use docker env on .env file

Dockerfile

@@ -2,16 +2,25 @@ FROM phpswoole/swoole:php8.1-alpine
 
 COPY --from=mlocati/php-extension-installer /usr/bin/install-php-extensions /usr/local/bin/
 
-RUN install-php-extensions pcntl bcmath inotify \ 
-&& apk --no-cache add shadow supervisor nginx sqlite nginx-mod-http-brotli mysql-client git patch \
-&& addgroup -S -g 1000 www && adduser -S -G www -u 1000 www 
-#复制项目文件以及配置文件
+# 安装基础软件包，包括 gettext (提供 envsubst)
+RUN install-php-extensions pcntl bcmath inotify \
+    && apk --no-cache add shadow supervisor nginx sqlite nginx-mod-http-brotli mysql-client git patch gettext \
+    && addgroup -S -g 1000 www && adduser -S -G www -u 1000 www
+
+# 设置工作目录
 WORKDIR /www
+
+# 复制项目文件和配置文件
 COPY .docker /
 COPY . /www
-RUN composer install --optimize-autoloader --no-cache --no-dev \
-&& php artisan storage:link \
-&& chown -R www:www /www \
-&& chmod -R 775 /www
+COPY .env.example /www/.env.example
 
-CMD  /usr/bin/supervisord --nodaemon -c /etc/supervisor/supervisord.conf
+# 生成环境变量文件并安装依赖
+RUN envsubst < /www/.env.template > /www/.env \
+    && composer install --optimize-autoloader --no-cache --no-dev \
+    && php artisan storage:link \
+    && chown -R www:www /www \
+    && chmod -R 775 /www
+
+# 启动 supervisor
+CMD /usr/bin/supervisord --nodaemon -c /etc/supervisor/supervisord.conf