Build speed test

[gaocegege]

test bench:

def build():
    base(os="ubuntu20.04", language="python")
    install.python_packages(requirements="requirements.txt")
    install.system_packages(name=["screenfetch"])

tensorflow
numpy

Base image pull: 30s
conda install: 39s
conda install cache pull: 7s
conda create env: 35s
apt install screenfetch: 35s
pip install tf, numpy: 416s
export: 46s

[gaocegege]

[Xuanwo]

Cool!

[gaocegege]

[gaocegege]

[gaocegege]

[gaocegege]

[gaocegege]

[shaonianche]

[kemingy]

Thanks.