96 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
# Using a Reverse Proxy with HedgeDoc
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If you want to use a reverse proxy to serve HedgeDoc, here are the essential
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configs that you'll have to do.
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This documentation will cover HTTPS setup, with comments for HTTP setup.
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## HedgeDoc config
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[Full explanation of the configuration options](../configuration.md)
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| `config.json` parameter | Environment variable | Value | Example |
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|-------------------------|----------------------|-------|---------|
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| `domain` | `CMD_DOMAIN` | The full domain where your instance will be available | `hedgedoc.example.com` |
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| `host` | `CMD_HOST` | An ip or domain name that is only available to HedgeDoc and your reverse proxy | `localhost` |
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| `port` | `CMD_PORT` | An available port number on that IP | `3000` |
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| `path` | `CMD_PATH` | path to UNIX domain socket to listen on (if specified, `host` or `CMD_HOST` and `port` or `CMD_PORT` are ignored) | `/var/run/hedgedoc.sock` |
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| `protocolUseSSL` | `CMD_PROTOCOL_USESSL` | `true` if you want to serve your instance over SSL (HTTPS), `false` if you want to use plain HTTP | `true` |
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| `useSSL` |  | `false`, the communications between HedgeDoc and the proxy are unencrypted | `false` |
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| `urlAddPort` | `CMD_URL_ADDPORT` | `false`, HedgeDoc should not append its port to the URLs it links | `false` |
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| `hsts.enable` | `CMD_HSTS_ENABLE` | `true` if you host over SSL, `false` otherwise | `true` |
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## Reverse Proxy config
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### Generic
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The reverse proxy must allow websocket `Upgrade` requests at path `/sockets.io/`.
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It must pass through the scheme used by the client (http or https).
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### Nginx
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Here is an example configuration for Nginx.
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```
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map $http_upgrade $connection_upgrade {
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        default upgrade;
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        ''      close;
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}
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server {
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        server_name hedgedoc.example.com;
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        location / {
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                proxy_pass http://127.0.0.1:3000;
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                proxy_set_header Host $host; 
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                proxy_set_header X-Real-IP $remote_addr; 
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                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 
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                proxy_set_header X-Forwarded-Proto $scheme;
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        }
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        location /socket.io/ {
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                proxy_pass http://127.0.0.1:3000;
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                proxy_set_header Host $host; 
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                proxy_set_header X-Real-IP $remote_addr; 
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                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 
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                proxy_set_header X-Forwarded-Proto $scheme;
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                proxy_set_header Upgrade $http_upgrade;
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                proxy_set_header Connection $connection_upgrade;
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        }
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    listen [::]:443 ssl http2;
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    listen 443 ssl http2;
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    ssl_certificate fullchain.pem;
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    ssl_certificate_key privkey.pem;
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    include options-ssl-nginx.conf;
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    ssl_dhparam ssl-dhparams.pem;
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}
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```
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### Apache
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You will need these modules enabled: `proxy`, `proxy_http` and `proxy_wstunnel`.  
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Here is an example config snippet:
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```
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<VirtualHost *:443>
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  ServerName hedgedoc.example.com
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  RewriteEngine on
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  RewriteCond %{REQUEST_URI} ^/socket.io             [NC]
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  RewriteCond %{HTTP:Upgrade} =websocket [NC]
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  RewriteRule /(.*)  ws://127.0.0.1:3000/$1          [P,L]
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  ProxyPass / http://127.0.0.1:3000/
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  ProxyPassReverse / http://127.0.0.1:3000/
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  RequestHeader set "X-Forwarded-Proto" expr=%{REQUEST_SCHEME}
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  ErrorLog ${APACHE_LOG_DIR}/error.log
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  CustomLog ${APACHE_LOG_DIR}/access.log combined
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  SSLCertificateFile /etc/letsencrypt/live/hedgedoc.example.com/fullchain.pem
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  SSLCertificateKeyFile /etc/letsencrypt/live/hedgedoc.example.com/privkey.pem
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  Include /etc/letsencrypt/options-ssl-apache.conf
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</VirtualHost>
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```
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