I am triying to implement strapi for mult-teancy env ,but its not supporting to do ,i have 10 tenants i need to maintain all in one 1 app how can we do that

How can i assign baseurl ,acttually i tried
module.exports = ({ env }) => ({
host: env(‘HOST’, ‘0.0.0.0’),
port: env.int(‘PORT’, 1337),
url:"/api"
});
Getting 404 error