client_body_temp/0000000297" failed (13: Permission denied),
The reason is that ower is nobady, you can define the received cache folder:
add it in the http block
http{
...
client_max_body_size 10m;
client_body_buffer_size 256k;
client_body_temp_path /home/***/nginx-1.10.3/client_body_temp_abc;
}