A script to launch an Rstudio docker container in Safari. Also, aliases to stop docker containers. Designed to go into ~/.zshrc files.

docker-start-stop.sh

# start `n` docker containers in safari (default 1)
# usage `docker-start [-n num_session] <some_container>` 
function docker-start () {

  docker-start-usage() { echo "docker-start: [-n <number of session>] [<container>]" 1>&2; }

  local OPTIND n o
  while getopts "n:" o; do
    case "${o}" in
      n)
        n="${OPTARG}"
        echo "Spinning up ${n} session"
        ;;
      *)
        docker-start-usage
        return 1
        ;;
    esac
  done
  shift $((OPTIND-1))

  num_sessions=${n:-1}

  RUN_CONTAINER=${1:-rocker/tidyverse}
  REPO_DIR=${2:-$HOME/github} # where all your repos live

  # spin up a docker container
  spin-docker() {
  	BASE_PORT1=3838
  	BASE_PORT2=8787
  	INCREMENT=1

  	port1=$BASE_PORT1
  	isfree=$(netstat -taln | grep $port1)

  	while [[ -n "$isfree" ]]; do
  			port1=$[port1+INCREMENT]
  			isfree=$(netstat -taln | grep $port1)
  	done

  	port2=$BASE_PORT2
  	isfree=$(netstat -taln | grep $port2)

  	while [[ -n "$isfree" ]]; do
  			port2=$[port2+INCREMENT]
  			isfree=$(netstat -taln | grep $port2)
  	done

  	docker run -d -e PASSWORD=1234 -p $port1:3838 -p $port2:8787 -v $REPO_DIR:/home/rstudio/github $RUN_CONTAINER

  	CONTAINER=$(docker ps | grep $port2 | sed -E 's/[ ][ ]+/|/g' | cut -d'|' -f7)

    # open container in application (-a) safari but in the background (-g)
  	open -g -a safari http://localhost:$port2

    echo $RUN_CONTAINER $REPO_DIR
  	echo $port2 $CONTAINER
  }

  # spin up docker containers
  for i in $(seq 1 $num_sessions); do spin-docker; done

}

alias docker-stop='docker ps -q --filter ancestor="docker.apple.com/dnoriegagoodwin/safe-rstudio" | xargs docker stop'
alias docker-stop-all='docker ps -q | xargs docker stop'