Nginx 1.8 cache encoutered forbidden 403 - nginx

Question

I just want to cache my website's url /. But when I request the url, get 403 error, (other urls is Ok).the error log:
2016/01/06 17:25:04 [error] 26263#0: *1 directory index of "/home/app/path/" is forbidden, client: 223.85.143.126, server: domain.com, request: "GET / HTTP/1.1", host: "www.domain.com", referrer: "http://www.domain.com/accounts/"
I've try chmod 777 -R /home/app/path/ or chmod 777 -R /home/app/path/nginx_cache or change user nginx; to user root; in nginx.conf, all doesnot work.
Here is infomation.
sites-enabled conf:
proxy_cache_path /home/app/path/nginx_cache levels=1:2 keys_zone=my_cache:1m max_size=50m inactive=60m use_temp_path=off;
server {
listen 80;
server_name domain.com www.domain.com;
index index.html index.htm;
root /home/app/path;
charset utf-8;
client_max_body_size 5M;
if ($host !~* ^(domain.com|www.domain.com)$){
return 444;
}
location /media {
alias /home/app/path/media;
}
location /static {
alias /home/app/path/static;
}
location / {
uwsgi_pass 127.0.0.1:3032;
include /home/app/path/uwsgi_params;
}
location = / {
proxy_cache my_cache;
proxy_cache_valid 15s;
}
}
nginx.conf:
user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;
events {
worker_connections 768;
}
http {
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 30;
types_hash_max_size 2048;
reset_timedout_connection on;
client_body_timeout 10;
include /etc/nginx/mime.types;
default_type application/octet-stream;
log_format main '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
access_log off;
#gzip on;
include /etc/nginx/conf.d/*.conf;
include /etc/nginx/sites-enabled/*;
}

Answer 1

Location do not inherits rules, so there is no UWSGI pass, nginx tries to display directory index and fails. Should be something like this:
location = / {
uwsgi_pass 127.0.0.1:3032;
include /home/app/path/uwsgi_params;
proxy_cache my_cache;
proxy_cache_valid 15s;
}