Fix Laravel 9 build fails for PHP 8.2

Problem:
The image fails to build stating that the base image does not exist.

Cause:
Laravel9.x is extending Laravel8.x, which is no longer built with PHP
8.2 as it does not support it.

Fix:
Extend Composer instead of Laravel8.x.

Author: Chekote

laravel9.x.docker

@@ -4,7 +4,7 @@
 # chekote/laravel9.x:php${PHP_MAJOR_VERSION}.${PHP_MINOR_VERSION}.${PHP_PATCH_VERSION}
 # chekote/laravel9.x:php${PHP_MAJOR_VERSION}.${PHP_MINOR_VERSION}.${PHP_PATCH_VERSION}-$(date '+%Y-%m-%d-%H-%M-%S')
 ARG PHP_VERSION=8.0
-FROM chekote/laravel8.x:php${PHP_VERSION}
+FROM chekote/composer:php${PHP_VERSION}
 
 ENV SUPPORTED_LARAVEL_VERSION '9.x'
 ENV MIN_PHP_VERSION '8.0'
@@ -16,11 +16,17 @@ RUN set -eu; \
     apt-get update; \
     apt-get install -y --no-install-recommends \
         #
-        # Laravel requirements (beyond base image).
+        # Laravel requirements
         # See https://laravel.com/docs/9.x/deployment#server-requirements
         # See https://github.com/laravel/laravel/blob/9.x/composer.json
+        php${PHP_VERSION}-ctype \
         php${PHP_VERSION}-curl \
         php${PHP_VERSION}-dom; \
+        php${PHP_VERSION}-mbstring \
+        # php${PHP_VERSION}-openssl \ (already included)
+        php${PHP_VERSION}-pdo \
+        php${PHP_VERSION}-tokenizer \
+        php${PHP_VERSION}-xml; \
     #
     # Cleanup
     apt-get autoremove -y; \