bazel build tensorflow/python/tools:freeze_graph
bazel-bin/tensorflow/python/tools/freeze_graph \
 --input_graph=/tmp/model/my_graph.pb \
 --input_checkpoint=/tmp/model/model.ckpt-1000 \
 --output_graph=/tmp/frozen_graph.pb \
 --input_node_names=input_node \
 --output_node_names=output_node