Caddyfile

# Note: containers hostnames come from the docker compose.yaml file (the
# corresponding keyname in the `services` block)

# When running locally on localhost, Caddy will automatically use self-signed
# certs for https. Otherwise it will use the Let's Encrypt CA.
https://, http://, localhost {
    # root * /srv # not used - website comes from nodejs process

    # Logs all HTTP request headers
    # log {
    #        output stderr
    #        level info
    #        format json {
    #            time_key timestamp
    #            message_key message
    #            level_key level
    #        }
    #    }

    # Defines a named matcher for any request where "Upgrade" is _contained_ in
    # the Connection header and the Upgrade header is equal to "websocket".
    # Reverse proxy all matching requests to the websocket server
    @websockets {
        header Connection *Upgrade*
        header Upgrade    websocket
    }
    reverse_proxy @websockets python:8000

    # Reverse proxy http api calls to http server
    reverse_proxy /api/* python:9000
    #file_server /api/browse browse

    # Reverse proxy all other paths to nodejs server (frontend UI)
    reverse_proxy /* nodejs:3000
}