It looks like you're using more than just the default exampleComponent component, or at least loading them.
I'd remove everything from app.js that you aren't actually using until you get the exampleComponent working (vue-select, vue-inputmask, vue-jsdatepicker) and rerun npm run dev
EDIT: ah, you done it the other way around. You've renamed the component within the app.js to example, meaning you can reference it within you template using <example></example>. Try changing the component file to:
Unfortunatelly, I've already tried that and still getting the same error :(
Vue-select, etc. - I am using them in other places (like directly in blade), but I want to refine my code and use vue the proper way with components. But I can get the exampleComponent to work and I think that I'm missing some step or something I forgot to add.
Also I am getting this error in docker:
vue-loader was used without the corresponding plugin. Make sure to include VueLoaderPlugin in your webpack config
That is why I asked if I need to add something in webpack.
My webpack now is: