Need help with Local Setup

SMTP mailer problem
Error: An instance of EnvironmentVariables has failed the validation
property APP_SECRET has failed the following constraints: isString
property APP_SECRET has failed the following constraints: isString

How to take a DB backup?
Workspace schema not found
Disable sign up not working
Install docker-zapier into a Twenty docker instance
packages/twenty-zapier
directory.
Can you confirm please that this is the only existing method, even for a zapier docker instance ? Because I guess I would need to do it again when my docker container get killed....Environment Variable get transformed incorrectly in some cases within the docker compose file.

What environments variables do i need to have multiple login accounts?
Creating unique id's for entries?
ERROR [ExceptionHandler] connect ECONNREFUSED 127.0.0.1:6379
[Nest] 1 - 10/30/2024, 1:49:55 AM LOG [InstanceLoader] ServerlessModule dependencies initialized +0ms...
Exposing localhost:3000 leads to white page, but works in machine
connect ECONNREFUSED 127.0.0.1:6379
twenty and traefik
Cannot see "Workflows" and "Functions" functionality in my workspace (a single paid cloud user)
I’m setting up a self-hosted 20 CRM on AWS but facing some issues accessing it with a custom domain.