Add the '--no-cache' flag to apk to avoid having local cache files.

Switched to using labels in Dockerfile

Author: TrafeX

Dockerfile

@@ -1,8 +1,9 @@
-FROM alpine:latest
-MAINTAINER Tim de Pater <[email protected]>
+FROM alpine:3.5
+LABEL Maintainer="Tim de Pater <[email protected]>" \
+      Description="Lightweight container with Nginx 1.10 & PHP-FPM 7.0 based on Alpine Linux."
 
 # Install packages
-RUN apk --update add php7 php7-fpm nginx supervisor --repository http://dl-cdn.alpinelinux.org/alpine/edge/community/
+RUN apk --no-cache add php7 php7-fpm nginx supervisor --repository http://dl-cdn.alpinelinux.org/alpine/edge/community/
 
 # Configure nginx
 COPY config/nginx.conf /etc/nginx/nginx.conf

README.md

@@ -17,5 +17,4 @@ See the PHP info on http://localhost, or the static html page on http://localhos
 Resources & inspiration
 -----------------------
 https://ejosh.co/de/2015/09/how-to-link-docker-containers-together
-
 https://github.com/johanan/Ansible-and-Docker