grunt-autoprefixer | Parse CSS and add vendor | Content Management System library

My package.json file looks like this:

I have a HTML block like this for minify css and js files:

I already setup the project environment, and install grunt succeed. In terminal I tried run grunt that showing this for me:

Then I follow the step.

1. grunt build --env uat (this step running succeed)
2. grunt watch --env uat (this step got problem and I post here)
3. grunt test (this step showing error for me: Fatal error: Unit testing is not implemented yet)

This project include: angularJS, jade, coffeescript, I already setup all environment, but still don't know how to run this project.

This is strange. Using this tutorial: https://ntdln.com/2017/07/25/using-javascript-modules/ I tried to do get the modules thing in JS. I run npm istall grunt-browserify --save-dev along with the other packages. My package.json file is

I'm not a pro with grunt but i have an angular js template that i want to use for my application i'm trying to make the browser open automaticaly when grunt is launched and reload page when html, js and css files are modified i added watch and livereload but it wont work is there something wrong in my code

Here is my gruntfile.js

I have a mean stack application which i am building under docker container. But it is throwing some error while performing npm install which is not critical. I want to ignore all thosse errors.

This is what i am trying:-

This is my first day with grunt and I'm trying to make it work using these tutorials

https://24ways.org/2013/grunt-is-not-weird-and-hard/

https://css-tricks.com/autoprefixer/

And my Gruntfile.js is this:

I'm setting a grunt file for a task. My goal is to create a css file from a sass file (scss) and add an autoprefix to all the proprieties which require so. Initially I used the propriety multifiles but it didn't work, so now I'm using the target propriety that works fine, but my problem is, even if I target the very same file, it will create another file in my folder where I put all my sass files.

So far my file is the following:

I have already installed "npm" on my local machine. In my Gruntfile.js directory, i'm installing grunt in this way:

1. npm install grunt
2. npm install -g grunt-cli
3. grunt watch

The tasker is running, but i got these warnings:

Here's my gruntfile.js file