# 定义日志格式
log_format main '$remote_addr - $remote_user [$time_local] "$request" '
                '$status $body_bytes_sent "$http_referer" '
                '"$http_user_agent" "$http_x_forwarded_for" '
                '$request_time $upstream_response_time';

log_format json_combined escape=json '{'
                                    '"timestamp":"$time_iso8601",'
                                    '"remote_addr":"$remote_addr",'
                                    '"remote_user":"$remote_user",'
                                    '"request":"$request",'
                                    '"status": "$status",'
                                    '"body_bytes_sent":"$body_bytes_sent",'
                                    '"http_referer":"$http_referer",'
                                    '"http_user_agent":"$http_user_agent",'
                                    '"http_x_forwarded_for":"$http_x_forwarded_for",'
                                    '"request_time":"$request_time",'
                                    '"upstream_response_time":"$upstream_response_time"'
                                    '}';

# 访问日志配置
access_log /var/log/nginx/access.log main buffer=32k flush=5s;
access_log /var/log/nginx/access.json.log json_combined buffer=32k flush=5s;

# 错误日志配置
error_log /var/log/nginx/error.log warn;

# 开启压缩日志功能
gzip on;
gzip_disable "msie6";
gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript application/javascript;