables are available by default, but it is a good idea to follow the naming convention NEXT_SERVER_
.
This module exposes a function that allows to configure the plugin.
In your next.config.js
:
const nextEnv = require('next-env');
const dotenvLoad = require('dotenv-load');
dotenvLoad();
const withNextEnv = nextEnv();
module.exports = withNextEnv({
// Your Next.js config.
});
In your .env
:
NEXT_SERVER_TEST_1=ONLY_ON_SSR
NEXT_PUBLIC_TEST_1=INJECTED_BY_SSR
NEXT_STATIC_TEST_1=STATIC_TEXT
In your pages/index.js
:
export default () => (
<ul>
<li>{process.env.NEXT_SERVER_TEST_1}</li>
<li>{process.env.NEXT_PUBLIC_TEST_1}</li>
<li>{process.env.NEXT_STATIC_TEST_1}</li>
</ul>
)
In the above example the output of process.env.NEXT_SERVER_TEST_1
should only be visible until client-side rendering kicks in.
In your next.config.js
:
const nextEnv = require('next-env');
const dotenvLoad = require('dotenv-load');
dotenvLoad();
const withNextEnv = nextEnv({
staticPrefix: 'CUSTOM_STATIC_',
publicPrefix: 'CUSTOM_PUBLIC_',
});
module.exports = withNextEnv({
// Your Next.js config.
});
In your .env
:
CUSTOM_SERVER_TEST_1=ONLY_ON_SSR
CUSTOM_PUBLIC_TEST_1=INJECTED_BY_SSR
CUSTOM_STATIC_TEST_1=STATIC_TEXT
In your next.config.js
:
const withPlugins = require('next-compose-plugins');
const nextEnv = require('next-env');
const dotenvLoad = require('dotenv-load');
dotenvLoad();
const nextConfig = {
// Your Next.js config.
};
module.exports = withPlugins([
nextEnv({
staticPrefix: 'CUSTOM_STATIC_',
publicPrefix: 'CUSTOM_PUBLIC_',
}),
// another plugin with a configuration
[typescript, {
typescriptLoaderOptions: {
transpileOnly: false,
},
}],
], nextConfig);
FAQs
Automatic static (build-time) or runtime environment variables injection for [Next.js](https://github.com/zeit/next.js).
The npm package next-env receives a total of 5,815 weekly downloads. As such, next-env popularity was classified as popular.
We found that next-env demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
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