feat: add app files

files/inception/srcs/wordpress/Dockerfile

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+FROM    debian:bullseye
+
+RUN     apt update -y && apt upgrade -y
+RUN     apt install curl wget php-cli php-mysql php-curl php-gd php-intl php-fpm -y
+
+RUN     wget https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar \
+            && mv wp-cli.phar /usr/bin/wp \
+            && chmod +x /usr/bin/wp
+RUN     mkdir -p /var/www/wordpress
+
+ADD         ./conf/wordpress.conf /wordpress.conf
+ADD         ./entrypoint.sh /entrypoint.sh
+RUN         chmod +x /entrypoint.sh
+EXPOSE      9000
+ENTRYPOINT  /entrypoint.sh

files/inception/srcs/wordpress/conf/wordpress.conf

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+[www]
+
+user = www-data
+group = www-data
+
+listen = 9000
+
+listen.owner = www-data
+listen.group = www-data
+
+pm = dynamic
+
+pm.max_children = 5
+
+pm.start_servers = 2
+
+pm.min_spare_servers = 1
+
+pm.max_spare_servers = 3

files/inception/srcs/wordpress/entrypoint.sh

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+#!/bin/bash
+
+function gen_wpconfig()
+{
+    echo "<?php define( 'DB_NAME', 'wp_db' );" >> wp-config.php
+    echo "define( 'DB_USER', '$DB_USER' );" >> wp-config.php
+    echo "define( 'DB_PASSWORD', '$DB_PWD' );" >> wp-config.php
+    echo "define( 'DB_HOST', 'mariadb' );" >> wp-config.php
+    echo "define( 'DB_CHARSET', 'utf8' );" >> wp-config.php
+    echo "define( 'DB_COLLATE', '' );" >> wp-config.php
+    echo "define( 'WP_DEBUG', false );" >> wp-config.php
+    echo '$table_prefix = '"'wp_'"';' >> wp-config.php
+    curl https://api.wordpress.org/secret-key/1.1/salt/ >> wp-config.php
+    echo "if ( ! defined( 'ABSPATH' ) ) { define( 'ABSPATH', __DIR__ . '/' ); }" >> wp-config.php
+    echo "require_once ABSPATH . 'wp-settings.php';" >> wp-config.php
+}
+
+cd /var/www/wordpress
+wp core download --allow-root
+if [ ! -f wp-config.php ]; then
+    gen_wpconfig
+fi
+wp core install --url="https://rralambo.42.fr" \
+                --title="Le Noctambule Co." \
+                --admin_email=$WP_ADMIN_EMAIL \
+                --admin_user=$WP_ADMIN \
+                --admin_password=$WP_ADMIN_PWD \
+                --allow-root
+wp user create $WP_USER $WP_EMAIL --user_pass=$WP_PWD --role=author --allow-root
+
+echo '[Starting PHP-FPM]'
+php-fpm7.4 -F -y /wordpress.conf