build.sh

#!/bin/bash
set -euo pipefail

name="adamveld12/arma3"

if [[ -f "./keys/id_rsa"  && -f "./keys/id_rsa.pub" ]]; then
  echo "Using existing keypair..."
else
  echo -n "Your ssh password (leave blank for no password) [ENTER]: "
  read -es sshpass
  echo 

  echo -n "Generating key pair for SSH in ./keys..."
  rm -rf ./keys
  mkdir ./keys
  ssh-keygen -b 4096 -N "${sshpass}" -f ./keys/id_rsa -C "Arma 3 Admin Server Key" &> /dev/null
fi

if [[ ! -f ./credentials.sh ]]; then
  steamuser=""
  steampass=""
  echo -n "Steam account username? [ENTER]: "
  read -e steamuser
  echo 

  echo -n "Steam account password? [ENTER]: "
  read -s steampass
  echo 

  echo -e "#!/bin/bash\nexport STEAMUSER=\"${steamuser}\"\nexport STEAMPASS=\"${steampass}\"" > ./credentials.sh
  chmod +x ./credentials.sh
fi

echo -e "Building container as \"${name}\"..."
docker build -t ${name} .

if [[ -f $(which boot2docker) ]]; then
  IP=$(boot2docker ip)
else
  IP=127.0.0.1
fi

echo "${name} completed."
echo "to ssh into your container:"
echo "ssh root@${IP} -i ./keys/id_rsa -p 2222"