This is example docker image based on official nginx:1.26.2 stable image with support of full request(headers+body) and response(headers+body) logging using njs. For more details check:
Image can be executed with run.sh script:
$ ./run.shSend example request:
$ curl 127.0.0.1 -d "example request body payload"Latest log record formatted with jq can be viewed with command docker logs --tail 1 nginx-njs-log | jq:
{
"source": "nginx",
"msec": 1690974762.229,
"time_iso8601": "2023-08-02T11:12:42+00:00",
"request_time": 0.001,
"body_bytes_sent": 157,
"bytes_sent": 314,
"request_length": 171,
"http_host": "127.0.0.1",
"http_user_agent": "curl/7.68.0",
"remote_addr": "172.17.0.1",
"request_method": "POST",
"request_uri": "/",
"status": 405,
"upstream_addr": "127.0.0.1:8080",
"request_body_njs": "example request body payload",
"response_body_njs": "<html>\r\n<head><title>405 Not Allowed</title></head>\r\n<body>\r\n<center><h1>405 Not Allowed</h1></center>\r\n<hr><center>nginx/1.26.2</center>\r\n</body>\r\n</html>\r\n",
"request_headers_njs": {
"Host": "127.0.0.1",
"User-Agent": "curl/7.68.0",
"Accept": "*/*",
"Content-Length": "28",
"Content-Type": "application/x-www-form-urlencoded"
},
"response_headers_njs": {
"Content-Type": "text/html",
"Content-Length": "157"
}
}Also logs can be sent to external syslog server:
$ SYSLOG_SRV="syslog:server=172.17.0.1:5514,facility=local7,tag=nginx,severity=info" ./run.shSyslog output using syslog2stdout:
$ ./syslog2stdout 5514
172.17.0.2:52961: local7.info: fafc6ae1c7f0 nginx: {"source": "nginx","msec": 1690981227.381,"time_iso8601": "2023-08-02T13:00:27+00:00","request_time": 0.001,"body_bytes_sent": 157,"bytes_sent": 314,"request_length": 171,"http_host": "127.0.0.1","http_user_agent": "curl/7.68.0","remote_addr": "172.17.0.1","request_method": "POST","request_uri": "/","status": 405,"upstream_addr": "127.0.0.1:8080","request_body_njs": "example request body payload","response_body_njs": "<html>\r\n<head><title>405 Not Allowed</title></head>\r\n<body>\r\n<center><h1>405 Not Allowed</h1></center>\r\n<hr><center>nginx/1.26.2</center>\r\n</body>\r\n</html>\r\n","request_headers_njs": {"Host":"127.0.0.1","User-Agent":"curl/7.68.0","Accept":"*/*","Content-Length":"28","Content-Type":"application/x-www-form-urlencoded"},"response_headers_njs": {"Content-Type":"text/html","Content-Length":"157"}}