create docker image with ecs-cli-v2 installed

Dockerfile

FROM docker:19.03

RUN apk add --update \
    bash \
    git \
    openssh \
    python \
    python-dev \
    py-pip \
    build-base \
  && pip install virtualenv \
  && rm -rf /var/cache/apk/*

COPY ./local/ecs-preview-amd64 /usr/local/bin/ecs

CMD ["ecs"]

Makefile

build:
	git clone https://github.com/aws/amazon-ecs-cli-v2
	docker build -t aws/amazon-ecs-cli-v2 amazon-ecs-cli-v2
	docker create -ti --name amazon-ecs-cli-v2-builder aws/amazon-ecs-cli-v2
	docker cp amazon-ecs-cli-v2-builder:/aws-amazon-ecs-cli-v2/bin/local/ .
	chmod +x ./local/ecs-preview-amd64
	docker build .