- Some wording and formatting tweaks
- Use Python 3.4, because it's 2016
- Use Alpine-based images for faster downloads and less disk space usage
- Use the list form of `CMD` in the Dockerfile, so it's not wrapped in
sh
- Remove the `depends_on` from `docker-compose.yml`, as it's not really
needed - the web app connects to Redis when it's visited, not on
startup
- Add a section on updating the app and seeing the changes, because
that's the point of mounting the code in!
- Add a note about `docker-compose down`
Signed-off-by: Aanand Prasad <aanand.prasad@gmail.com>
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