RoR + NginX + Puma

nginx.conf

#/etc/nginx/sites-available/esrc-chita.ru

upstream esrc-chita.ru {
    server unix:///home/esrc/esrc-chita.ru/tmp/sockets/puma.sock;
}

server {
    listen 80 default_server;
    server_name esrc-chita.ru;
    return 301 https://esrc-chita.ru$request_uri;
    rewrite ^(.*) https://zaraki.ru$uri permanent;
}

server {
    listen 443 ssl;
    ssl on;
    server_name esrc-chita.ru;
    root /home/esrc/esrc-chita.ru/public;
    error_log /home/esrc/esrc-chita.ru/log/nginx_error.log error;
    access_log /home/esrc/esrc-chita.ru/log/nginx_access.log combined;
    client_max_body_size 128M;


    ssl_certificate      /etc/letsencrypt/live/esrc-chita.ru/fullchain.pem;
    ssl_certificate_key  /etc/letsencrypt/live/esrc-chita.ru/privkey.pem;
    ssl_protocols        TLSv1.2 TLSv1.1 TLSv1;

    ssl_session_cache           shared:SSL:20m;
    ssl_session_timeout         10m;

    ssl_ciphers                 'EECDH+ECDSA+AESGCM:AES128+EECDH:AES128+EDH:!RC4:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!CAMELLIA:!ADH';
    ssl_prefer_server_ciphers   on;
    resolver                    8.8.8.8 8.8.4.4 valid=300s;
    resolver_timeout            10s;
    ssl_stapling            on;

  location / {
    proxy_pass http://esrc-chita.ru;
    proxy_set_header Host $host;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Ssl on;
  }

    location ~* ^/(ckeditor_assets|assets|images|javascripts|stylesheets|system)/ {
      expires 1y;
        add_header Cache-Control public;
        add_header Last-Modified "";
        add_header ETag "";
        gzip_static on;
     }
}

puma.conf

#/etc/puma.conf

environment 'production'

app_path = '/home/esrc/esrc-chita.ru'

directory app_path
stdout_redirect "#{app_path}/log/puma.stdout.log", "#{app_path}/log/puma.stderr.log"
threads 5,5

bind "unix://#{app_path}/tmp/sockets/puma.sock"

puma.service

# /etc/systemd/system/puma.service
[Unit]
Description=Puma server
After=network.target

[Service]
ExecStart=/home/esrc/.rvm/bin/rvm-auto-ruby /home/esrc/.rvm/gems/ruby-2.3.1/bin/puma -C /etc/puma.conf

[Install]
WantedBy=multi-user.target