- Docker Composer

# DOCKER-COMPOSER 
#installation
https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-compose-on-ubuntu-14-04

# https://docs.docker.com/compose/reference/overview/
docker-compose build -f X
docker-compose -f app.dockercompose.yaml build

# Build and run all services/containers in the docker-compose file.
docker-compose up 
docker-compose -f app.dockercompose.yaml up -d
# run only one container:
docker-compose -f docker-compose.yml run -it <nameOfServiceInTheFile>
# Build compose
docker-compose -f ./setup/<docker-compose>.yml build <service>

# exit container bash shell using CTRL + P + Q

# check running composed containers 
docker-compose ps
docker-compose logs
# list services by docker-compose file.
docker-compose -f <file> ps

# removes all services run by the docker-compose file.
docker-compose -f <file> down

# If run into any problems can use no cache option
 --no-cache

docker-compose.yml example

# docker-compose 
network-mode: host 

# CMD
command: bash -c "sleep 100000"
# will be overridden by entrypoint.
# command: bash -c "tail -F -n0 /etc/hosts"

# use /bin/sh where bash is not installed (i.e. alpine-node image). Installed bash to the default image.
# command: bash -c ""