Fix: Remove dev files, add auto-migration entrypoint, update Dockerfile/README

Dockerfile

@@ -1,12 +1,14 @@
 FROM php:8.2-apache
 
 # Install system dependencies and PHP extensions
+# mariadb-client added for auto-migration script
 RUN apt-get update && apt-get install -y \
     libpng-dev \
     libjpeg-dev \
     libfreetype6-dev \
     zip \
     unzip \
+    mariadb-client \
     && docker-php-ext-configure gd --with-freetype --with-jpeg \
     && docker-php-ext-install -j$(nproc) gd mysqli pdo pdo_mysql \
     && a2enmod rewrite
@@ -24,5 +26,12 @@ COPY src/ /var/www/html/
 RUN chown -R www-data:www-data /var/www/html \
     && chmod -R 755 /var/www/html
 
+# Copy and setup entrypoint
+COPY docker-entrypoint.sh /usr/local/bin/
+RUN chmod +x /usr/local/bin/docker-entrypoint.sh
+
 # Expose port 80
 EXPOSE 80
+
+# Set Entrypoint
+ENTRYPOINT ["docker-entrypoint.sh"]