Dockerfile减少不必要的依赖

Dockerfile

@@ -2,25 +2,19 @@ FROM alpine:latest
 
 ARG DEBIAN_FRONTEND=noninteractive
 ENV TZ=Asia/Shanghai
-RUN apk add -U tzdata && ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone && apk del tzdata
-
 RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories \
     && apk update  \
-    && apk --no-cache add php81 \
+    && apk --no-cache add -U tzdata && ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone && apk del tzdata
+
+RUN apk --no-cache add php81 \
     php81-posix \
     php81-pcntl \
-    php81-mbstring \
-    php81-pear \
-    php81-dev \
-    php81-phar \
-    php81-xdebug \
     php81-pgsql \
-    php81-xml \
+    php81-mbstring \
-    libevent-dev \
     php81-curl \
+    php81-phar \
     php81-pecl-event \
-    && ln -s /usr/bin/php81    /usr/local/bin/php \
+    && ln -s /usr/bin/php81    /usr/local/bin/php 
-    && rm -rf /var/cache/apk/*
 
 RUN apk --no-cache add curl \
     && curl -s https://mirrors.aliyun.com/composer/composer.phar -o /usr/local/bin/composer \