diff --git a/docs/README.md b/docs/README.md
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+# Documentation and FAQ
+
+- [How to configure remark42 with nginx reverse proxy](nginx-proxy.md)
+- [How to configure remark42 without a subdomain](subdomain.md)
+- [Telegram notifications](telegram.md)
+ 
diff --git a/docs/nginx-proxy.md b/docs/nginx-proxy.md
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+## How to configure remark42 with nginx reverse proxy
+
+Example of nginx configuration (reverse proxy) running remark42 service on remark42.example.com
+
+```
+server {
+    listen      443;
+    server_name remark42.example.com;
+    ssl    on;
+    ssl_certificate        /etc/nginx/ssl/remark42.example.com.crt;
+    ssl_certificate_key    /etc/nginx/ssl/remark42.example.com.key;
+
+    gzip on;
+    gzip_types text/plain application/json text/css application/javascript application/x-javascript text/javascript text/xml application/xml application/rss+xml application/atom+xml application/rdf+xml;
+    gzip_min_length 1000;
+    gzip_proxied any;
+
+
+    location ~ /\.git {
+        deny all;
+    }
+
+    location /index.html {
+         proxy_redirect          off;
+         proxy_set_header        X-Real-IP $remote_addr;
+         proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
+         proxy_set_header        Host $http_host;
+         proxy_pass              http://remark42:8080/web/index.html;
+     }
+
+    location / {
+         proxy_redirect          off;
+         proxy_set_header        X-Real-IP $remote_addr;
+         proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
+         proxy_set_header        Host $http_host;
+         proxy_pass              http://remark42:8080/;
+    }
+
+    access_log   /var/log/nginx/remark42.log;
+
+}
+
+server {
+  listen 80;
+  server_name remark42.example.com;
+  return      301 https://remark42.example.com$request_uri;
+}
+```
+
+note: `proxy_pass` points to internal DNS name `remark42` and expected to run from the same compose. If nginx runs outside of compose the real IP (or docker's bridge IP) should be used
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diff --git a/docs/subdomain.md b/docs/subdomain.md
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+## How to configure remark42 without a subdomain
+
+All README examples show configurations with remark42 on its own subdomain, i.e. `https://remark42.example.com`. However, it is possible and sometimes desirable to run remark42 without a subdomain, but just under some path, i.e.  `https://example.com/remark42`.
+
+- The nginx.conf would then look something like:
+```
+  location /remark42/ {
+    rewrite /remark42/(.*) /$1 break;
+    proxy_pass http://remark42:8080/; // use internal docker name of remark42 container for proxy
+    proxy_set_header Host $http_host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $scheme;
+  }
+```
+
+- The frontend URL looks like this: `s.src = 'https://example.com/remark42/web/embed.js;`
+
+- The backend `REMARK_URL` parameter will be `https://example.com/remark42`
+
+- And you also need to slightly modify the callback URL for the social media login API's:
+  - Facebook Valid OAuth Redirect URIs: `https://example.com/remark42/auth/facebook/callback`
+  - Google Authorized redirect URIs: `https://example.com/remark42/auth/google/callback`
+  - Github Authorised callback URL: `https://example.com/remark42/auth/github/callback`
+  
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diff --git a/docs/telegram.md b/docs/telegram.md
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+## Telegram notifications
+
+In order to integrate notifications from remark42 with the [telegram](https://telegram.org), you should make [a channel](https://telegram.org/faq_channels) and obtain a token. This token should be used as `NOTIFY_TELEGRAM_TOKEN`. You also need to set `NOTIFY_TYPE=telegram` and set `NOTIFY_TELEGRAM_CHAN` to your channel. 
+
+In order to get token "just talk to [BotFather](https://core.telegram.org/bots#6-botfather)". All you need is to send `/newbot` command, choose bot name and the name for your bot (it must end in `bot`). This is it, you got a token. 
+
+_Example of such a "talk":_
+
+```
+Umputun:
+/newbot
+
+BotFather:
+Alright, a new bot. How are we going to call it? Please choose a name for your bot.
+
+Umputun:
+example_comments
+
+BotFather:
+Good. Now let's choose a username for your bot. It must end in `bot`. Like this, for example: TetrisBot or tetris_bot.
+
+Umputun:
+example_comments_bot
+
+BotFather:
+Done! Congratulations on your new bot. You will find it at t.me/example_comments_bot. You can now add a description, about section and profile picture for your bot, see /help for a list of commands. By the way, when you've finished creating your cool bot, ping our Bot Support if you want a better username for it. Just make sure the bot is fully operational before you do this.
+
+Use this token to access the HTTP API:
+12345678:xy778Iltzsdr45tg
+
+For a description of the Bot API, see this page: https://core.telegram.org/bots/api
+```