Update Dockerfile to use PHP 8.2 (#24)

Dockerfile

@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1
-FROM ghcr.io/ghostwriter/php:8.1-composer
+FROM ghcr.io/ghostwriter/php:8.2-composer
 
 LABEL "org.opencontainers.image.title"="Compliance"
 LABEL "org.opencontainers.image.description"="Compliance Automation for PHP - Automatically configure and execute multiple CI/CD & QA Tests via GitHub Actions."
@@ -10,10 +10,16 @@ LABEL "org.opencontainers.image.licenses"="BSD-3-Clause"
 
 WORKDIR /app
 
-COPY / /app
+COPY composer.* /app/
 
 RUN COMPOSER_CACHE_DIR=/dev/null composer install --no-dev --no-autoloader --no-interaction --verbose
 
+COPY bin /app/bin/
+COPY src /app/src/
+
 RUN composer dump-autoload -a --no-dev
 
+# VERBOSITY = DEBUG
+ENV SHELL_VERBOSITY=3
+
 ENTRYPOINT ["/app/bin/compliance"]