Apollo-server | "Error: Unable to use introspection, make sure it is enabled" (but introspection is set to true)

Help
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1

I’ve got Apollo Server properly serving my GraphQL API on http://localhost:4000. However, Apollo Studio is unable to properly see the underlying schema, despite introspection: true being set.

I went ahead and made a CodeSandbox (it should have everything of importance from my project): codesandbox.io/s/apollo-server-qqtsfp?file=/…

2

Is your GraphQL API accessible via a public URL and not localhost?

3

I forked your sandbox, addressed an error, and commented out a lot of code to get it up and running (anything database related since I’m not running your DB locally). The server starts now and is introspectable. If the DB connection is working on your end, then I’m not sure what the issue might be.