The following tags default to images based on ubuntu:14.04 (CPU), nvidia/cuda:8.0-runtime (v.2.x GPU) and nvidia/cuda:7.5-runtime (v.1.x GPU).
GPU (NVIDIA Docker is required)
2.0.beta7.0-runtime-gpu-python3.4-cuda8.0-cudnn5.1,latest(/ubuntu-14.04/version_2/2.0.beta7.0/gpu/runtime/Dockerfile)1.7.2-runtime-gpu-cuda7.5-cudnn5.1(/ubuntu-14.04/version_1/1.7.2/gpu/runtime/Dockerfile)
CPU
2.0.beta7.0-runtime-cpu-python3.4(/ubuntu-14.04/version_2/2.0.beta7.0/cpu/runtime/Dockerfile)1.7.2-runtime-cpu(/ubuntu-14.04/version_1/1.7.2/cpu/runtime/Dockerfile)