Adding Keystone dockerfile

Patchset 2:
 - Updated Keystone to Openstack Queens version.
 - If Keystone fails container dies.

Patchset 3:
 - Removed port 35357 (no longer used).
 - Added safeguards.
 - Removed warnings regarding to bash.

Change-Id: I50cae8b34f717ff63cbbc1837375a0245d8fccc5
Signed-off-by: Eduardo Sousa <esousa@whitestack.com>
diff --git a/keystone/Dockerfile b/keystone/Dockerfile
new file mode 100644
index 0000000..263716a
--- /dev/null
+++ b/keystone/Dockerfile
@@ -0,0 +1,32 @@
+FROM ubuntu:16.04
+
+LABEL Maintainer="esousa@whitestack.com" \
+      Description="Openstack Keystone Instance" \
+      Version="1.0" \
+      Author="Eduardo Sousa"
+
+EXPOSE 5000
+
+WORKDIR /keystone
+
+COPY scripts/start.sh /keystone/start.sh
+
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get autoremove -y && \
+    apt-get install -y software-properties-common && \
+    add-apt-repository -y cloud-archive:queens && \
+    apt-get update && apt dist-upgrade -y && \
+    apt-get install -y python-openstackclient keystone apache2 libapache2-mod-wsgi net-tools mysql-client && \
+    rm -rf /var/lib/apt/lists/* && \
+    chmod +x start.sh
+
+ENV DB_HOST                 keystone-db     # DB Hostname
+ENV DB_PORT                 3306            # DB Port
+ENV ROOT_DB_USER            root            # DB Root User
+ENV ROOT_DB_PASSWORD        admin           # DB Root Password
+ENV KEYSTONE_DB_PASSWORD    admin           # Keystone user password
+ENV ADMIN_PASSWORD          admin           # Admin password
+ENV NBI_PASSWORD            nbi             # NBI password
+
+ENTRYPOINT ./start.sh