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diff --git a/docs/setup/reverse-proxy.md b/docs/setup/reverse-proxy.md new file mode 100644 index 00000000..8262100a --- /dev/null +++ b/docs/setup/reverse-proxy.md @@ -0,0 +1,69 @@ +# Using a Reverse Proxy with HedgeDoc + +If you want to use a reverse proxy to serve HedgeDoc, here are the essential +configs that you'll have to do. + +This documentation will cover HTTPS setup, with comments for HTTP setup. + +## HedgeDoc config + +[Full explaination of the configuration options](../configuration.md) + +| `config.json` parameter | Environment variable | Value | Example | +|-------------------------|----------------------|-------|---------| +| `domain` | `CMD_DOMAIN` | The full domain where your instance will be available | `hedgedoc.example.com` | +| `host` | `CMD_HOST` | An ip or domain name that is only available to HedgeDoc and your reverse proxy | `localhost` | +| `port` | `CMD_PORT` | An available port number on that IP | `3000` | +| `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` | +| `protocolUseSSL` | `CMD_PROTOCOL_USESSL` | `true` if you want to serve your instance over SSL (HTTPS), `false` if you want to use plain HTTP | `true` | +| `useSSL` | | `false`, the communications between HedgeDoc and the proxy are unencrypted | `false` | +| `urlAddPort` | `CMD_URL_ADDPORT` | `false`, HedgeDoc should not append its port to the URLs it links | `false` | +| `hsts.enable` | `CMD_HSTS_ENABLE` | `true` if you host over SSL, `false` otherwise | `true` | + + +## Reverse Proxy config + +### Generic + +The reverse proxy must allow websocket `Upgrade` requests at path `/sockets.io/`. + +It must pass through the scheme used by the client (http or https). + +### Nginx + +Here is an example configuration for Nginx. + +``` +map $http_upgrade $connection_upgrade { + default upgrade; + '' close; +} +server { + server_name hedgedoc.example.com; + + location / { + proxy_pass http://127.0.0.1:3000; + proxy_set_header Host $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; + } + + location /socket.io/ { + proxy_pass http://127.0.0.1:3000; + proxy_set_header Host $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; + proxy_set_header Upgrade $http_upgrade; + proxy_set_header Connection $connection_upgrade; + } + + listen [::]:443 ssl http2; + listen 443 ssl http2; + ssl_certificate fullchain.pem; + ssl_certificate_key privkey.pem; + include options-ssl-nginx.conf; + ssl_dhparam ssl-dhparams.pem; +} +``` |