Rails on a bare metal server

nginx-site.conf

upstream puma {
  server 127.0.0.1:3000;
}

server {
    server_name  yolo.com;
    client_max_body_size 200m;
    gzip             on;
    gzip_comp_level  4;
    gzip_min_length  1000;
    gzip_proxied     expired no-cache no-store private auth;
    gzip_types       text/plain application/javascript application/json application/x-javascript text/xml text/css application/xml text/javascript;

    root /home/ubuntu/yolo.com;

    location / {
    	try_files $uri @app;
    }

    location @app {
      proxy_pass http://puma;

      proxy_headers_hash_max_size 102410;
      proxy_headers_hash_bucket_size 1024;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection "Upgrade";
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header X-Forwarded-Proto $scheme;
      proxy_set_header X-Forwarded-Proto https;
      proxy_set_header Host $http_host;
      proxy_redirect off;
    }

    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/yolo.com/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/yolo.com/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}


server {
    if ($host = yolo.com {
        return 301 https://$host$request_uri;
    } # managed by Certbot


    server_name  yolo.com;
    listen 80;
    return 404; # managed by Certbot
}

note.txt

sudo apt install mysql-server mysql-client libmysqlclient-dev
sudo apt install nginx
sudo apt install certbot python3-certbot-nginx

# /etc/systemd/system/puma.service

puma.service

[Unit]
Description=Puma HTTP Server
After=network.target

[Service]
Type=simple
User=root
Group=root
WorkingDirectory=/home/ubuntu/yolo.com
Environment=RAILS_ENV=production
Environment=WEB_CONCURRENCY=0
Environment=YOLO_DATABASE_PASSWORD=THIS_IS_A_PASSWORD

ExecStart=/home/ubuntu/.rbenv/shims/ruby /home/ubuntu/yolo.com/bin/rails server
Restart=always
KillMode=process

[Install]
WantedBy=multi-user.target