How to setup a working chroot in OS X?

I am making several websites on a single workstation, so I want to test them in more or less isolated environment.

Having some Linux background, I decided to make a chroot for each of these web apps. To be able to launch my app handlers from inside the chroot, I wanted to forward the visibility of /usr/local/bin to the chrooted container, but I fail to see a direct equivalent of mount --bind.

Is it at all possible to have a chroot with vanilla OS X, without FUSE or other keel extensions?

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