Update for logging config, use newer compose plugin and update syntax for newer docker and docker compose (#5)

env.local.example: more realistic ssl cert path sample

compose: remove external volume warning by using new syntax

compose wrapper: use compose plugin instead of standalone docker-compose binary

compose: avoid repeating identical logging config

compose: inline logging config because of error

compose: set appropriate container log rotation to avoid excessive log retention

Merge pull request #4 from Ouranosinc/enable-ssl-for-gitlab-pages

ssl: redirect http to https for main webapp

docs: why gitlab pages not working properly with self-signed SSL cert

ssl: enable for gitlab pages now that production has a proper Wildcard SSL cert

Merge pull request #3 from Ouranosinc/enable-ssl

.gitignore: for real ssl cert and backup

vagrant: add to group docker to avoid having to use sudo with docker command

docs: runner registration do not work with self-signed ssl cert