#!/bin/bash

set -eu

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_PASSWORD"
file_env "HYPERKITTY_API_KEY"
file_env "MAILMAN_REST_PASSWORD"
file_env "SECRET_KEY"

export DATABASE_URL="postgres://${DATABASE_USER}:${DATABASE_PASSWORD}@${DATABASE_HOST}/${DATABASE_NAME}"

/usr/local/bin/docker-entrypoint.sh "$@"