From b449725720922b2fcadcf19012d3e69cc63f86df Mon Sep 17 00:00:00 2001
From: sparklyballs <sparklyballs@gmail.com>
Date: Thu, 9 Feb 2017 15:48:20 +0000
Subject: [PATCH] first step to one git repo for all archs of alpine base

---
 Dockerfile | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index d378f47..0a3d699 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,9 +3,8 @@ ADD rootfs.tar.gz /
 
 MAINTAINER sparklyballs
 
-# set version for s6 overlay
-ARG OVERLAY_VERSION="v1.19.1.1"
-ARG OVERLAY_ARCH="amd64"
+# set arch for s6 overlay
+ARG OVERLAY_ARCH="${OVERLAY_ARCH:-amd64}"
 
 # environment variables
 ENV PS1="$(whoami)@$(hostname):$(pwd)$ " \
@@ -25,6 +24,8 @@ RUN \
 	tzdata && \
 
 # add s6 overlay
+  OVERLAY_VERSION=$(curl -sX GET "https://api.github.com/repos/just-containers/s6-overlay/releases/latest" \
+	| awk '/tag_name/{print $4;exit}' FS='[""]') && \
  curl -o \
  /tmp/s6-overlay.tar.gz -L \
 	"https://github.com/just-containers/s6-overlay/releases/download/${OVERLAY_VERSION}/s6-overlay-${OVERLAY_ARCH}.tar.gz" && \