From 29a63b0c65f6189caee1b7f9d4993f903dfd5f4f Mon Sep 17 00:00:00 2001
From: tgic <farmer1992@gmail.com>
Date: Fri, 12 Dec 2014 20:05:57 +0800
Subject: [PATCH] add CHALLENGER env support and google-authenticator

---
 Dockerfile | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 893b4cfb..65268e9c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,11 @@
 FROM golang:latest
 MAINTAINER tgic <farmer1992@gmail.com>
 
+RUN apt-get update && apt-get install -y libpam0g-dev libpam-google-authenticator
 
-RUN go get github.com/tg123/sshpiper/sshpiperd
-RUN go install github.com/tg123/sshpiper/sshpiperd
+RUN go get -tags pam github.com/tg123/sshpiper/sshpiperd
+RUN go install -tags pam github.com/tg123/sshpiper/sshpiperd
 
 EXPOSE 2222
-CMD ["/go/bin/sshpiperd"]
+
+CMD ["sh", "-c", "/go/bin/sshpiperd -c=${CHALLENGER}"]