Dockerfiles in openvinotoolkit/docker_ci

bellsea · October 25, 2023, 4:03am

openvinotoolkit/docker_ci/blob/master/dockerfiles/ubuntu18/build_custom/Dockerfile

# Copyright (C) 2020-2022 Intel Corporation
# SPDX-License-Identifier: Apache-2.0
FROM ubuntu:18.04 AS setup_openvino

LABEL description="This is the dev image for Intel(R) Distribution of OpenVINO(TM) toolkit on Ubuntu 18.04 LTS"
LABEL vendor="Intel Corporation"

# hadolint ignore=DL3008
RUN apt-get update; \
    DEBIAN_FRONTEND=noninteractive \
    apt-get install -y --no-install-recommends \
        apt-utils \
        git \
        git-lfs \
        ca-certificates \
        sudo \
        tzdata; \
    rm -rf /var/lib/apt/lists/*

ARG OPENVINO_FORK="openvinotoolkit"

This file has been truncated. show original

Start from line 79.

The dockerfile.original is the original.
The dockerfile.fix is the fix.

Q1. Compare dockerfile.original with dockerfile.fix. Why don’t it use the dockerfile.fix method to build the docker image?
Are the dockerfile.original and dockerfile.fix same step to build docker image?

Q2. What is the purpose of doing this? (a chain of FROM xxx AS xxx)?

dockerfile.original

FROM ubuntu:18.04 AS copy_openvino
RUN cmd  (copy_openvino) ...

FROM copy_openvino AS openvino
RUN cmd  (openvino) ...

FROM openvino AS opencv
RUN cmd  (opencv) ...

FROM opencv as openvino_repo
RUN cmd  (openvino_repo) ...

dockerfile.fix
comment the redundant FROM xxx AS xxx

FROM ubuntu:18.04 AS copy_openvino
RUN cmd  (copy_openvino) ...

# FROM copy_openvino AS openvino
RUN cmd  (openvino) ...

# FROM openvino AS opencv
RUN cmd  (opencv) ...

# FROM opencv as openvino_repo
RUN cmd  (openvino_repo) ...

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Dockerfiles in openvinotoolkit/docker_ci

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