Q&A
前の質問で解決した、ふうなことをおっしゃっていますが、実際どういうことをしているのか、改めて示してもらえませんか？（第三者が再現可能なレベルの情報として。）
前提・実現したいこと
こちらの質問で、apt-getできないエラーを解決したのですが、その後、buildが進んでいくと、以下のようなエラーが現れてしまいました。このエラーの原因と、解決方法を知りたいです。
よろしくお願いします。
発生している問題・エラーメッセージ
The following NEW packages will be installed: libboost-dev libboost1.65-dev libviennacl-dev ocl-icd-opencl-dev opencl-c-headers 0 upgraded, 5 newly installed, 0 to remove and 9 not upgraded. Need to get 7625 kB of archives. After this operation, 124 MB of additional disk space will be used. Err:1 http://archive.ubuntu.com/ubuntu bionic/main amd64 libboost1.65-dev amd64 1.65.1+dfsg-0ubuntu5 Could not connect to archive.ubuntu.com:80 (91.189.88.152), connection timed out Could not connect to archive.ubuntu.com:80 (91.189.88.142), connection timed out Err:2 http://archive.ubuntu.com/ubuntu bionic/main amd64 libboost-dev amd64 1.65.1.0ubuntu1 Unable to connect to archive.ubuntu.com:http: Err:3 http://archive.ubuntu.com/ubuntu bionic/main amd64 opencl-c-headers all 2.2~2018.02.21-gb5c3680-1 Unable to connect to archive.ubuntu.com:http: Err:4 http://archive.ubuntu.com/ubuntu bionic/main amd64 ocl-icd-opencl-dev amd64 2.2.11-1ubuntu1 Unable to connect to archive.ubuntu.com:http: Err:5 http://archive.ubuntu.com/ubuntu bionic/universe amd64 libviennacl-dev all 1.7.1+dfsg1-2ubuntu1 Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/b/boost1.65.1/libboost1.65-dev_1.65.1+dfsg-0ubuntu5_amd64.deb Could not connect to archive.ubuntu.com:80 (91.189.88.152), connection timed out Could not connect to archive.ubuntu.com:80 (91.189.88.142), connection timed out E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/b/boost-defaults/libboost-dev_1.65.1.0ubuntu1_amd64.deb Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/k/khronos-opencl-headers/opencl-c-headers_2.2~2018.02.21-gb5c3680-1_all.deb Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/o/ocl-icd/ocl-icd-opencl-dev_2.2.11-1ubuntu1_amd64.deb Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/v/viennacl/libviennacl-dev_1.7.1+dfsg1-2ubuntu1_all.deb Unable to connect to archive.ubuntu.com:http: E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? The command '/bin/sh -c set -xe && git clone https://github.com/CMU-Perceptual-Computing-Lab/openpose && cd /usr/local/openpose && bash ./scripts/ubuntu/install_deps.sh && mkdir -p /usr/local/openpose/build && cd /usr/local/openpose/build && cmake .. && make -j${nproc} && make install' returned a non-zero code: 100
該当のソースコード
bash
1docker build -t openpose .
+ apt-get update
Err:1 https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64 InRelease
Could not connect to developer.download.nvidia.com:443 (152.199.39.144), connection timed out
Err:2 https://developer.download.nvidia.com/compute/machine-learning/repos/ubuntu1804/x86_64 InRelease
Unable to connect to developer.download.nvidia.com:https:
Err:3 http://archive.ubuntu.com/ubuntu bionic InRelease
Could not connect to archive.ubuntu.com:80 (91.189.88.152), connection timed out Could not connect to archive.ubuntu.com:80 (91.189.88.142), connection timed out
Err:4 http://security.ubuntu.com/ubuntu bionic-security InRelease
Could not connect to security.ubuntu.com:80 (91.189.91.38), connection timed out Could not connect to security.ubuntu.com:80 (91.189.91.39), connection timed out
Err:5 http://archive.ubuntu.com/ubuntu bionic-updates InRelease
Unable to connect to archive.ubuntu.com:http:
Err:6 http://archive.ubuntu.com/ubuntu bionic-backports InRelease
Unable to connect to archive.ubuntu.com:http:
Reading package lists...
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/bionic/InRelease Could not connect to archive.ubuntu.com:80 (91.189.88.152), connection timed out Could not connect to archive.ubuntu.com:80 (91.189.88.142), connection timed out
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/bionic-updates/InRelease Unable to connect to archive.ubuntu.com:http:
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/bionic-backports/InRelease Unable to connect to archive.ubuntu.com:http:
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/bionic-security/InRelease Could not connect to security.ubuntu.com:80 (91.189.91.38), connection timed out Could not connect to security.ubuntu.com:80 (91.189.91.39), connection timed out
W: Failed to fetch https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/InRelease Could not connect to developer.download.nvidia.com:443 (152.199.39.144), connection timed out
W: Failed to fetch https://developer.download.nvidia.com/compute/machine-learning/repos/ubuntu1804/x86_64/InRelease Unable to connect to developer.download.nvidia.com:https:
W: Some index files failed to download. They have been ignored, or old ones used instead.
+ apt-get install -y git sudo wget qtbase5-dev build-essential ffmpeg gdebi libopencv-dev
Reading package lists...
Building dependency tree...
Reading state information...
Package git is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package 'git' has no installation candidate
E: Unable to locate package sudo
E: Unable to locate package wget
E: Unable to locate package qtbase5-dev
E: Unable to locate package ffmpeg
E: Unable to locate package gdebi
E: Unable to locate package libopencv-dev
The command '/bin/sh -c set -xe && apt-get update && apt-get install -y git sudo wget qtbase5-dev build-essential ffmpeg gdebi libopencv-dev' returned a non-zero code: 100
前の質問でこのようなエラーが出て困っていたところ、「apt-getしている際に、リポジトリ接続で connection timed out しているので、おそらくコンテナから外に接続できていない、NW周りの設定を見直してみてください」と回答をいただき、記事を参考にしながら、dockerfileにプロキシを記述することで解決できるところまで辿り着きました。無事、上記のエラーの文言は消えて、質問内容は解決したのですが、ビルドの途中で、次は本質問のようなエラーが出てしまいました。
「dockerfileにプロキシを記述すること」が100人いたら100人とも同じやり方ではないと思うので、質問者さんがどう対処したかを知りたいわけです。たぶん、プロキシーの記述の仕方が適切でないんだと察するわけで。
ENV http_proxy=大学のやつ
ENV https_proxy=大学のやつ
ENV ftp_proxy=大学のやつ
この3行をdockerfile内のFROMより下に記述しました。
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