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I have a golang application running on port 3001. curl http://127.0.0.1:3001 gives the correct HTML response. But I am facing issues when I am trying to do a proxy_pass via NginX.

Below is my NginX configuration. I am doing a route based location block -

upstream my-app {
    server 127.0.0.1:3001;
}

server { listen 80 default_server; server_name localhost; underscores_in_headers on; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; error_page 404 /404.html; client_max_body_size 300M;

        location ^~ /theapp {               
            proxy_redirect   off;
            proxy_set_header Host              $http_host;
            proxy_set_header X-Real-IP         $remote_addr;
            proxy_set_header X-Forwarded-For   $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;

            proxy_pass       http://my-app;
        }

}

When I access http://example.com/theapp/, it downloads the my-app binary instead of forwarding the http request to my-app.

What am I doing wrong?

Output of nginx -T -

nginx: the configuration file /mnt/vol1/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /mnt/vol1/nginx/conf/nginx.conf test is successful
# configuration file /mnt/vol1/nginx/conf/nginx.conf:
#user  nobody;
worker_processes  12;

access_log /mnt/vol2/logs/nginx/access.log main-2 buffer=5k; error_log /mnt/vol2/logs/nginx/error.log;

events { worker_connections 4000; multi_accept on; }

http { include mime.types; underscores_in_headers on; default_type application/octet-stream;

log_format  main-2 '$host $http_client_ip $remote_addr - $remote_user - $request_time [$time_local] "$request" '
                  '$status $body_bytes_sent "$http_referer" '
                  '"$http_user_agent" "$http_x_forwarded_for" '
                  '"$http_cache_control" '
                  '"$http_via" ';


client_body_timeout 10;
client_header_timeout 10;
keepalive_timeout 5;
send_timeout 10;
sendfile        on;

upstream my-app {
    server 127.0.0.1:3001;
}

server {
        listen       80 default_server;
        server_name  localhost;
        underscores_in_headers on;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        error_page 404 /404.html;
        client_max_body_size 300M;

            location ^~ /theapp {               
                proxy_redirect   off;
                proxy_set_header Host              $http_host;
                proxy_set_header X-Real-IP         $remote_addr;
                proxy_set_header X-Forwarded-For   $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;

                proxy_pass       http://my-app;
            }
}


}

configuration file /mnt/vol1/nginx/conf/mime.types:

types { text/html html htm shtml; text/css css; text/xml xml; image/gif gif; image/jpeg jpeg jpg; application/javascript js; application/atom+xml atom; application/rss+xml rss;

text/mathml                           mml;
text/plain                            txt;
text/vnd.sun.j2me.app-descriptor      jad;
text/vnd.wap.wml                      wml;
text/x-component                      htc;

image/png                             png;
image/tiff                            tif tiff;
image/vnd.wap.wbmp                    wbmp;
image/x-icon                          ico;
image/x-jng                           jng;
image/x-ms-bmp                        bmp;
image/svg+xml                         svg svgz;
image/webp                            webp;

application/font-woff                 woff;
application/java-archive              jar war ear;
application/json                      json;
application/mac-binhex40              hqx;
application/msword                    doc;
application/pdf                       pdf;
application/postscript                ps eps ai;
application/rtf                       rtf;
application/vnd.apple.mpegurl         m3u8;
application/vnd.ms-excel              xls;
application/vnd.ms-fontobject         eot;
application/vnd.ms-powerpoint         ppt;
application/vnd.wap.wmlc              wmlc;
application/vnd.google-earth.kml+xml  kml;
application/vnd.google-earth.kmz      kmz;
application/x-7z-compressed           7z;
application/x-cocoa                   cco;
application/x-java-archive-diff       jardiff;
application/x-java-jnlp-file          jnlp;
application/x-makeself                run;
application/x-perl                    pl pm;
application/x-pilot                   prc pdb;
application/x-rar-compressed          rar;
application/x-redhat-package-manager  rpm;
application/x-sea                     sea;
application/x-shockwave-flash         swf;
application/x-stuffit                 sit;
application/x-tcl                     tcl tk;
application/x-x509-ca-cert            der pem crt;
application/x-xpinstall               xpi;
application/xhtml+xml                 xhtml;
application/xspf+xml                  xspf;
application/zip                       zip;

application/octet-stream              bin exe dll;
application/octet-stream              deb;
application/octet-stream              dmg;
application/octet-stream              iso img;
application/octet-stream              msi msp msm;

application/vnd.openxmlformats-officedocument.wordprocessingml.document    docx;
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet          xlsx;
application/vnd.openxmlformats-officedocument.presentationml.presentation  pptx;

audio/midi                            mid midi kar;
audio/mpeg                            mp3;
audio/ogg                             ogg;
audio/x-m4a                           m4a;
audio/x-realaudio                     ra;

video/3gpp                            3gpp 3gp;
video/mp2t                            ts;
video/mp4                             mp4;
video/mpeg                            mpeg mpg;
video/quicktime                       mov;
video/webm                            webm;
video/x-flv                           flv;
video/x-m4v                           m4v;
video/x-mng                           mng;
video/x-ms-asf                        asx asf;
video/x-ms-wmv                        wmv;
video/x-msvideo                       avi;

}

1 Answers1

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I have solved it by adding / at the end of http://my-app.

Not really sure how that works. But it did work.

Thanks to - Nginx: How do I forward a http request to another port?