diff --git a/Dockerfile b/Dockerfile
index 36ddaa0..510d422 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,17 @@
-FROM stackbrew/debian:jessie
-RUN apt-get update
-RUN apt-get install -y python python-setuptools
+FROM ubuntu:14.04
 
-ADD . /shadowsocks
+RUN apt-get update && apt-get install -y \
+    python-software-properties \
+    software-properties-common \
+ && add-apt-repository ppa:chris-lea/libsodium \
+ && echo "deb http://ppa.launchpad.net/chris-lea/libsodium/ubuntu trusty main" >> /etc/apt/sources.list \
+ && echo "deb-src http://ppa.launchpad.net/chris-lea/libsodium/ubuntu trusty main" >> /etc/apt/sources.list \
+ && apt-get update \
+ && apt-get install -y libsodium-dev python-pip
 
-WORKDIR /shadowsocks
-RUN python setup.py install
-CMD ssserver
+RUN pip install shadowsocks
+
+ENTRYPOINT ["/usr/local/bin/ssserver"]
+
+# usage:
+# docker run -d --restart=always -p 1314:1314 ficapy/shadowsocks -s 0.0.0.0 -p 1314 -k $PD -m chacha20