upgrade to alpine 3.7 (new base)

jinal--shah · jinal--shah · commit bbb0e77d140d · 2018-02-19T10:37:37.000Z
diff --git a/Dockerfile b/Dockerfile
@@ -1,7 +1,6 @@
 # vim: et sr sw=4 ts=4 smartindent syntax=dockerfile:
 FROM opsgang/aws_env:stable
 
-MAINTAINER jinal--shah <jnshah@gmail.com>
 LABEL \
       name="opsgang/devbox_aws" \
       vendor="sortuniq" \
