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docs/REVERSE_PROXIES.md

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+# Reverse Proxy
+
+This document will explain how to setup a reverse proxy for nginx/freenginx. Contributions for other reverse proxies are welcomed!
+
+## General prerequisites
+
+- A domain name pointed at your server e.g. `drawit.yourdomain.com`
+- Certbot installed for Let's Encrypt certificates (`sudo apt install certbot python3-certbot-nginx`)
+- Port-forwarding
+
+## nginx/freenginx
+
+### Prerequisites
+
+- nginx/freenginx installed e.g. `sudo apt install nginx`
+- A domain name pointed at your server e.g. `drawit.yourdomain.com`
+- Certbot installed for Let's Encrypt certificates (`sudo apt install certbot python3-certbot-nginx`)
+
+### Install the config file
+
+Copy the provided config and substitute your domain:
+
+```bash
+sudo cp docs/drawit.conf /etc/nginx/sites-available/drawit.conf # OR sudo cp docs/drawit.conf /etc/nginx/conf.d/drawit.conf
+sudo sed -i 's/your.domain.com/drawit.yourdomain.com/g' /etc/nginx/[sites-available|conf.d]/drawit.conf
+```
+
+Enable the site (older nginx versions <1.19):
+
+```bash
+sudo ln -s /etc/nginx/sites-available/drawit.conf /etc/nginx/sites-enabled/
+```
+
+Test and reload:
+
+```bash
+sudo nginx -t          # must print "syntax is ok"
+sudo nginx -s reload   # loads changes/new files
+```
+
+Visit your site `drawit.yourdomain.com` and see if it loads!