Merge pull request #56178 from yahonda/add-postgresql-init-arch

Add PostgreSQL service setup for Arch Linux

Author: yahonda

guides/source/development_dependencies_install.md

@@ -131,7 +131,8 @@ To install all run:
 ```bash
 $ sudo pacman -S sqlite mariadb libmariadbclient mariadb-clients postgresql postgresql-libs redis memcached imagemagick ffmpeg mupdf mupdf-tools poppler yarn libxml2 libvips
 $ sudo mariadb-install-db --user=mysql --basedir=/usr --datadir=/var/lib/mysql
-$ sudo systemctl start redis mariadb memcached
+$ sudo -u postgres initdb -D /var/lib/postgres/data
+$ sudo systemctl start redis mariadb memcached postgresql
 ```
 
 NOTE: If you are running Arch Linux, MySQL isn't supported anymore so you will need to