docker links
DESCRIPTION
TRANSCRIPT
Links
Why?
● Most containers only need to communicate with other containers
● Only expose the frontend to the public
Stack
Todo MVCFlask python appRequires rethinkdbPublish port 5000
RethinkDBExpose port 27015Publish port 8080
Environment
Links will expose the child container’s exposed ports, ip, and environment to the parent.
Environment vars are prefixed with the alias of the child i.e.
DB_PORT_27015_TCP=tcp://xxx.x...:27015
Starting Rethinkdbdocker run -d -p 8080 -name rethinkdb -e NAME=todo crosbymichael/rethinkdb --bind all
Publish the admin ui to the host, keep everything else internally.0.0.0.0:49155->8080/tcp, 28015/tcp, 29015/tcp
Starting the frontend
docker run -d -p 5000 -link rethinkdb:db -name todo frontend
#python code using a client libproto, ip, port = docker.require_port('db', 28015)database_name = docker.require_env('db', 'name')
Codegithub.com/crosbymichael/docker-links-backbone-todo