Docker optimisation (#74)

* optimised docker image.

* bump version

Co-authored-by: Peter Dwyer <peter.dwyer@clanwilliamhealth.com>

.dockerignore

@@ -1,8 +1,6 @@
 # Dockerignore whitelist
 *
 
-!Pipfile
-!Pipfile.lock
 !cbreader
 !comic
 !comic_auth
@@ -15,4 +13,6 @@
 !requirements.txt
 !package-lock.json
 !package.json
-!frontend
+!frontend
+/frontend/node_modules
+/frontend/dist