Tag nightly/dev edition Firefox images as such

[l0b0]

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Image(s): All Firefox images
Docker-Selenium Image Version(s): N/A
Docker Version: N/A
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When building for example dev edition Firefox with make BUILD_ARGS='--build-arg FIREFOX_VERSION=devedition' firefox the resulting image is tagged as "selenium/node-firefox:3.9.1-actinium". This is confusing, and makes it difficult to know whether I am actually using the right image.

[ddavison]

how about something like this:

VERSION=devedition-3.9.1 make BUILD_ARGS='--build-arg FIREFOX_VERSION=devedition' firefox
# this would produce
#   selenium/node-firefox:devedition-3.9.1

right now, the Makefile doesn't allow the customization of the image name. you could always fall back to a raw docker build command :)