MERN multitenancy

features

multi-layered architecture: app > router > controller > service
back-end uses TypeScript
tenant resolved by subdomain
MongoDB, collection per tenant (e.g. postfix _t1 for tenant 1, subdomain1)
JWT authentication
CORS, whitelist of domains
hashing password with salt & pepper
usedId and tenantId is bound to Request object

front-end is based on React, uses JavaScript
- basic login / sign up functionality
- demo functionality
- redirects to login page after session expires
- Redux store keeps user data
  - holds user and tenant data after login
  - redirects to homepage when user is provided
  - redirects to login when user is not found

guide

add to hosts:

127.0.0.1       mtexpress
127.0.0.1       subdomain1.mtexpress
127.0.0.1       subdomain2.mtexpress

run back-end and front-end apps using npm start or yarn start

front-end

http://subdomain1.mtexpress:4000
http://subdomain2.mtexpress:4000

records that you create are only available for current tenant (subdomain)