dockerコンテナにガッとつなぐやつ

dcon

#!/bin/sh                                                                                                                                                                                                                                                                                              
# usage
# dcon PIECE_OF_CONTAINER_NAME [COMMAND [ARGUMENTS...]]
#
# example
# $ dcon app1
# $ dcon postg psql -U myuser mydatabase

name=$1
shift 1
command=$*
docker exec -ti $(docker ps -qf name=$name) ${command:-/bin/sh}