Add Dockerfile

Fixes #11.

Dockerfile

@@ -0,0 +1,23 @@
+FROM ubuntu:16.04
+MAINTAINER Barna Csorogi <barnacs@justletit.be>
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get update
+RUN DEBIAN_FRONTEND=noninteractive apt-get upgrade -y
+RUN DEBIAN_FRONTEND=noninteractive apt-get install -y \
+    libjpeg8 \
+    openssl \
+    ssl-cert
+
+WORKDIR /opt/compy
+COPY \
+    compy \
+    docker.sh \
+    /opt/compy/
+
+# TODO: configure HTTP BASIC authentication
+# TODO: user-provided certificates
+ENV \
+    CERTIFICATE_DOMAIN="localhost"
+
+EXPOSE 9999
+ENTRYPOINT ["./docker.sh"]

README.md

@@ -89,6 +89,16 @@ compy -host :9999
 
 For compression, transcoding and minification options, see `compy --help`
 
+Docker Usage
+------------
+
+Andrew Gaul publishes unofficial Docker images at
+https://hub.docker.com/r/andrewgaul/compy/ .  You can configure via:
+
+```
+sudo docker run --name=compy --env CERTIFICATE_DOMAIN=example.com --publish 9999:9999 andrewgaul/compy
+```
+
 References
 ----------
 

docker.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+openssl req -x509 -newkey rsa:2048 -nodes -keyout cert.key -out cert.crt -days 3650 -subj "/CN=${CERTIFICATE_DOMAIN}"
+openssl req -x509 -newkey rsa:2048 -nodes -keyout ca.key -out ca.crt -days 3650 -subj "/CN=${CERTIFICATE_DOMAIN}"
+
+echo 'Generated server certificate:'
+cat cert.crt
+echo
+echo 'Generated CA certificate:'
+cat ca.crt
+
+exec ./compy \
+    -cert cert.crt -key cert.key \
+    -ca ca.crt -cakey ca.key \
+    :9999