#!/bin/bash

set -e

file_env() {
   local var="$1"
   local fileVar="${var}_FILE"
   local def="${2:-}"

   if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
      echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
      exit 1
   fi

   local val="$def"

   if [ "${!var:-}" ]; then
      val="${!var}"
   elif [ "${!fileVar:-}" ]; then
      val="$(< "${!fileVar}")"
   fi

   export "$var"="$val"
   unset "$fileVar"
}


file_env "database__connection__password"
file_env "mail__options__auth__pass"

# upstream entrypoint https://github.com/docker-library/ghost/blob/master/5/alpine/Dockerfile
exec /usr/local/bin/docker-entrypoint.sh "$@"