Particle has released the TrackerOne and TrackerSOM, a "a field-ready asset tracking solution" and reference design for a custom tracking solution. The board includes an integrated CAN Bus controller and transceiver able to connect to a car's OBD-II port.
This tutorial will guide you through deploying Flask on a Dreamhost shared plan using Passenger. Dreamhost has first-party technical notes for nearly every step in this process, this walkthrough simply clarifies and connects them into a step-by-step path. Thank you to Matt Carrier's excellent tutorial from 2013 for getting me to 90%, this is essentially just an updated version.