├── Dockerfile
├── README.md
└── nginx.conf


/Dockerfile:
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1 | FROM openresty/openresty:alpine
2 | 
3 | EXPOSE 8080
4 | ADD nginx.conf /usr/local/openresty/nginx/conf/nginx.conf
5 | 
6 | RUN chgrp -R 0 /usr/local/openresty/nginx/ && \
7 |     chmod -R g=u /usr/local/openresty/nginx/
8 | 
9 | 


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/README.md:
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 1 | # nginx-echo-headers
 2 | 
 3 | A simple tool for debugging HTTP requests. nginx will return all request headers and body to the client.
 4 | 
 5 | For the Docker image, see https://hub.docker.com/r/brndnmtthws/nginx-echo-headers/
 6 | 
 7 | Try running it like so:
 8 | 
 9 | ```ShellSession
10 | $ docker run -p 8080:8080 brndnmtthws/nginx-echo-headers
11 | Unable to find image 'brndnmtthws/nginx-echo-headers:latest' locally
12 | latest: Pulling from brndnmtthws/nginx-echo-headers
13 | 88286f41530e: Pull complete
14 | 7c2e0e2a8099: Pull complete
15 | fe86df227e07: Pull complete
16 | Digest: sha256:177eccf79ee22074a9285341ea61e0a7864023a0a40b115a693256984821328f
17 | Status: Downloaded newer image for brndnmtthws/nginx-echo-headers:latest
18 | 2019/01/24 13:55:52 [notice] 1#1: using the "epoll" event method
19 | 2019/01/24 13:55:52 [notice] 1#1: openresty/1.11.2.5
20 | 2019/01/24 13:55:52 [notice] 1#1: built by gcc 6.3.0 (Alpine 6.3.0)
21 | 2019/01/24 13:55:52 [notice] 1#1: OS: Linux 4.9.125-linuxkit
22 | 2019/01/24 13:55:52 [notice] 1#1: getrlimit(RLIMIT_NOFILE): 1048576:1048576
23 | 2019/01/24 13:55:52 [notice] 1#1: start worker processes
24 | 2019/01/24 13:55:52 [notice] 1#1: start worker process 7
25 | 2019/01/24 13:56:02 [info] 7#7: *1 client 172.17.0.1 closed keepalive connection
26 | ```
27 | 
28 | Then test it (this example uses [httpie](https://httpie.org/)):
29 | 
30 | ```ShellSession
31 | $ http localhost:8080
32 | HTTP/1.1 200 OK
33 | Connection: keep-alive
34 | Content-Type: text/plain
35 | Date: Thu, 24 Jan 2019 13:56:02 GMT
36 | Server: openresty/1.11.2.5
37 | Transfer-Encoding: chunked
38 | 
39 | GET / HTTP/1.1
40 | Host: localhost:8080
41 | User-Agent: HTTPie/1.0.2
42 | Accept-Encoding: gzip, deflate
43 | Accept: */*
44 | Connection: keep-alive
45 | ```
46 | 


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/nginx.conf:
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 1 | error_log stderr debug;
 2 | 
 3 | events {
 4 |     worker_connections 1024;
 5 | }
 6 | 
 7 | http {
 8 |     access_log off;
 9 |     include mime.types;
10 | 
11 |     server {
12 |         listen 8080;
13 |         listen [::]:8080 ipv6only=on;
14 |         location / {
15 |           echo_duplicate 1 $echo_client_request_headers;
16 |           echo "\r";
17 |           echo_read_request_body;
18 |           echo $request_body;
19 |           echo $hostname;
20 |         }
21 |     }
22 | }
23 | 


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