{repo-name}
├── .devcontainer
│   ├── devcontainer.json
│   └── docker-compose.extend.yml
├── Dockerfile
├── Pipfile
├── docker-compose.yml
└── {tool-name}

# Python 3.8ならslim-busterがオススメらしい
# 参照: https://pythonspeed.com/articles/base-image-python-docker-images/
FROM python:3.8-slim-buster

# 環境変数とかを設定
ENV HOME /root
ENV TZ Asia/Tokyo
WORKDIR $HOME

# Pythonで利用するライブラリをいろいろinstall
# software-properties-commonとwgetは後段のclang 8のinstallに必要
RUN set -ex \
  && apt-get update \
  && apt-get install -y g++ git openssh-client wget libblas-dev liblapack-dev gnupg software-properties-common make

# clang 8のinstall
# numbaがllvmliteに依存しているので、clang 8系をまとめてinstall
RUN wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add - \
  && add-apt-repository "deb http://apt.llvm.org/buster/ llvm-toolchain-buster-8 main" \
  && apt-get update \
  && apt-get -y install clang-8 lldb-8 lld-8 gfortran

# llvm-configへのpathを登録
ENV LLVM_CONFIG=/usr/lib/llvm-8/bin/llvm-config

# host key情報をknown_hostsに記載
# 参照: https://gist.github.com/gregdeane/56a7499fddac7251f01dcc9bb64e8486
RUN mkdir -p -m 0600 ~/.ssh \
  && ssh-keyscan github.com >> ~/.ssh/known_hosts

# Pipenv のinstall
RUN pip3 --no-cache-dir install pipenv

# 開発したいレポジトリ名でディレクトリを作っておく.
RUN mkdir {repo-name}

[[source]]
url = "https://pypi.org/simple"
verify_ssl = true
name = "pypi"

[packages]
Cython = "*"
joblib = "*"
numpy = "*"
scipy = "*"
scikit-learn = "*"
lightgbm = "*"

[dev-packages]
nose = "*"
coverage ="*"
flake8 = "*"
isort = "*"
Sphinx = "*"
sphinx-autodoc-typehints = "*"
autopep8 = "*"
setuptools = "*"
mypy = "*"

[requires]
python_version = "3.8"

version: "3.7"
services:
  dev:
    build:
      context: .
      dockerfile: Dockerfile

version: "3.7"
services:
  dev:
    volumes:
      - ~/.ssh/id_rsa:/root/.ssh/id_rsa:ro
    command: sleep infinity

{
    # Workspaceの名前になる.
    "name": "{repo-name} DevEnv",

    # 設定ファイルのありかを指定する場合に使うルートディレクトリ.
    "context": ".",

    # docker-compose upで利用されるymlへのpathのリスト.順番厳守.
    "dockerComposeFile": [
        "../docker-compose.yml",
        "docker-compose.extend.yml"
    ],

    # 開発環境用のbuild設定が記載されたdocker-compse.yml上のservice名.
    "service": "dev",
    "shutdownAction": "stopCompose",

    # VSCodeのProjectになるroot directory.
    "workspaceFolder": "/root/{repo-name}",

    # Dockerのbuildが完了した際に実行するコマンド.ここでrepositoryのcloneとinstallを行う.
    "postCreateCommand": "git clone -b {branch name} {GitHub url} . && pipenv install --dev",

    # Remote Developmentで立ち上げた新たなVSCodeに適用する設定.
    "settings": {
        "autoDocstring.docstringFormat": "sphinx",
        "autoDocstring.guessTypes": false,
        "editor.formatOnSave": true,
        "editor.suggestSelection": "first",
        "git.autofetch": true,
        "git.confirmSync": false,
        "kite.showWelcomeNotificationOnStartup": false,
        "python.formatting.autopep8Args": [
            "--max-line-length=200"
        ],
        "python.linting.pylintEnabled": false,
        "python.linting.flake8Args": [
            "--max-line-length=200"
        ],
        "python.linting.flake8Enabled": true,
        "python.linting.mypyEnabled": true,
        "python.jediEnabled": false,
        "terminal.integrated.inheritEnv": false,
        "vsintellicode.modify.editor.suggestSelection": "automaticallyOverrodeDefaultValue"
    },

    # Remote環境で採用したい拡張機能のIDを登録しておくと、環境構築時に自動でinstallしてくれる.
    "extensions": [
        "ms-python.python",
        "njpwerner.autodocstring",
        "ms-azuretools.vscode-docker",
        "visualstudioexptteam.vscodeintellicode"
    ]
}