Shuffled Dockerfile contents for quicker rebuilds and readability
Shuffled Dockerfile contents for quicker rebuilds and readability

- Since host requirements rarely change, install them before the ADD statement
  so that the results get cached.

- Clean up the apt cache after install

cityofsomerville/citydash,cityofsomerville/cornerwise,codeforboston/cornerwise,cityofsomerville/cornerwise,cityofsomerville/citydash,cityofsomerville/citydash,cityofsomerville/citydash,codeforboston/cornerwise,codeforboston/cornerwise,cityofsomerville/cornerwise,cityofsomerville/cornerwise,codeforboston/cornerwise