* Hack: standardized docker's build environment in a Dockerfile

Dockerfile

@@ -0,0 +1,30 @@
+# This file describes the standard way to build Docker, using docker
+docker-version 0.4.2
+from	ubuntu:12.04
+maintainer	Solomon Hykes <solomon@dotcloud.com>
+# Build dependencies
+run	apt-get install -y -q curl
+run	apt-get install -y -q git
+# Install Go
+run	curl -s https://go.googlecode.com/files/go1.1.1.linux-amd64.tar.gz | tar -v -C /usr/local -xz
+env	PATH	/usr/local/go/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin
+env	GOPATH	/go
+env	CGO_ENABLED 0
+run	cd /tmp && echo 'package main' > t.go && go test -a -i -v
+# Download dependencies
+run	PKG=github.com/kr/pty REV=27435c699;		 git clone http://$PKG /go/src/$PKG && cd /go/src/$PKG && git checkout -f $REV
+run	PKG=github.com/gorilla/context/ REV=708054d61e5; git clone http://$PKG /go/src/$PKG && cd /go/src/$PKG && git checkout -f $REV
+run	PKG=github.com/gorilla/mux/ REV=9b36453141c;	 git clone http://$PKG /go/src/$PKG && cd /go/src/$PKG && git checkout -f $REV
+# Run dependencies
+run	apt-get install -y iptables
+# lxc requires updating ubuntu sources
+run	echo 'deb http://archive.ubuntu.com/ubuntu precise main universe' > /etc/apt/sources.list
+run	apt-get update
+run	apt-get install -y lxc
+run	apt-get install -y aufs-tools
+# Upload docker source
+add	.       /go/src/github.com/dotcloud/docker
+# Build the binary
+run	cd /go/src/github.com/dotcloud/docker/docker && go install -ldflags "-X main.GITCOMMIT '??' -d -w"
+env	PATH	/usr/local/go/bin:/go/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin
+cmd	["docker"]