update

nginx/Dockerfile

@@ -4,17 +4,17 @@ MAINTAINER Mahmoud Zalt <mahmoud@zalt.me>
 
 ADD nginx.conf /etc/nginx/
 
-ARG PHP_UPSTREAM=php-fpm
-
-# fix a problem--#397, change application source from dl-cdn.alpinelinux.org to aliyun source.
-RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/' /etc/apk/repositories
+ARG PHP_UPSTREAM_CONTAINER=php-fpm
+ARG PHP_UPSTREAM_PORT=9000
 
 RUN apk update \
     && apk upgrade \
     && apk add --no-cache bash \
-    && adduser -D -H -u 1000 -s /bin/bash www-data \
-    && rm /etc/nginx/conf.d/default.conf \
-    && echo "upstream php-upstream { server ${PHP_UPSTREAM}:9000; }" > /etc/nginx/conf.d/upstream.conf
+    && adduser -D -H -u 1000 -s /bin/bash www-data
+
+# Set upstream conf and remove the default conf
+RUN echo "upstream php-upstream { server ${PHP_UPSTREAM_CONTAINER}:${PHP_UPSTREAM_PORT}; }" > /etc/nginx/conf.d/upstream.conf \
+    && rm /etc/nginx/conf.d/default.conf
 
 CMD ["nginx"]