Support for network dependencies?

[david-drinn]

The current container dependency graph is not that helpful for containers that are indirectly dependent on each other through common networks.

For example, dockviz is completely missing the dependencies between the postgresql container and the jira container when running the container cluster of https://github.com/blacklabelops/jira.

$ docker network create jiranet
$ docker run --name postgres -d \
    --network jiranet \
    -v postgresvolume:/var/lib/postgresql \
    -e 'POSTGRES_USER=jira' \
    -e 'POSTGRES_PASSWORD=jellyfish' \
    -e 'POSTGRES_DB=jiradb' \
    -e 'POSTGRES_ENCODING=UNICODE' \
    -e 'POSTGRES_COLLATE=C' \
    -e 'POSTGRES_COLLATE_TYPE=C' \
    blacklabelops/postgres

Followed by:

$ docker run -d --name jira \
    --network jiranet \
    -v jiravolume:/var/atlassian/jira \
	  -e "JIRA_DATABASE_URL=postgresql://jira@postgres/jiradb" \
	  -e "JIRA_DB_PASSWORD=jellyfish"  \
	  -p 80:8080 blacklabelops/jira

If dockviz noted that both containers are connected to the same network, jiranet it would go a long way in visualizing that the containers are likely dependent on each other.