npm install -g minify-all-cli

minify-all-cli -s [source folder] -d [destination folder] [options]

Usage: -s <source> -d <destination>

Options:
      --help                Show help                                       [boolean]
      --version             Show version number                             [boolean]
  -j, --skipJS              Should minify JavaScript the file or skip it?   [boolean]
  -c, --skipCSS             Should minify CSS the file or skip it?          [boolean]
  -h, --skipHTML            Should minify HTML the file or skip it?         [boolean]
  -g, --doGzip              Should gzip the file or skip it?                [boolean]
  -x, --jsCompressor        Which JavaScript mangler/compressor to use for
                            minification? Default: uglifyjs                 [string]
  -m, --skipFileMasks       Partial Filder Path to skip minification        [array]
  -e, --skipFileExtensions  File Extensions to skip it over                 [array]
  -i, --ignoreFileMasks     Partial Filder Path to ignore minification and
                            copy to destination                             [array]
  -f, --configFile          Specifies a json configuration file for the
                            UglifyJS/terser, CSSNano and HTML Minifier 
                            module                                          [string]
  -l, --logLevel            Set log level to print warn, log, error, fatal
                            messages                                        [string]
  -p, --processCount        Specifies process count to set maximum degree
                            of parallelism                                  [number]

npx minify-all-cli \
-s "/home/ubuntu/source" -d "/home/ubuntu/compressed" \
--skipFileExtensions=.mp3 --skipFileExtensions=.mp4 \
--logLevel=warn

node . \
-s "./tests/asserts" -d "./tests/asserts_compressed" \
--skipFileExtensions=.mp3 --skipFileExtensions=.mp4 \
--logLevel=info