add entry point for release docker

docker/scripts/entry-point.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -e
+
+echo "Migrating DB..."
+./rvr db:migrate
+
+echo "Installing crontab..."
+/usr/bin/crontab docker/scripts/cron
+
+echo "Set runner user based on owner of .env..."
+USER_UID=$(stat -c "%u" .env)
+USER_GID=$(stat -c "%g" .env)
+groupadd --gid $USER_GID rvr
+useradd --uid $USER_UID --gid $USER_GID rvr
+chown -R rvr:rvr cache
+sed -i -e "s/^user = .*$/user = rvr/g" -e "s/^group = .*$/group = rvr/g" /etc/php/7.4/fpm/pool.d/www.conf
+
+set +e
+
+/usr/sbin/cron -f &
+/usr/sbin/php-fpm7.4 -F &
+/usr/sbin/nginx -g 'daemon off;' &
+
+wait -n
+
+exit $?