Add VPN stuff to it's own container and configuration
diff --git a/containers/vpn/Dockerfile b/containers/vpn/Dockerfile
new file mode 100644
index 0000000..8ae8484
--- /dev/null
+++ b/containers/vpn/Dockerfile
@@ -0,0 +1,12 @@
+FROM xosproject/xos-synchronizer-openstack
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y \
+ openvpn
+
+# for OpenVPN
+RUN mkdir -p /opt/openvpn
+RUN chmod 777 /opt/openvpn
+RUN git clone https://github.com/OpenVPN/easy-rsa.git /opt/openvpn
+RUN git -C /opt/openvpn pull origin master
+RUN echo 'set_var EASYRSA "/opt/openvpn/easyrsa3"' | tee /opt/openvpn/vars
+RUN echo 'set_var EASYRSA_BATCH "true"' | tee -a /opt/openvpn/vars