Deployment: 500 internal server error from show-route/

[minju25kim]

Local host render fine/well website for showing route page.

But Vercel deployment has 500 internal server error for showing route page.

route data|: archway to east acton

[joe-dev-public]

We'll need to completely rethink how we manage database connections, pools, etc., similar to what this article discusses (they're using a v similar stack): https://jaygould.co.uk/2022-04-06-too-many-connections-for-role-error-postgres-serverless-vercel%20copy/

We might also need to think about timeouts etc. so that one/a few simultaneously users don't just crash the app (but it'll potentially run quite slow for them).

A bunch of digging in our connections.js and node-postgres docs required! (https://node-postgres.com/api/pool etc)