webpacker config for hot reload with docker

webpacker.yml

development:
  <<: *default
  host: webpacker
  hmr: true
  compile: true

  # Reference: https://webpack.js.org/configuration/dev-server/
  dev_server:
    https: false
    host: webpacker
    port: 3035
    public: localhost:3035
    hmr: true
    # Inline should be set to true if using HMR
    inline: true
    overlay: true
    compress: true
    disable_host_check: true
    use_local_ip: false
    quiet: false
    headers:
      'Access-Control-Allow-Origin': '*'
    watch_options:
      ignored: /node_modules/

Notes from: How to config webpacker with docker for autoreload

Hello, I'm trying to configure rails and web packer with docker. Webpacker seems to compile, but the styles are not applied. Any idea? I tried to attach my files but I don't know why I can't do it :(