docker-composeでBuildKitを使う

ビルドコマンド

• https://stackoverflow.com/questions/58592259/how-do-you-enable-buildkit-with-docker-compose

DOCKER_BUILDKIT=1 COMPOSE_DOCKER_CLI_BUILD=1 docker-compose build

Dockerfile

• https://www.docker.com/blog/introduction-to-heredocs-in-dockerfiles/

# syntax=docker/dockerfile:1.3-labs