Caddyfile

{
    {$CADDY_TLS_MODE}
    auto_https disable_redirects
}
:9000 {
    metrics /metrics
}
  
:8000 {
    {$CADDY_TLS_CERT}
    log
    @app_match {
        path /apps/chrome*
    }
    handle @app_match {
        uri strip_prefix /apps/chrome
        file_server * {
            root /opt/app-root/src/build/stable
            index opt/app-root/src/build/stable/index.html
            browse
        }
    }
    
    @beta_match {
        path /beta/apps/chrome*
    }
    handle @beta_match {
        uri strip_prefix /beta/apps/chrome
        file_server * {
            root /opt/app-root/src/build/preview
            index opt/app-root/src/build/preview/index.html
            browse
        }
    }

    @preview_match {
        path /preview/apps/chrome*
    }
    handle @preview_match {
        uri strip_prefix /preview/apps/chrome
        file_server * {
            root /opt/app-root/src/build/preview
            index opt/app-root/src/build/preview/index.html
            browse
        }
    }

    @config_match {
        path /config*
    }
    handle @config_match {
        uri strip_prefix /config
        uri strip_prefix /beta/config
        uri strip_prefix /preview/config
        file_server * {
            root /opt/app-root/src/build 
            index opt/app-root/src/build/index.html
            browse
        }
    }

    handle /preview* {
        root * /opt/app-root/src/build/preview
        file_server
        try_files {path} {path}/ /index.html
    }
    handle /beta* {
        root * /opt/app-root/src/build/beta
        file_server
        try_files {path} {path}/ /index.html
    }
    handle * {
        root * /opt/app-root/src/build/stable
        file_server
        try_files {path} {path}/ /index.html
    }
}