error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;

worker_processes    2;

events {
    worker_connections  1024;
}

http {
    postpone_output 1; # only postpone a single byte, default 1460 bytes
    access_log      /var/log/nginx-http_access.log;

    push_stream_shared_memory_size                100m;
    push_stream_max_channel_id_length             200;
    # max messages to store in memory
    push_stream_max_messages_stored_per_channel   20;
    # message ttl
    push_stream_message_ttl                       5m;
    # ping frequency
    push_stream_ping_message_interval             30s;
    # connection ttl to enable recycle
    push_stream_subscriber_connection_ttl         15m;
    # connection ttl for long polling
    push_stream_longpolling_connection_ttl        30s;
    push_stream_timeout_with_body                 off;

    # wildcard
    push_stream_wildcard_channel_prefix         "broad_";
    push_stream_wildcard_channel_max_qtd        3;

    push_stream_message_template                "{\"id\":~id~,\"channel\":\"~channel~\",\"text\":\"~text~\", \"tag\":\"~tag~\", \"time\":\"~time~\", \"eventid\":\"~event-id~\"}";

    # subscriber may create channels on demand or only authorized (publisher) may do it?
    push_stream_authorized_channels_only        off;

    push_stream_allowed_origins                 "*";

    include /etc/nginx/conf.d/*.conf; 
}