feat: #3086655 Add composer instructions to INSTALL.txt

QUICKSTART

----------------------

This quick start solution uses PHP's built-in web server and is not

intended for production use. Read more about how to run Drupal in a production

environment below.

Prerequisites:

- PHP 8.3.0 (or greater) (https://php.net).

- Composer 2.9.3 (https://getcomposer.org/doc/00-intro.md)

In the instructions below, replace the version x.y.z with the specific version

you wish to download. Example: 8.6.0.zip. You can find the latest stable version

at https://www.drupal.org/project/drupal.

1. Run the following commands

Download and extract the Drupal package:

- curl -sS https://ftp.drupal.org/files/projects/drupal-x.y.z.zip --output drupal-x.y.z.zip

- unzip drupal-x.y.z.zip

- cd /path/to/drupal-x.y.z

- php core/scripts/drupal quick-start

- composer create-project drupal/recommended-project drupal

- cd drupal && php -d memory_limit=256M web/core/scripts/drupal quick-start standard

Wait… installation can take a minute or two. A successful installation will

result in opening the new site in your browser.

Follow the instructions in the REINSTALL section below to start over.

NOTE: This quick start solution uses PHP's built-in web server and is not

intended for production use. Read more about how to run Drupal in a production

environment below.

REQUIREMENTS AND NOTES

----------------------

    Server is a backwards-compatible replacement for MySQL.

  - PostgreSQL 16 (or greater) (http://www.postgresql.org/).

  - SQLite 3.45 (or greater) (http://www.sqlite.org/).

- Composer 2.9.3 (https://getcomposer.org/doc/00-intro.md)

For more detailed information about Drupal requirements, including a list of

PHP extensions and configurations that are required, see "System requirements"

- If you want to use Drupal's "Clean URLs" feature on an Apache web server, you

  will need the mod_rewrite module and the ability to use local .htaccess

  files. For Clean URLs support on IIS, see "Clean URLs with IIS"

  (https://www.drupal.org/node/3854) in the Drupal.org online documentation.

  files.

- If you plan to use XML-based services such as RSS aggregation, you will need

  PHP's XML extension. This extension is enabled by default on most PHP

INSTALLATION

------------

1. Get Drupal

1. Download and extract Drupal.

   You can obtain the latest Drupal release using the following composer

   command.

   You can obtain the latest Drupal release from https://www.drupal.org -- the

   files are available in .tar.gz and .zip formats and can be extracted using

   most compression tools.

   composer create-project drupal/recommended-project drupal

   To download and extract the files, on a typical Unix/Linux command line, use

   the following commands (assuming you want version x.y.z of Drupal in .tar.gz

   format):

   This will create a project in the drupal directory and automatically

   execute composer install to download the latest stable version of Drupal and

   all its dependencies.

     wget https://www.drupal.org/files/projects/drupal-x.y.z.tar.gz

     tar -zxvf drupal-x.y.z.tar.gz

   This will create a new directory drupal-x.y.z/ containing all Drupal files

   This will create a new directory "drupal" containing all Drupal files

   and directories. Then, to move the contents of that directory into a

   directory within your web server's document root or your public HTML

   directory, continue with this command:

     mv drupal-x.y.z/* drupal-x.y.z/.htaccess drupal-x.y.z/.csslintrc drupal-x.y.z/.editorconfig drupal-x.y.z/.eslintignore drupal-x.y.z/.eslintrc.json drupal-x.y.z/.gitattributes /path/to/your/installation

   You can also download the latest version of Drupal using Git on the command

   line and set up a repository by following the instructions at

   https://www.drupal.org/project/drupal/git-instructions for "Setting up

   repository for the first time".

   Once you have downloaded Drupal successfully, you may install Composer

   globally using the instructions at

   https://getcomposer.org/doc/00-intro.md#globally

   With Composer installed, run the following command from the Drupal web root:

     composer install

   mv my_site_name /path/to/your/installation

2. Create the Drupal database.

2. Create the Drupal database

   Because Drupal stores all site information in a database, the Drupal

   installer will attempt to create this database for you. If you create the

   Take note of the username, password, database name, and hostname as you

   create the database. You will enter this information during the install.

3. Run the install script.

3. Run the install script

   To run the install script, point your browser to the base URL of your

   website (e.g., http://www.example.com).

        chmod go-w sites/default/settings.php

        chmod go-w sites/default

4. Verify that the site is working.

4. Verify that the site is working

   When the install script finishes, you will be logged in with the site

   maintenance account on a "Welcome" page. If the default Drupal theme is not

   displaying properly and links on the page result in "Page Not Found" errors,

   you may be experiencing problems with clean URLs. Visit

   https://www.drupal.org/docs/8/clean-urls-in-drupal-8 to troubleshoot.

   https://www.drupal.org/docs/administering-a-drupal-site/troubleshooting-drupal/fix-drupal-clean-urls-problems

   to troubleshoot.

5. Change file system storage settings (optional).

5. Change file system storage settings (optional)

   The files directory created in step 3 is the default file system path used to

   store all uploaded files, as well as some temporary files created by

   on an existing site, remember to copy all files from the original location

   to the new location.

6. Revoke documentation file permissions (optional).

6. Revoke documentation file permissions (optional)

   Some administrators suggest making the documentation files, especially

   CHANGELOG.txt, non-readable so that the exact version of Drupal you are

   permissions and ownership" (https://www.drupal.org/node/3092168) in the

   Drupal.org online documentation.

7. Set up independent "cron" maintenance jobs.

7. Set up independent "cron" maintenance jobs

   Many Drupal modules have tasks that must be run periodically, including the

   Search module (building and updating the index used for keyword searching)

    modules/custom_module

For more information about multiple virtual hosts or the configuration

settings, consult https://www.drupal.org/docs/8/multisite

settings, consult https://www.drupal.org/docs/getting-started/multisite-drupal

For more information on configuring Drupal's file system path in a multisite

configuration, see step 6 above.

installed later.

For detailed instructions, visit

https://www.drupal.org/docs/8/multilingual

https://www.drupal.org/docs/administering-a-drupal-site/multilingual-guide