Direct requests for /app/links and /app/users return "Cannot GET /app/..."

[MaffooClock]

Disclaimers

• Before filing this report, I have read the documentation fully and followed it.
• I understand that if the "issue" is something that is already answered by the documentation and/or are caused by me not reading the documentation, the issue will be blocked and/or locked (with the implicit explanation being to "go read the docs"), and I may not be able to open another issue for this repository ever again.

Issue Description

Describe the bug
When making direct requests for /app/links or /app/users, (usually by refreshing the browser window), the browser receives this response: Cannot GET /app/links or Cannot GET /app/users, respectively.

Deployment Method
Production:

• AWS ECS Fargate (behind Application Load Balancer) + AWS RDS (PostgreSQL 16.3) + AWS ElastiCache (Redis 6.2.6)

Local testing:

• Docker container from deploy/docker-compose/docker-compose.yml

To Reproduce

1. Visit
   a. http://localhost:3000/app/links
   b. or http://localhost:3000/app/users
2. Or refresh the page while viewing one of those pages
3. See error message as described above

Expected behavior
Visit http://localhost:3000/app/links should display the links index; visiting http://localhost:3000/app/users should display the users index

Screenshots
N/A

Additional context
I think we get it by now 😉