Can NOT run rails application on my server's IP address only runs at localhost:3000

Question

I deployed my rails application on the server with capistrano, nginx and puma, following this tutorial- https://www.digitalocean.com/community/tutorials/deploying-a-rails-app-on-ubuntu-14-04-with-capistrano-nginx-and-puma.

App is running fine in localhost:3000. I can also run on-> rails server --binding=My_IP I can see my app in action on-> http://My_IP:3000

When I browse http://My_IP , I saw welcome to nginx screen. But according to document, when I run - sudo rm /etc/nginx/sites-enabled/default sudo ln -nfs “/home/username/apps/appname/current/config/nginx.conf” “/etc/nginx/sites-enabled/appname” (Ofcourse I changed username and appname)

I can NOT connect to my server’s IP address (says Unable to connect… can’t establish a connection).

Nginx server is running. I also tried running with systemctl start nginx command.

May be something wrong with Puma? I can NOT connect my Puma web server to the Nginx reverse proxy? I am not sure.

I searched online, some people have puma.rb file but I don’t have(document does not mention). I just have Puma gem in my Gemfile. Do I need config/puma.rb file?

I have- Rails -v 4.2.5 Ruby -v 2.3.0

So my problem is I can NOT run my application on my servers IP address. App is only running default on localhost:3000 Is it problem with port 80? Puma is not connected to port 80?

I need help running my application in production.

Thank you.

vishdev · Answer

Hi Hansen,Thank you for your reply.Here is my nginx.conf file- upstream puma { server unix:///home/vish/apps/globe3/shared/tmp/sockets/globe3-puma.sock; } server { listen 80 default_server deferred; # server_name example.com; root /home/vish/apps/globe3/current/public; access_log /home/vish/apps/globe3/current/log/nginx.access.log; error_log /home/vish/apps/globe3/current/log/nginx.error.log info; location ^~ /assets/ { gzip_static on; expires max; add_header Cache-Control public; } try_files $uri/index.html $uri @puma; location @puma { proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_redirect off; proxy_pass http://puma; } error_page 500 502 503 504 /500.html; client_max_body_size 10M; keepalive_timeout 10; } sudo tail -10 /var/log/nginx/error.log 2017/07/28 06:48:14 [crit] 14839#14839: *33 connect() to unix:/home/vish/globe3/shared/sockets/puma.sock failed (2: No such file or directory) while connecting to upstream, client: 138.68.229.14, server: localhost, request: "GET /nginx_status HTTP/1.1", upstream: "http://unix:/home/vish/globe3/shared/sockets/puma.sock:/500.html", host: "138.68.229.14" 2017/07/28 06:48:40 [notice] 14879#14879: signal process started 2017/07/28 06:48:56 [crit] 14904#14904: *1 connect() to unix:/home/vish/globe3/shared/sockets/puma.sock failed (2: No such file or directory) while connecting to upstream, client: 24.6.255.25, server: localhost, request: "GET / HTTP/1.1", upstream: "http://unix:/home/vish/globe3/shared/sockets/puma.sock:/", host: "138.68.229.14" 2017/07/28 06:48:56 [crit] 14904#14904: *1 connect() to unix:/home/vish/globe3/shared/sockets/puma.sock failed (2: No such file or directory) while connecting to upstream, client: 24.6.255.25, server: localhost, request: "GET / HTTP/1.1", upstream: "http://unix:/home/vish/globe3/shared/sockets/puma.sock:/500.html", host: "138.68.229.14" 2017/07/28 06:48:57 [crit] 14904#14904: *1 connect() to unix:/home/vish/globe3/shared/sockets/puma.sock failed (2: No such file or directory) while connecting to upstream, client: 24.6.255.25, server: localhost, request: "GET / HTTP/1.1", upstream: "http://unix:/home/vish/globe3/shared/sockets/puma.sock:/", host: "138.68.229.14" 2017/07/28 06:48:57 [crit] 14904#14904: *1 connect() to unix:/home/vish/globe3/shared/sockets/puma.sock failed (2: No such file or directory) while connecting to upstream, client: 24.6.255.25, server: localhost, request: "GET / HTTP/1.1", upstream: "http://unix:/home/vish/globe3/shared/sockets/puma.sock:/500.html", host: "138.68.229.14" 2017/07/28 07:13:46 [crit] 14904#14904: *6 connect() to unix:/home/vish/globe3/shared/sockets/puma.sock failed (2: No such file or directory) while connecting to upstream, client: 24.6.255.25, server: localhost, request: "GET / HTTP/1.1", upstream: "http://unix:/home/vish/globe3/shared/sockets/puma.sock:/", host: "138.68.229.14" 2017/07/28 07:13:46 [crit] 14904#14904: *6 connect() to unix:/home/vish/globe3/shared/sockets/puma.sock failed (2: No such file or directory) while connecting to upstream, client: 24.6.255.25, server: localhost, request: "GET / HTTP/1.1", upstream: "http://unix:/home/vish/globe3/shared/sockets/puma.sock:/500.html", host: "138.68.229.14" 2017/07/28 07:13:48 [crit] 14904#14904: *6 connect() to unix:/home/vish/globe3/shared/sockets/puma.sock failed (2: No such file or directory) while connecting to upstream, client: 24.6.255.25, server: localhost, request: "GET / HTTP/1.1", upstream: "http://unix:/home/vish/globe3/shared/sockets/puma.sock:/", host: "138.68.229.14" 2017/07/28 07:13:48 [crit] 14904#14904: *6 connect() to unix:/home/vish/globe3/shared/sockets/puma.sock failed (2: No such file or directory) while connecting to upstream, client: 24.6.255.25, server: localhost, request: "GET / HTTP/1.1", upstream: "http://unix:/home/vish/globe3/shared/sockets/puma.sock:/500.html", host: "138.68.229.14"

Flamber Hansen · Answer

Hi @vishdev

Without seeing the content of the Nginx site configuration that you link to, then it’s difficult to know what’s going on. So post this file:

/home/username/apps/appname/current/config/nginx.conf

And also post the last 10 lines from your Nginx error log:

tail -10 /var/log/nginx/error.log

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Can NOT run rails application on my server's IP address only runs at localhost:3000

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