locaweb/multitenancy_tools

#!/bin/bash

set -e

export POSTGRES_CONTAINER_NAME="postgres"

# removed old pg containers running in your machine
# searches for containers with name "postgres"
remove_old_pg_container() {
  container_id=$(docker ps -a --filter name="^$POSTGRES_CONTAINER_NAME$" --format {{.ID}})

  if [ "$container_id" ]; then
    docker stop $container_id
    docker rm $container_id
  fi
}

# destroys previous postgres containers and starts a new one
# with fresh data. This prevents problems in running it with
# a prepoulated volume containing old tables.
setup_db_container() {
  remove_old_pg_container

  docker run --detach \
    --publish 5432:5432 \
    --hostname $POSTGRES_CONTAINER_NAME \
    --name $POSTGRES_CONTAINER_NAME postgres:9.3
}

# ignores docker containers IDs outputs to stdout
setup_db_container &>/dev/null

# brings up main container with multitenancy tools environment
docker run -it \
  -v $PWD:/mtools \
  --workdir /mtools --user $EUID \
  --link $POSTGRES_CONTAINER_NAME mtools bash