LemmyNet/lemmy-ui
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Documenting and changing a few env vars. Fixes #661 (#739)

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16
README.md
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@ -3,3 +3,19 @@
The official web app for [Lemmy](https://github.com/LemmyNet/lemmy), written in inferno.
Based off of MrFoxPro's [inferno-isomorphic-template](https://github.com/MrFoxPro/inferno-isomorphic-template).
## Configuration
The following environment variables can be used to configure lemmy-ui:
`ENV_VAR` | type | default | description
--- | --- | --- | ---
`LEMMY_UI_HOST` | `string` | `0.0.0.0:1234` | The IP / port that the lemmy-ui isomorphic node server is hosted at.
`LEMMY_UI_LEMMY_INTERNAL_HOST` | `string` | `0.0.0.0:8536` | The internal IP / port that lemmy is hosted at. Often `lemmy:8536` if using docker.
`LEMMY_UI_LEMMY_EXTERNAL_HOST` | `string` | `0.0.0.0:8536` | The external IP / port that lemmy is hosted at. Often `DOMAIN.TLD`.
`LEMMY_UI_LEMMY_WS_HOST` | `string` | `0.0.0.0:8536` | An alternate location for lemmy's websocket address. Not usually necessary.
`LEMMY_UI_HTTPS` | `bool` | `false` | Whether to use https.
`LEMMY_UI_EXTRA_THEMES_FOLDER` | `string` | `./extra_themes` | A location for additional lemmy css themes.
`LEMMY_UI_DEBUG` | `bool` | `false` | Loads the [Eruda](https://github.com/liriliri/eruda) debugging utility.
`LEMMY_UI_DISABLE_CSP` | `bool` | `false` | Disables CSP security headers
`LEMMY_UI_CUSTOM_HTML_HEADER` | `string` | | Injects a custom script into `<head>`.

2
src/server/index.tsx
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@ -189,7 +189,7 @@ server.get("/*", async (req, res) => {
const symbols = renderToString(SYMBOLS);
const helmet = Helmet.renderStatic();
const config: ILemmyConfig = { wsHost: process.env.LEMMY_WS_HOST };
const config: ILemmyConfig = { wsHost: process.env.LEMMY_UI_LEMMY_WS_HOST };
res.send(`
<!DOCTYPE html>

8
src/shared/env.ts
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@ -3,7 +3,7 @@ import { isBrowser } from "./utils";
const testHost = "0.0.0.0:8536";
let internalHost =
(!isBrowser() && process.env.LEMMY_INTERNAL_HOST) || testHost; // used for local dev
(!isBrowser() && process.env.LEMMY_UI_LEMMY_INTERNAL_HOST) || testHost; // used for local dev
export let externalHost: string;
let host: string;
let wsHost: string;
@ -27,10 +27,10 @@ if (isBrowser()) {
secure = window.location.protocol == "https:" ? "s" : "";
} else {
// server-side
externalHost = process.env.LEMMY_EXTERNAL_HOST || testHost;
externalHost = process.env.LEMMY_UI_LEMMY_EXTERNAL_HOST || testHost;
host = internalHost;
wsHost = process.env.LEMMY_WS_HOST || externalHost;
secure = process.env.LEMMY_HTTPS == "true" ? "s" : "";
wsHost = process.env.LEMMY_UI_LEMMY_WS_HOST || externalHost;
secure = process.env.LEMMY_UI_HTTPS == "true" ? "s" : "";
}
export const httpBaseInternal = `http://${host}`; // Don't use secure here