還原 Dockerfile 與 Nginx proxy 設定至原始 port 80 配置

docker/8.5/Dockerfile

@@ -11,7 +11,7 @@ WORKDIR /var/www/html
 
 ENV DEBIAN_FRONTEND=noninteractive
 ENV TZ=UTC
-ENV SUPERVISOR_PHP_COMMAND="/usr/bin/php -d variables_order=EGPCS /var/www/html/artisan serve --host=0.0.0.0 --port=8080"
+ENV SUPERVISOR_PHP_COMMAND="/usr/bin/php -d variables_order=EGPCS /var/www/html/artisan serve --host=0.0.0.0 --port=80"
 ENV SUPERVISOR_PHP_USER="sail"
 ENV PLAYWRIGHT_BROWSERS_PATH=0
 
@@ -75,7 +75,7 @@ RUN apt-get update && apt-get upgrade -y \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
-# setcap 已移除：正式機核心不允許 sysctl 設定，改用高位 port 8080 搭配 Nginx proxy
+RUN setcap "cap_net_bind_service=+ep" /usr/bin/php8.5
 
 RUN userdel -r ubuntu
 RUN groupadd --force -g $WWWGROUP sail
@@ -87,6 +87,6 @@ COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf
 COPY php.ini /etc/php/8.5/cli/conf.d/99-sail.ini
 RUN chmod +x /usr/local/bin/start-container
 
-EXPOSE 8080/tcp
+EXPOSE 80/tcp
 
 ENTRYPOINT ["start-container"]