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Followed the deploy instructions; nginx throwing a 500 for rails app

Matt Bjornson asked in Servers

I'm not sure what happened, but I had a production environment/config working with nginx/passenger deployed on Digital Ocean. I am not seeing errors in log files, but nginx is throwing a 500 when I try to access the rails app.

sudo passenger-status

Version : 6.0.4
Date    : 2020-02-15 04:02:15 +0000
Instance: xfvpDfe9 (nginx/1.14.0 Phusion_Passenger/6.0.4)

----------- General information -----------
Max pool size : 6
App groups    : 1
Processes     : 2
Requests in top-level queue : 0

----------- Application groups -----------
/home/deploy/crispy-sniffle/current (production):
  App root: /home/deploy/crispy-sniffle/current
  Requests in queue: 0
  * PID: 5005    Sessions: 0       Processed: 2       Uptime: 16s
    CPU: 2%      Memory  : 61M     Last used: 4s ago
  * PID: 5028    Sessions: 0       Processed: 1       Uptime: 15s
    CPU: 2%      Memory  : 46M     Last used: 15s ago
        ```

        /etc/nginx/sites-enabled/crispy-sniffle
        ```
        server {
        listen 80;
        listen [::]:80;

        # SSL configuration
        #
        # listen 443 ssl default_server;
        # listen [::]:443 ssl default_server;
        #
        # Note: You should disable gzip for SSL traffic.
        # See: https://bugs.debian.org/773332
        #
        # Read up on ssl_ciphers to ensure a secure configuration.
        # See: https://bugs.debian.org/765782
        #
        # Self signed certs generated by the ssl-cert package
        # Don't use them in a production server!
        #
        # include snippets/snakeoil.conf;

        passenger_enabled on;
        #passenger_ruby /home/deploy/.rbenv/versions/2.7.0/bin/ruby;
        passenger_app_env production;
        root /home/deploy/crispy-sniffle/current/public;


        location /cable {
            passenger_app_group_name myapp_websocket;
            passenger_force_max_concurrent_requests_per_process 0;
        }
        # Add index.php to the list if you are using PHP
        #index index.html;

        server_name shapeandship.com www.shapeandship.com;
        # Allow uploads up to 100MB in size
        client_max_body_size 100m;

        location ~ ^/(assets|packs) {
            expires max;
            gzip_static on;
        }
                }
                ```
                /var/log/nginx/error.log
                ```
                [ N 2020-02-15 04:01:31.6096 4918/T1 age/Wat/WatchdogMain.cpp:1373 ]: Starting Passenger watchdog...
[ N 2020-02-15 04:01:31.6503 4930/T1 age/Cor/CoreMain.cpp:1340 ]: Starting Passenger core...
[ N 2020-02-15 04:01:31.6505 4930/T1 age/Cor/CoreMain.cpp:256 ]: Passenger core running in multi-application mode.
[ N 2020-02-15 04:01:31.6589 4930/T1 age/Cor/CoreMain.cpp:1015 ]: Passenger core online, PID 4930
[ N 2020-02-15 04:01:34.0365 4930/T5 age/Cor/SecurityUpdateChecker.h:519 ]: Security update check: no update found (next check in 24 hours)

I can see my browser hitting nginx in /var/log/nginx/access.log

196.52.2.101 - - [15/Feb/2020:03:45:46 +0000] "GET / HTTP/1.1" 500 2363 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13$
196.52.2.101 - - [15/Feb/2020:03:51:15 +0000] "GET / HTTP/1.1" 500 2363 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13$
196.52.2.101 - - [15/Feb/2020:03:53:23 +0000] "GET / HTTP/1.1" 500 2363 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13$
196.52.2.101 - - [15/Feb/2020:04:01:59 +0000] "GET / HTTP/1.1" 499 0 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.$
196.52.2.101 - - [15/Feb/2020:04:02:00 +0000] "GET / HTTP/1.1" 500 2363 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13$
196.52.2.101 - - [15/Feb/2020:04:02:12 +0000] "GET / HTTP/1.1" 500 2363 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13$

lastly /etc/nginx/conf.d/mod-http-passenger.conf

passenger_root /usr/lib/ruby/vendor_ruby/phusion_passenger/locations.ini;
#passenger_root /home/deploy/.rbenv/versions/2.7.0/lib/ruby/gems/2.7.0/gems/passenger-6.0.4;
passenger_ruby /home/deploy/.rbenv/versions/2.7.0/bin/ruby;

What am I doing wrong? Any help would greatly be appreciated.

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