A developer in your team deployed his application in Google Container Engine using the Dockerfile provided below. They have noticed that the application deployments are taking longer than desired. FROM ubuntu:16.03 COPY . /src RUN apt-get update && apt-get install -y python python-pip RUN pip installl -r requirements.txt Which two actions should you take to optimize this Dockerfile for faster deployment times without adversely affecting the app's functionality? (Choose two.)