Use nmap to scan hidden "onion" services on the Tor network. Minimal image based on alpine, using proxychains to wrap nmap. Tor and dnsmasq are run as daemons via s6, and proxychains wraps nmap to use the Tor SOCKS proxy on port 9050. Tor is also configured via DNSPort to anonymously resolve DNS requests to port 9053. dnsmasq is configured to with this localhost:9053 as an authority DNS server. Proxychains is configured to proxy DNS through the local resolver, so all DNS requests will go through Tor and applications can resolve .onion addresses. When the container boots, it launches Tor and dnsmasq as daemons. The tor_wait script then waits for the Tor SOCKS proxy to be up before executing your command.