Gemini-CLIをDockerコンテナ内で限定して動作させてみる

            + ホストマシン(開発用パソコン等)にはNodejsをインストールさせたくない
+ Gemini-CLIはDocker内部で動作させ、グローバルインストールはしない
        

            $ lsb_release -a
No LSB modules are available.
Distributor ID:	Debian
Description:	Debian GNU/Linux 12 (bookworm)
Release:	12
Codename:	bookworm
        

            $ touch Dockerfile compose.yml .env
        

            FROM node:24-bookworm-slim

RUN apt update && apt upgrade -y

RUN apt install curl -y

ENV PS1="[\u@\h:\w]$"

CMD ["bash"]
        

            services:
  app:
    image: gemini-cli-dev:node24
    build: .
    container_name: gemini-cli-dev
    user: "node:node"
    environment:
      NODE_ENV: ${NODE_ENV}
    volumes:
      - ./:/usr/src/app
    working_dir: "/usr/src/app"
    tty: true
        

            NODE_ENV=development
        

            $ docker compose build
        

            $ docker compose up -d && docker compose exec app bash
#...コンテナ内にアタッチ
        

            {
    "name": "my-gemini",
    "version": "0.0.1",
    "description": "To learn gemini-cli",
    "private": true,
    "scripts": {}
}
        

            $ yarn add -D @google/gemini-cli
        

            {
//...
    "scripts": {
        //👇追加
        "gemini": "gemini",
//...
        

            $ yarn gemini --debug
        

            #...新しいターミナルで
$ docker compose up -d && docker compose exec app bash
#...コンテナ内にアタッチ
        

            $ curl -v "http://localhost:36375/oauth2*****"
*   Trying 127.0.0.1:36375...
* Connected to localhost (127.0.0.1) port 36375 (#0)
> GET /oauth2callback?state=******** HTTP/1.1
> Host: localhost:36375
> User-Agent: curl/7.88.1
> Accept: */*
> 
< HTTP/1.1 301 Moved Permanently
< Location: https://developers.google.com/gemini-code-assist/auth_success_gemini
< Date: Mon, 07 Jul 2025 05:45:01 GMT
< Connection: keep-alive
< Keep-Alive: timeout=5
< Transfer-Encoding: chunked
< 
* Connection #0 to host localhost left intact
        

            $ yarn gemini
        

            NODE_ENV=development
GEMINI_API_KEY=APIキーの値
        

            services:
  app:
    image: gemini-cli-dev:node24
    build: .
    container_name: gemini-cli-dev
    user: "node:node"
    environment:
      NODE_ENV: ${NODE_ENV}
      #👇追加
      GEMINI_API_KEY: ${GEMINI_API_KEY}
    volumes:
      - ./:/usr/src/app
    working_dir: "/usr/src/app"
    tty: true
        

            $ docker compose up -d && docker compose exec app bash
#コンテナ内にアタッチ
$ yarn gemini