Declare EXPOSE 80 in the image

Apache listens on 80; declaring it lets `docker run -P` and other
tooling discover the port.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

Dockerfile

@@ -79,6 +79,9 @@ RUN composer dump-autoload --optimize --no-dev \
 # --- Built frontend: served from the web root next to the API front controller
 COPY --from=frontend /web/dist/ ./public/
 
+# Apache listens on 80 -- declare it so `docker run -P` and tooling pick it up.
+EXPOSE 80
+
 ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
 CMD ["httpd", "-D", "FOREGROUND"]