Use sg CLI tool to configure and start local development server. For more information check out the sg documentation.

Our local development server runs by starting both a Caddy HTTPS server and a Node HTTP server. We then can reverse proxy requests to the Node server to serve client assets under HTTPS.

Environment variables important for the web server:

1. WEB_BUILDER_SERVE_INDEX should be set to true to enable serving of an index page.
2. SOURCEGRAPH_API_URL is used as a proxied API url. By default it points to the https://k8s.sgdev.org.

It's possible to overwrite these variables by creating sg.config.overwrite.yaml in the root folder and adjusting the env section of the relevant command.

sg start web-standalone

To use a public API that doesn't require authentication for most of the functionality:

SOURCEGRAPH_API_URL=https://sourcegraph.com sg start web-standalone

sg start web-standalone-prod

Web app should be available at https://${SOURCEGRAPH_HTTPS_DOMAIN}:${SOURCEGRAPH_HTTPS_PORT}. Build artifacts will be served from <rootRepoPath>/client/web/dist.

Note: If you are unable to use the above commands (e.g. you can't install Caddy), you can use sg run web-standalone-http instead. This will start a development server using only Node, and will be available at http://localhost:${SOURCEGRAPH_HTTP_PORT}.

In both environments, server proxies API requests to SOURCEGRAPH_API_URL provided as the .env variable.