Ndtyjky

I have a default Laravel application running on port 80. It use PHP 7 default setup. Now I want to add another nodejs apps which usually running on port 3000 and use reverse proxy on Nginx from port 8000 to 3000. But it turn out to be 502 bad gateway. Here is my pm2 status

┌──────────┬────┬─────────┬──────┬───────┬────────┬─────────┬────────┬─────┬───────────┬──────┬──────────┐

│ App name │ id │ version │ mode │ pid   │ status │ restart │ uptime │ cpu │ mem       │ user │ watching │

├──────────┼────┼─────────┼──────┼───────┼────────┼─────────┼────────┼─────┼───────────┼──────┼──────────┤

│ FAM      │ 0  │ 1.0.0   │ fork │ 16073 │ online │ 0       │ 97m    │ 0%  │ 48.4 MB   │ root │ disabled │

└──────────┴────┴─────────┴──────┴───────┴────────┴─────────┴────────┴─────┴───────────┴──────┴──────────┘

 Use `pm2 show <id|name>` to get more details about an app

I suspect the real reason of 502 is because the user is root so I change all my js files ownership to

-rw-r--r--   1 apache apache    273 Nov 13 16:19 README.md

drwxr-xr-x   4 apache apache   4096 Nov 14 21:28 components

drwxr-xr-x   2 apache apache   4096 Nov 14 21:28 core

-rw-r--r--   1 apache apache    693 Nov 15 17:30 ecosystem.config.js

-rw-r--r--   1 apache apache    508 Nov 14 21:28 env.js

drwxr-xr-x 798 root   root    28672 Nov 15 21:40 node_modules

-rw-r--r--   1 apache apache 372088 Nov 15 21:40 package-lock.json

-rw-r--r--   1 apache apache   1971 Nov 14 21:28 package.json

-rw-r--r--   1 apache apache   1621 Nov 14 21:28 server.js

drwxr-xr-x   5 apache apache   4096 Nov 14 21:28 static

drwxr-xr-x   3 apache apache   4096 Nov 14 21:28 styles

I have expose the 8000 port on firewall-cmd as well add it to /etc/service. But it all failed.

Here is the nginx default conf (/etc/nginx/nginx.conf)

# For more information on configuration, see:

#   * Official English Documentation: http://nginx.org/en/docs/

#   * Official Russian Documentation: http://nginx.org/ru/docs/



user nginx;

worker_processes auto;

error_log /var/log/nginx/error.log;

pid /run/nginx.pid;



# Load dynamic modules. See /usr/share/nginx/README.dynamic.

include /usr/share/nginx/modules/*.conf;



events {

    worker_connections 1024;

}



http {

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '

                      '$status $body_bytes_sent "$http_referer" '

                      '"$http_user_agent" "$http_x_forwarded_for"';



    access_log  /var/log/nginx/access.log  main;



    sendfile            on;

    tcp_nopush          on;

    tcp_nodelay         on;

    keepalive_timeout   65;

    types_hash_max_size 2048;



    include             /etc/nginx/mime.types;

    default_type        application/octet-stream;



    # Load modular configuration files from the /etc/nginx/conf.d directory.

    # See http://nginx.org/en/docs/ngx_core_module.html#include

    # for more information.

    include /etc/nginx/conf.d/*.conf;



    upstream fam_upstream {

        server 127.0.0.1:3000;

        keepalive 64;

    }



    server {

        listen       80;

        listen       [::]:80 default_server;

        server_name  _;

        root         /var/www/html/laravel/public;

    index       index.php;

        # Load configuration files for the default server block.

        include /etc/nginx/default.d/*.conf;



        location / {

        try_files $uri $uri/ /index.php?$query_string;

        }



    location ~ [^/].php(/|$) {

                # include fastcgi.conf;

                fastcgi_split_path_info ^(.+.php)(/.+)$;

        if (!-f $document_root$fastcgi_script_name) {

                return 404;

        }

        fastcgi_pass 127.0.0.1:9000;

        fastcgi_index index.php;

                include fastcgi_params;

        # fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;

        fastcgi_param  SCRIPT_FILENAME   $document_root$fastcgi_script_name;

        }



        error_page 404 /404.html;

            location = /40x.html {

        }



        error_page 500 502 503 504 /50x.html;

            location = /50x.html {

        }

    }



# Settings for a TLS enabled server.

#

#    server {

#        listen       443 ssl http2 default_server;

#        listen       [::]:443 ssl http2 default_server;

#        server_name  _;

#        root         /usr/share/nginx/html;

#

#        ssl_certificate "/etc/pki/nginx/server.crt";

#        ssl_certificate_key "/etc/pki/nginx/private/server.key";

#        ssl_session_cache shared:SSL:1m;

#        ssl_session_timeout  10m;

#        ssl_ciphers HIGH:!aNULL:!MD5;

#        ssl_prefer_server_ciphers on;

#

#        # Load configuration files for the default server block.

#        include /etc/nginx/default.d/*.conf;

#

#        location / {

#        }

#

#        error_page 404 /404.html;

#            location = /40x.html {

#        }

#

#        error_page 500 502 503 504 /50x.html;

#            location = /50x.html {

#        }

#    }



}

For your information, this VPS has no domain name set yet. So it all run on regular http.

And here is conf for 8000 port

upstream fam-app {

    server <VPS_IP>:3000;

}



server {

    listen 8000;

    location / {

            proxy_set_header X-NginX-Proxy true;

        proxy_pass http://fam-app/;

            proxy_http_version 1.1;

            proxy_set_header Upgrade $http_upgrade;

            proxy_set_header Connection 'upgrade';

            proxy_set_header Host $host;

            proxy_cache_bypass $http_upgrade;

        proxy_set_header X-Real-IP $remote_addr;

        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        proxy_redirect off;

        proxy_max_temp_file_size 0;

        proxy_read_timeout 240s;



    }

}

Most solution shows how to run pm2 and nginx on Ubuntu but not much about Centos 7. What do you think?