Update docker-entrypoint.sh (#2731)
Update docker-entrypoint.sh (#2731)

shuod ${var_application_file} not \${var_application_file}
OpenSkywalking/skywalking,ascrutae/sky-walking,apache/skywalking,apache/skywalking,apache/skywalking,apache/skywalking,apache/skywalking,apache/skywalking,OpenSkywalking/skywalking,ascrutae/sky-walking,ascrutae/sky-walking,apache/skywalking,ascrutae/sky-walking