diff --git a/.ignore b/.ignore
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--- /dev/null
+++ b/.ignore
@@ -0,0 +1 @@
+.idea
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
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+++ b/Dockerfile
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+FROM php:7.2.34-fpm-alpine3.12
+
+# 环境变量
+ENV COMPOSER_ALLOW_SUPERUSER=1 \
+    COMPOSER_HOME=/composer
+
+# 安装依赖 + 常用扩展
+RUN apk add --no-cache \
+        bash \
+        git \
+        curl \
+        wget \
+        unzip \
+        libzip-dev \
+        openssl \
+        openssl-dev \
+        pcre \
+        pcre-dev \
+        zlib \
+        zlib-dev \
+        icu-dev \
+        build-base \
+    && docker-php-ext-install \
+        pdo_mysql \
+        mysqli \
+        mbstring \
+        opcache \
+        zip \
+    # 安装 swoole（固定版本，兼容 php7.2）
+    && pecl install swoole-4.8.12 \
+    && docker-php-ext-enable swoole \
+    # 安装 redis 扩展（最后一个支持 php7.2 的版本）
+    && pecl install redis-5.3.7 \
+    && docker-php-ext-enable redis \
+    # 安装 composer
+    && curl -sS https://getcomposer.org/installer | php -- \
+        --install-dir=/usr/local/bin --filename=composer \
+    # 清理
+    && apk del build-base \
+    && rm -rf /tmp/pear ~/.pearrc /var/cache/apk/*
+
+# 工作目录
+WORKDIR /www/wwwroot/admin