create-postgres.sh

#!/usr/bin/env sh

# take the current folder name as the app name
APPNAME=${PWD##*/}

# start a new persistent postgres container named appname_pg that listens on local port 5432
docker run -p 5432:5432 --name ${APPNAME}_pg postgres

start_postgres.sh

#!/usr/bin/env sh

# take current folder name (e.g. arai) as the app name
APPNAME=${PWD##*/}

docker start -a ${APPNAME}_pg