OIDC issuer behind a proxy cannot be accessed

[gautierrog]

Hello,

Self hosting grist with docker here. I have an OIDC issuer which can only be accessed through a proxy.

I pass the following environment variables on my container:

• HTTP_PROXY
• HTTPS_PROXY
• http_proxy
• https_proxy
• NO_PROXY
• no_proxy

However, issuer is still unreachable:

RPError: outgoing request timed out after 3500ms
    at /grist/node_modules/openid-client/lib/helpers/request.js:137:13
    at async Issuer.discover (/grist/node_modules/openid-client/lib/issuer.js:171:22)
    at async OIDCConfig.initOIDC (/grist/_build/app/server/lib/OIDCConfig.js:100:24)
    at async Object.getMiddleware (/grist/_build/app/server/lib/OIDCConfig.js:229:13)
    at async FlexServer.loadConfig (/grist/_build/app/server/lib/FlexServer.js:1093:33)
    at async main (/grist/_build/app/server/mergedServerMain.js:83:5)
    at async main (/grist/_build/stubs/app/server/server.js:144:20)

I did not find any documentation telling how to setup a proxy for grist server. What would be the solution ?