added deployment file

Dockerfile

@@ -0,0 +1,25 @@
+FROM php:8.3-apache-bookworm
+
+RUN docker-php-ext-install mysqli \
+    && a2enmod rewrite headers setenvif \
+    && install -d -o www-data -g www-data -m 0700 /var/lib/php/sessions
+
+WORKDIR /var/www/html
+
+# Deliberately do not copy SQL exports, local tooling, or host credentials.
+COPY *.php favicon.ico ./
+COPY assets/ ./assets/
+COPY includes/ ./includes/
+COPY dashboard/ ./dashboard/
+COPY docker/conn.php ./includes/conn.php
+COPY docker/apache.conf /etc/apache2/conf-available/recruitment.conf
+COPY docker/php.ini /usr/local/etc/php/conf.d/recruitment.ini
+COPY docker/health.php /usr/local/share/recruitment/health.php
+COPY docker/migrate.php /usr/local/share/recruitment/migrate.php
+COPY docker/healthcheck.php /usr/local/bin/recruitment-healthcheck.php
+
+RUN a2enconf recruitment \
+    && find /var/www/html -type d -exec chmod 0755 {} + \
+    && find /var/www/html -type f -exec chmod 0644 {} +
+
+EXPOSE 80