Alpine Tor Docker Container

A minimal Docker image (~13MB) with the Tor daemon running in the background.

Supported Tags and Respective Dockerfile Links

• latest (/Dockerfile)

This Container Includes

• Tor.
• Dnsmasq to run DNS queries through Tor.
• ProxyChains-NG.
• proxychains_wrapper helper script. See below.

How to Use This Image

Download the Image

$ docker pull zuazo/alpine-tor

Run an Application Under Tor

$ docker run zuazo/alpine-tor wget -O- https://check.torproject.org/

The proxychains_wrapper Script

This helper script starts the Tor daemon and runs the command passed in the arguments.

/ # proxychains_wrapper -h
Usage:
  proxychains_wrapper [-h] [-u USER] COMMAND [...]

Example:

/ # proxychains_wrapper wget -O- https://check.torproject.org/

Creating Your Own Images

You can create your own images with the application that you want to run under Tor.

For example:

FROM zuazo/alpine-tor

RUN apk add --update \
      nmap && \
    rm -rf /var/cache/apk/* && \
    adduser -D -s /bin/sh nmap

ENTRYPOINT ["/usr/bin/proxychains_wrapper", "-u", "nmap", "nmap"]

Then build and run the image:

$ docker build -t <user>/nmap-tor .
$ docker run <user>/nmap-tor -sT -Pn -n -sV -p 21,22,80 scanme.nmap.org
Waiting for Tor to boot.............
[proxychains] config file found: /etc/proxychains/proxychains.conf
[proxychains] preloading /usr/lib/libproxychains4.so
[proxychains] DLL init: proxychains-ng 4.8.1

Starting Nmap 6.47 ( http://nmap.org ) at 2015-10-29 21:47 UTC
Nmap scan report for scanme.nmap.org (224.0.0.1)
Host is up (8.1s latency).
PORT   STATE  SERVICE VERSION
21/tcp closed ftp
22/tcp open   ssh     (protocol 2.0)
80/tcp open   http    Apache httpd 2.4.7 ((Ubuntu))

Service detection performed. Please report any incorrect results at http://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 19.04 seconds

Other Image Examples

Other images created from this image:

• irssi-tor

Adding New Proxies to ProxyChains

FROM zuazo/alpine-tor

RUN echo 'socks4 myproxy.example.com 8080' >> $PROXYCHAINS_CONF

Build from Sources

Instead of installing the image from Docker Hub, you can build the image from sources if you prefer:

$ git clone https://github.com/zuazo/alpine-tor-docker alpine-tor
$ cd alpine-tor
$ docker build -t zuazo/alpine-tor .

Read-only Environment Variables Used at Build Time

• DNSMASQ_CONF: Dnsmasq configuration file path.
• DNSMASQ_LOG_DIR: s6-log logs directory for the Dnsmasq daemon.
• PROXYCHAINS_CONF: ProxyChains configuration file path.
• TOR_CONF: Tor configuration file path.
• TOR_LOG_DIR: s6-log logs directory for the Tor daemon.