nginx.conf

server {
  listen 80;
  listen [::]:80;

  listen 443 ssl;
  listen [::]:443 ssl;
  ssl_certificate /etc/ssl/certs/odex.ooo.crt;
  ssl_certificate_key /etc/ssl/private/odex.ooo.key;

  server_name odex.ooo www.odex.ooo;
  default_type text/html;
  root   /home/<username>/odex-frontend/build;
  index  index.html index.htm;

  if ($host == "www.odex.ooo") {
    rewrite ^(.*)$ https://odex.ooo$1 permanent;
  }

  location /api/ {
    proxy_http_version 1.1;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_pass http://localhost:8080/;
  }

  location /socket {
    proxy_http_version 1.1;
    proxy_set_header Host $host;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_pass http://localhost:8080/socket;
  }

  location / {
      # First attempt to serve request as file, then
      # as directory, then fall back to redirecting to index.html
      try_files $uri $uri/ /index.html;
  }

  # Media: images, icons, video, audio, HTC
  location ~* \.(?:jpg|jpeg|gif|png|ico|cur|gz|svg|svgz|mp4|ogg|ogv|webm|htc)$ {
    expires 1M;
    add_header Cache-Control "public";
  }

  # Javascript and CSS files
  location ~* \.(?:css|js)$ {
      try_files $uri =404;
      expires 1y;
      add_header Cache-Control "public";
  }

  # Any route containing a file extension (e.g. /devicesfile.js)
  location ~ ^.+\..+$ {
      try_files $uri =404;
  }
}