Created Apache proxy setup (markdown)

Apache-proxy-setup.md

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+I've assumed you have created a DNS A record for `trilium.yourdomain.com` that you want to use for your trilium server.
+
+1. Download docker image and create container
+		
+		docker pull zadam/trilium:[VERSION]
+		
+		docker create --name trilium -t -p 8080:8080 -v ~/trilium-data:/root/trilium-data zadam/trilium:[VERSION]
+
+1. Configure Apache proxy and websocket proxy
+	1. Enable apache proxy modules
+	
+			a2enmod ssl
+			a2enmod proxy
+			a2enmod proxy_http
+			a2enmod proxy_wstunnel
+			
+	2. Create a new let's encrypt certificate
+		
+			sudo certbot certonly -d trilium.mydomain.com
+		
+		Choose standalone (2) and note the location of the created certificates (typically /etc/letsencrypt/live/...)
+
+	3. Create a new virtual host file for apache (you may want to use `apachectl -S` to determine the server root location, mine is /etc/apahce2)
+	
+			sudo nano /etc/apache2/sites-available/trilium.yourdomain.com.conf
+			
+		Paste (and customize) the following text into the configuration file
+		
+			<VirtualHost *:80>
+			    ServerName http://trilium.yourdomain.com
+				RewriteEngine on
+			        RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,QSA,R=permanent]
+			</VirtualHost>
+			<VirtualHost *:443>
+			    ServerName https://trilium.yourdomain.com
+			    RewriteEngine On
+				RewriteCond %{HTTP:Connection} Upgrade [NC]
+				RewriteCond %{HTTP:Upgrade} websocket [NC]
+				RewriteRule /(.*) ws://localhost:8080/$1 [P,L]
+			    ProxyPass / http://localhost:8080/
+			    ProxyPassReverse / http://localhost:8080/
+			    SSLCertificateFile /etc/letsencrypt/live/trilium.yourdomain.com/fullchain.pem
+			    SSLCertificateKeyFile /etc/letsencrypt/live/trilium.yourdomain.com/privkey.pem
+			    Include /etc/letsencrypt/options-ssl-apache.conf
+			</VirtualHost>
+			
+			
+	4. Enable the virtual host with `sudo a2ensite trilium.yourdomain.com.conf`
+	5. Reload apache2 with `sudo systemctl reload apache2`
+	
+1. Create and enable a systemd service to start the docker container on boot
+	1. Create a new empty file called `/lib/systemd/system/trilium.service` with the contents
+	
+			[Unit]
+			Description=Trilium Server
+			Requires=docker.service
+			After=docker.service
+				
+			[Service]
+			Restart=always
+			ExecStart=/usr/bin/docker start -a trilium
+			ExecStop=/usr/bin/docker stop -t 2 trilium
+				
+			[Install]
+			WantedBy=local.target
+	
+	2. Install, enable and start service
+		 
+			sudo systemctl daemon-reload
+			sudo systemctl enable trilium.service
+			sudo systemctl start trilium.service