chore(Dockerfile): update go toolchain to 1.8.3

mboersma · mboersma · commit bf4618cc4236 · 2017-05-25T16:48:53.000-06:00
See https://github.com/golang/go/issues?q=milestone%3AGo1.8.3
diff --git a/rootfs/Dockerfile b/rootfs/Dockerfile
@@ -1,6 +1,6 @@
 FROM quay.io/deis/base:v0.3.6
 
-ENV GO_VERSION=1.8.1 \
+ENV GO_VERSION=1.8.3 \
     GLIDE_VERSION=v0.12.3 \
     GLIDE_HOME=/root \
     SHELLCHECK_VERSION=v0.4.6 \
