fix: 解决 PHP 5.5.38 安装 composer 失败的问题

apps/php5/5.5.38/build/php/Dockerfile

@@ -5,17 +5,18 @@ ARG TZ
 ARG PHP_EXTENSIONS
 ARG CONTAINER_PACKAGE_URL
 
-RUN if [ $CONTAINER_PACKAGE_URL ] ; then sed -i "s/http://dl-cdn.alpinelinux.org/https://${CONTAINER_PACKAGE_URL}/g" /etc/apk/repositories ; fi
+RUN if [ "$CONTAINER_PACKAGE_URL" ]; then sed -i "s|http://dl-cdn.alpinelinux.org/alpine/v3.4|https://${CONTAINER_PACKAGE_URL}/alpine/v3.5|g" /etc/apk/repositories; fi
 
 
+ADD ./extensions/install-php-extensions  /usr/local/bin/
+RUN chmod uga+x /usr/local/bin/install-php-extensions
+
 COPY ./extensions /tmp/extensions
 WORKDIR /tmp/extensions
 RUN chmod +x install.sh \
     && sh install.sh
 
-ADD ./extensions/install-php-extensions  /usr/local/bin/
 
-RUN chmod uga+x /usr/local/bin/install-php-extensions
 
 RUN apk --no-cache add tzdata \
     && cp "/usr/share/zoneinfo/$TZ" /etc/localtime \
@@ -28,9 +29,10 @@ ENV LD_PRELOAD /usr/lib/preloadable_libiconv.so php
 
 
 # Install composer and change it's cache home
-RUN curl -o /usr/bin/composer https://mirrors.aliyun.com/composer/composer.phar \
-    && chmod +x /usr/bin/composer
-ENV COMPOSER_HOME=/tmp/composer
+RUN curl -ksS https://getcomposer.org/installer | php -- --install-dir=/usr/bin --filename=composer --disable-tls \
+    && chmod +x /usr/bin/composer \
+    && rm -rf /tmp/composer-setup.php
+
 
 # php image's www-data user uid & gid are 82, change them to 1000 (primary user)
 RUN apk --no-cache add shadow && usermod -u 1000 www-data && groupmod -g 1000 www-data