optimize docker file to maintain max cache into image

add volume database

data/db is deafult location for mongodb will be different for postgress docker run -d -v volume_data:/data/db/ -p 27017:27017 mongo

add network to connect containers with another conatainers

from week 15 live 2.2

normally it worked when i tried node on machine instead of container

but same wont work for container need to create network so need to add network