Adding support for poppler-utils

DOCUMENTATION/content/documentation/index.md

@@ -1999,6 +1999,41 @@ To install npm-check-updates CLI [here](https://www.npmjs.com/package/npm-check-
 
 4 - Re-build the container `docker-compose build workspace`
 
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+<a name="Install-poppler-utils"></a>
+## Install poppler-utils
+
+Poppler is a PDF rendering library based on Xpdf PDF viewer.
+
+This package contains command line utilities (based on Poppler) for getting information of PDF documents, convert them to other formats, or manipulate them:
+* pdfdetach -- lists or extracts embedded files (attachments)
+* pdffonts -- font analyzer
+* pdfimages -- image extractor
+* pdfinfo -- document information
+* pdfseparate -- page extraction tool
+* pdfsig -- verifies digital signatures
+* pdftocairo -- PDF to PNG/JPEG/PDF/PS/EPS/SVG converter using Cairo
+* pdftohtml -- PDF to HTML converter
+* pdftoppm -- PDF to PPM/PNG/JPEG image converter
+* pdftops -- PDF to PostScript (PS) converter
+* pdftotext -- text extraction
+* pdfunite -- document merging tool
+
+To install `poppler-utils` [(more here)](https://packages.debian.org/sid/poppler-utils) in any of the `workspace/php-fpm/php-worker/laravel-horizon` container
+
+1 - Open the `.env` file
+
+2 - Search for the `WORKSPACE_INSTALL_POPPLER_UTILS` argument under the Workspace Container and set it to `true`
+
+3 - Search for the `PHP_FPM_INSTALL_POPPLER_UTILS` argument under the Workspace Container and set it to `true`
+
+4 - Search for the `PHP_WORKER_INSTALL_POPPLER_UTILS` argument under the Workspace Container and set it to `true`
+
+5 - Search for the `LARAVEL_HORIZON_INSTALL_POPPLER_UTILS` argument under the Workspace Container and set it to `true`
+
+6 - Re-build the container `docker-compose build workspace php-fpm php-worker laravel-horizon`
+
+
 
 
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