representer for https://github.com/matsumotory/ngx_mruby/issues/268

client.rb

#! /usr/bin/env ruby

require 'socket'

request_body = %({"hello": "ngx_mruby"})
headers = <<HEAD.gsub("\n", "\r\n")
POST /issue-268 HTTP/1.1
host: localhost
Accept: */*
Content-Type: application/json
User-Agent: Ruby
Content-Length: #{request_body.length}
Connection: keep-alive
HEAD
Socket.tcp("localhost", 10080) do |s|
  s.print headers
  s.print "\r\n\r\n"
  sleep 0.3 # <==== important!
  s.print request_body
  s.close_write
  puts s.read
end

docker.log

2017/03/07 09:32:40 [error] 5#0: *1 method:POST, client: 172.17.0.1, server: localhost, request: "POST /issue-268 HTTP/1.1", host: "localhost"
2017/03/07 09:32:40 [error] 5#0: *1 rc:-2, client: 172.17.0.1, server: localhost, request: "POST /issue-268 HTTP/1.1", host: "localhost"
2017/03/07 09:32:40 [error] 5#0: *1 body:, client: 172.17.0.1, server: localhost, request: "POST /issue-268 HTTP/1.1", host: "localhost"
2017/03/07 09:32:40 [error] 5#0: *1 method:POST, client: 172.17.0.1, server: localhost, request: "POST /issue-268 HTTP/1.1", host: "localhost"
2017/03/07 09:32:40 [error] 5#0: *1 rc:0, client: 172.17.0.1, server: localhost, request: "POST /issue-268 HTTP/1.1", host: "localhost"
2017/03/07 09:32:40 [error] 5#0: *1 body:
{"hello": "ngx_mruby, client: 172.17.0.1, server: localhost, request: "POST /issue-268 HTTP/1.1", host: "localhost"
2017/03/07 09:32:40 [alert] 5#0: *1 header already sent, client: 172.17.0.1, server: localhost, request: "POST /issue-268 HTTP/1.1", host: "localhost"

Dockerfile

FROM matsumotory/ngx-mruby

nginx.conf.patch

diff --git a/docker/conf/nginx.conf b/docker/conf/nginx.conf
index b30ea06..aa76359 100644
--- a/docker/conf/nginx.conf
+++ b/docker/conf/nginx.conf
@@ -21,6 +21,8 @@ http {
     keepalive_timeout  65;

     server {
+        access_log  stdout;
+        error_log   stderr;
         listen       80;
         server_name  localhost;

@@ -52,6 +54,21 @@ http {
             ';
         }

+        location /issue-268 {
+          mruby_access_handler_code '
+            req = Nginx::Request.new
+            Nginx.log Nginx::LOG_ERR, "method:#{req.method}"
+            rc = req.read_body
+            Nginx.log Nginx::LOG_ERR, "rc:#{rc}"
+            Nginx.log Nginx::LOG_ERR, "body:#{req.get_body}"
+            Nginx.return(403)
+          ';
+          mruby_content_handler_code '
+            Nginx.rputs "hi"
+            Nginx.return(200)
+          ';
+        }
+
         error_page   500 502 503 504  /50x.html;
         location = /50x.html {
             root   html;

representer

$ docker build -t ngx_mruby-issue-268 .
$ docker run -p 10080:80 ngx_mruby-issue-268
$ ruby client.rb