Postgres services loads before django

[nickatnight]

When running dc up, the django service will fail to load if postgres service boots first. See image

[nickatnight]

Solution:

https://github.com/maxcnunes/waitforit

[robdox]

In the docker-entrypoint.sh we wait for 2s to let postgres go up. This has worked for me because i'm working on a fairly powerful system but perhaps the timeout should be extended?