#!/bin/bash

# Bring in the variables from SOLUTION file
#
export $(grep -v '^#' SOLUTION | xargs -d '\n')
export $(grep -v '^#' MANIFEST | xargs -d '\n')

# Remove the Dockerfile if it exists; should check
# if it is clean first, and abort if not.
#
[ -e Dockerfile ] && rm Dockerfile

for snippet in templates/*.in; do
  cat << EOM >> Dockerfile

#
# Template $snippt begins here (from templates/${snippet})
#
EOM
  envsubst < $snippet >> Dockerfile
done

cat << EOM >> Dockerfile

#
# Solution begins here (from Dockerfile.solution)
#
EOM

envsubst < Dockerfile.solution >> Dockerfile

docker build . -t $CONTAINER