pid         logs/nginx.pid;
error_log   logs/nginx-main_error.log debug;

# Development Mode
# master_process      off;
# daemon              off;
worker_processes    1;
worker_rlimit_core  500M;
working_directory /tmp;
debug_points abort;

events {
    worker_connections  1024;
    #use                 kqueue; # MacOS
    use                 epoll; # Linux
}

http {
    default_type    application/octet-stream;

    access_log      logs/nginx-http_access.log;
    error_log       logs/nginx-http_error.log;

    proxy_cache_path /tmp/cache_zone levels=1:2 keys_zone=zone:10m inactive=10d max_size=100m;
    proxy_cache_path /tmp/cache_other_zone levels=1:2 keys_zone=other_zone:1m inactive=1d max_size=10m;

    #selective_cache_purge_redis_unix_socket "/tmp/redis.sock";
    #
    # or
    #
    #selective_cache_purge_redis_host "localhost";
    #selective_cache_purge_redis_port 6379;

    selective_cache_purge_redis_database 1;

    server {
        listen          8080;
        server_name     localhost;

        # purging by prefix
        location ~ /purge(.*) {
            selective_cache_purge_query "$1*";
        }

        location / {
            proxy_pass http://localhost:8081;

            proxy_cache zone;
            proxy_cache_key "$uri";
            proxy_cache_valid 200 1m;
        }
    }

    server {
        listen          8090;
        server_name     localhost;

        # purging by extension
        location ~ /purge/.*(\..*)$ {
            #purge by extension
            selective_cache_purge_query "*$1";
        }

        location / {
            proxy_pass http://localhost:8081;

            proxy_cache other_zone;
            proxy_cache_key "$uri";
            proxy_cache_valid 200 1m;
        }
    }

    server {
        listen          8081;
        server_name     localhost;

        location / {
            return 200 "requested url: $uri\n";
        }
    }
}