Caddyserver Proxy

This is a Docker image with a bare-bones Caddyserver.

It is meant to function as an SSL proxy to your intranet web services.

Caddyfiles

Usually, Caddyserver only supports one single Caddyfile for configuration. This Docker image contains a script which gathers all *.caddy files from the /data/caddy.d/ directory and concatenates them into one Caddyfile before launching the server.

This way you can keep your configuration clean.

Example

Here is a simple example to proxy my Subsonic via SSL:

subsonic.myhost.com {
    proxy / http://homeserver:4040/ {
        proxy_header Host subsonic.myhost.com
        proxy_header Scheme https
        # Enable if needed, e.g. for Wetty:
        #websocket
    }
}

This will accept HTTPS connections to subsonic.myhost.com on port 443 and forward them to http://homeserver:4040/.

Make sure that each of your configured services has a unique hostname so that Caddyserver can distinguish them.

Environment Variables

• CADDY_ARCH --- CPU architecture to use for Caddy, e.g. 386 or arm. Default: amd64
• DEFAULT_EMAIL --- The default email address to use for SSL certificate generation. Can be overridden in Caddyfiles with the tls directive.

Volumes

• /data --- holds the Caddyfiles and Logfile.