Deploy application using --Prod and path strategy

Question

I’m trying to deploy angular application 8

When I use the command

ng build --prod --base-href /app/

When I try to run the application on localhost/app

The app does not load

On the console you have this message:

http://localhost/app/main-es2015.de53c17ebee928a1e2c9.js net::ERR_ABORTED 404 (Not Found)

But when I deploy it without the --prod it runs the application, however, if I refresh the page, the server cannot find the page

I can only update the page if I deploy using the Hash strategy

providers: [
    //{provide: LocationStrategy, useClass: HashLocationStrategy} //adicionar um # a url
  ]

[Edit]

I’m using Apache server 2.4

My file . htaccess inside the app folder (localhost/app) looks like this:

RewriteEngine On
# If an existing asset or directory is requested go to it as it is
RewriteCond %{DOCUMENT_ROOT}%{REQUEST_URI} -f [OR]
RewriteCond %{DOCUMENT_ROOT}%{REQUEST_URI} -d
RewriteRule ^ - [L]

# If the requested resource doesn't exist, use index.html
RewriteRule ^ /index.html

As documented