#!/bin/sh

RETRIES=${RETRIES:-15}

err_file=$(mktemp)

echo "Checking postgres is up..."
until pg_isready > /dev/null 2> "$err_file" || [ "$RETRIES" -eq 0 ]; do
  echo "Waiting for postgres server, retrying $((RETRIES=RETRIES-1)) more times..."
  sleep 1
done

[ "$RETRIES" -eq 0 ] && cat "$err_file" && echo "Ensure you have postgresql available on your host machine" && exit 1
rm "$err_file"

exec "$@"