优化镜像大小从 858MB 减少到 332MB

- 使用虚拟包 .build-deps 管理编译依赖
- 移除运行时不需要的包（bash、git、nano、openssh 等）
- 扩展编译后添加清理（swoole、xhprof、event 等）
- 合并 RUN 命令减少层数
- 更彻底的缓存清理（/var/cache/apk、/tmp、.pearrc 等）

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

Author: Tinywan

Dockerfile

@@ -1,59 +1,44 @@
-# FROM php:7.4.33-cli-alpine
-# FROM php:8.1.28-cli-alpine
-#FROM php:8.2.18-cli-alpine
 FROM php:8.4.16-cli-alpine
 
 LABEL Maintainer="ShaoBo Wan (Tinywan) <756684177@qq.com>" \
     Description="Webman Lightweight container with PHP 8.4.16 based on Alpine Linux."
 
-# Container package  : mirrors.163.com、mirrors.aliyun.com、mirrors.ustc.edu.cn
+# Use Alibaba Cloud mirror for faster downloads
 RUN sed -i "s/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g" /etc/apk/repositories
-# RUN sed -i "s/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g" /etc/apk/repositories
 
-RUN cat /etc/issue
-
-# [php74] Add basics first
-# RUN apk update && apk add bash curl ca-certificates openssl openssh git libxml2-dev tzdata icu-dev openntpd libedit-dev libzip-dev libjpeg-turbo-dev libpng-dev freetype-dev autoconf dpkg-dev dpkg file g++ gcc libc-dev make pkgconf re2c pcre-dev libffi-dev libressl-dev libevent-dev zlib-dev libtool automake supervisor
-
-# [php8] Add basics first
-RUN apk update && apk add bash curl ca-certificates openssl openssh git nano libxml2-dev tzdata icu-dev openntpd libedit-dev libzip-dev libjpeg-turbo-dev libpng-dev freetype-dev autoconf file g++ gcc libc-dev make pkgconf re2c pcre-dev openssl-dev libffi-dev libevent-dev zlib-dev libtool automake supervisor
+# Install runtime dependencies only (build deps will be installed and removed later)
+RUN apk add --no-cache curl ca-certificates tzdata supervisor
 
 COPY ./extension /tmp/extension
 WORKDIR /tmp/extension
-RUN sed -i 's/\r$//' install.sh \
-    && chmod +x install.sh \
-    && sh install.sh \
-    && rm -rf /tmp/extension
 
-RUN php -m
+# Install build dependencies, compile extensions, then cleanup everything in one layer
+RUN apk add --no-cache --virtual .build-deps \
+    libxml2-dev libzip-dev libjpeg-turbo-dev libpng-dev freetype-dev \
+    libevent-dev openssl-dev libffi-dev icu-dev bzip2-dev postgresql-dev \
+    autoconf g++ gcc make libc-dev pkgconf re2c libtool automake \
+    && sed -i 's/\r$//' install.sh \
+    && sh install.sh \
+    && rm -rf /tmp/extension \
+    && apk del .build-deps \
+    && rm -rf /var/cache/apk/* /tmp/* /root/.pearrc /usr/local/include/php
 
-# Add Composer
-RUN curl -sS https://getcomposer.org/installer | php && mv composer.phar /usr/local/bin/composer
+# Add Composer (with cache cleanup)
+RUN curl -sS https://getcomposer.org/installer | php \
+    && mv composer.phar /usr/local/bin/composer \
+    && rm -rf /root/.composer/cache
 
 # Configure PHP
 COPY config/php.ini /usr/local/etc/php/conf.d/zzz_custom.ini
 
 # Configure supervisord
 COPY config/supervisord.conf /etc/supervisor/conf.d/supervisord.conf
 
-# Make sure files/folders needed by the processes are accessable when they run under the nobody user
-# RUN chown -R nobody.nobody /run
-
 # Setup document root
 RUN mkdir -p /app
 
-# Make the document root a volume
 VOLUME /app
-
-#echo " > /usr/local/etc/php/conf.d/phalcon.ini
-# Switch to use a non-root user from here on
-USER root
-
-# Add application
 WORKDIR /app
-
-# Expose the port nginx is reachable on
 EXPOSE 8787
 
-# Let supervisord start nginx & php
 CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]

extension/install.sh

@@ -52,6 +52,7 @@ installExtensionFromTgz() {
     (cd ${extensionName} && phpize && ./configure && make ${MC} && make install)
 
     docker-php-ext-enable ${extensionName} $2
+    rm -rf ${extensionName}
 }
 
 if [[ -z "${EXTENSIONS##*,pdo_mysql,*}" ]]; then
@@ -550,11 +551,13 @@ if [[ -z "${EXTENSIONS##*,swoole,*}" ]]; then
         tar -xf swoole-6.1.6.tgz -C swoole --strip-components=1
         (cd swoole && phpize && ./configure --enable-sockets --enable-openssl && make ${MC} && make install)
         docker-php-ext-enable swoole
+        rm -rf swoole
     else
         mkdir swoole
         tar -xf swoole-6.1.6.tgz -C swoole --strip-components=1
         (cd swoole && phpize && ./configure --enable-sockets --enable-openssl && make ${MC} && make install)
         docker-php-ext-enable swoole
+        rm -rf swoole
     fi
 fi
 
@@ -580,7 +583,8 @@ if [[ -z "${EXTENSIONS##*,xhprof,*}" ]]; then
         mkdir xhprof &&
             tar -xf xhprof-2.2.0.tgz -C xhprof --strip-components=1 &&
             (cd xhprof/extension/ && phpize && ./configure && make ${MC} && make install) &&
-            docker-php-ext-enable xhprof
+            docker-php-ext-enable xhprof &&
+            rm -rf xhprof
     else
         echo "---------- PHP Version>= 7.0----------"
     fi
@@ -676,7 +680,7 @@ if [[ -z "${EXTENSIONS##*,grpc,*}" ]]; then
     fi
 fi
 
-if [ "${PHP_EXTENSIONS}" != "" ]; then
-    apk del .build-deps &&
-        docker-php-source delete
-fi
+# Cleanup build artifacts and caches
+echo "---------- Cleanup ----------"
+rm -rf /tmp/* /var/cache/apk/* /root/.pearrc /usr/local/include/php
+docker-php-source delete