Add guide how to use DocumentServer and NPM

Author: danilapog

nginx-proxy-manager/README.md

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+# 🚀 Deploying an Application Behind Nginx Proxy Manager
+
+This guide will help you deploy ONLYOFFICE DocumentServer behind [Nginx Proxy Manager (NPM)](https://nginxproxymanager.com/) using `docker-compose`. NPM provides a simple web interface to configure HTTP/HTTPS proxying, including automatic SSL certificate provisioning via Let's Encrypt.
+
+## 🧰 What's Included
+
+- `docker-compose.yml` — for launching the DocumentServer and Nginx Proxy Manager
+- `README.md` — this setup guide
+
+---
+
+## 📦 Quick Start
+
+1. **Clone the repository:**
+
+   ```bash
+   git clone https://github.com/ONLYOFFICE/document-server-proxy.git
+   cd ./document-server-proxy/nginx-proxy-manager
+   ```
+
+2. **Launch the containers:**
+
+   ```bash
+   docker compose up -d
+   ```
+
+3. **Access NPM's Web Interface:**
+
+   Default URL:
+   ```
+   http://<your-IP>:81
+   ```
+
+   **Default Login:**
+
+   - Email: `[email protected]`
+   - Password: `changeme`
+
+   You will be prompted to change these on first login.
+   Also, please check [NPM github](https://github.com/NginxProxyManager/nginx-proxy-manager) repo to get more details about how this product works
+
+---
+
+## 🌐 Configuring Proxy in NPM
+
+After logging into the NPM dashboard:
+
+1. Go to the **"Proxy Hosts"** tab
+2. Click **"Add Proxy Host"**
+3. Fill in the following:
+
+   **Domain Names:**
+   ```
+   example.com
+   ```
+
+   or some ip, for example:
+
+   ```
+   129.1.2.3
+   ```
+
+   **Forward Hostname / IP:**
+   ```
+   <DocumentServer address, in this docker-compose stand that should be 'onlyoffice-documentserver'>
+   ```
+
+   **Forward Port:**
+   ```
+   80
+   ```
+
+   Optional Settings:
+   - **Enable Websockets Support** — Should be enabled! ONLYOFFICE DocumentServer use websocket
+   - **Block Common Exploits** — recommended
+
+4. Go to the **SSL** tab:
+
+   - Choose **"Request a new SSL Certificate"**
+   - Enable the following:
+     - **Force SSL**
+     - **HTTP/2 Support**
+     - **HSTS Enabled**
+   - Accept the Let's Encrypt Terms of Service
+
+5. Click **Save**
+
+---
+
+## ✅ Benefits of Using Nginx Proxy Manager
+
+- 📋 **User-friendly web UI** — no need to edit configs manually
+- 🔐 **HTTPS support (Let's Encrypt)** — automatic and free SSL certificates
+- 🔁 **Flexible proxying** — by IP, domain, WebSocket-ready
+- 📈 **Logging and monitoring** — built-in request logs
+- 💡 **Minimal setup effort** — ideal for quick dev/test deployment
+

nginx-proxy-manager/docker-compose.yaml

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+services:
+  nginx-proxy-manager:
+    image: 'docker.io/jc21/nginx-proxy-manager:latest'
+    restart: unless-stopped
+    ports:
+      - '80:80'
+      - '81:81'
+      - '443:443'
+    volumes:
+      - ./data:/data
+      - ./letsencrypt:/etc/letsencrypt
+  onlyoffice-documentserver:
+    container_name: onlyoffice-documentserver
+    image: onlyoffice/documentserver:latest
+    depends_on:
+      - onlyoffice-postgresql
+      - onlyoffice-rabbitmq
+    environment:
+      - DB_TYPE=postgres
+      - DB_HOST=onlyoffice-postgresql
+      - DB_PORT=5432
+      - DB_NAME=onlyoffice
+      - DB_USER=onlyoffice
+      - AMQP_URI=amqp://guest:guest@onlyoffice-rabbitmq
+      # Uncomment strings below to enable the JSON Web Token validation.
+      #- JWT_ENABLED=true
+      #- JWT_SECRET=secret
+      #- JWT_HEADER=Authorization
+      #- JWT_IN_BODY=true
+    stdin_open: true
+    restart: always
+    expose:
+      - '80'
+    stop_grace_period: 60s
+    volumes:
+       - /var/www/onlyoffice/Data
+       - /var/log/onlyoffice
+       - /var/lib/onlyoffice/documentserver/App_Data/cache/files
+       - /var/www/onlyoffice/documentserver-example/public/files
+       - /usr/share/fonts
+       
+  onlyoffice-rabbitmq:
+    container_name: onlyoffice-rabbitmq
+    image: rabbitmq
+    restart: always
+    expose:
+      - '5672'
+
+  onlyoffice-postgresql:
+    container_name: onlyoffice-postgresql
+    image: postgres:12
+    environment:
+      - POSTGRES_DB=onlyoffice
+      - POSTGRES_USER=onlyoffice
+      - POSTGRES_HOST_AUTH_METHOD=trust
+    restart: always
+    expose:
+      - '5432'
+    volumes:
+      - postgresql_data:/var/lib/postgresql
+
+volumes:
+  postgresql_data: