diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 000000000..02c07f40a
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,15 @@
+FROM ubuntu:trusty
+
+EXPOSE 443
+
+RUN apt-get update && apt-get -y install python python-setuptools python-virtualenv python-dev \
+  gcc swig dialog libaugeas0 libssl-dev libffi-dev ca-certificates git && \
+  apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+RUN cd /opt && git clone https://github.com/letsencrypt/lets-encrypt-preview.git
+WORKDIR /opt/lets-encrypt-preview
+RUN \
+  virtualenv --no-site-packages -p python2 venv && \
+  ./venv/bin/python setup.py install
+
+ENTRYPOINT [ "./venv/bin/letsencrypt", "--text" ]