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setup-docker-compose

pjt222
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About

This skill configures Docker Compose for multi-container R development environments, handling service definitions, volumes, networking, and environment variables. Use it when running R alongside databases or APIs, or to create reproducible development setups. It helps orchestrate R-based services and manage development versus production configurations.

Quick Install

Claude Code

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git clone https://github.com/pjt222/agent-almanac.git ~/.claude/skills/setup-docker-compose

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Documentation

設 Docker Compose

為 R 多容開發與展之境配 Docker Compose。

用時

  • R 與他服(庫、API)並行乃用
  • 設可重之開發境乃用
  • 為 R 之 MCP 服容編排乃用
  • 管環境變與卷掛乃用

  • 必要:R 服之 Dockerfile
  • 必要:所掛之項目目
  • 可選:他服(庫、緩、網服)
  • 可選:環境變之配

第一步:立 docker-compose.yml

version: '3.8'

services:
  r-dev:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: r-dev
    image: r-dev:latest

    volumes:
      - .:/workspace
      - renv-cache:/workspace/renv/cache

    stdin_open: true
    tty: true

    environment:
      - TERM=xterm-256color
      - R_LIBS_USER=/workspace/renv/library
      - RENV_PATHS_CACHE=/workspace/renv/cache

    command: R

    restart: unless-stopped

volumes:
  renv-cache:
    driver: local

得:docker-compose.yml 存附 R 服之定,含項目目與 renv 緩之卷掛、與 R 庫徑之環境變。

敗則:YAML 語法誤,以 docker compose config 驗。確縮以空(非 tab),含特字之串值皆引。

第二步:增他服(若需)

services:
  r-dev:
    # ... as above
    depends_on:
      - postgres
    environment:
      - DB_HOST=postgres
      - DB_PORT=5432

  postgres:
    image: postgres:16
    container_name: r-postgres
    environment:
      POSTGRES_DB: analysis
      POSTGRES_USER: ruser
      POSTGRES_PASSWORD_FILE: /run/secrets/db_password
    volumes:
      - pgdata:/var/lib/postgresql/data
    ports:
      - "5432:5432"

volumes:
  renv-cache:
  pgdata:

得:他服(如 PostgreSQL)已定附其卷、環境變、端映。R 服有 depends_on 指新服。

敗則:庫服啟敗,察 docker compose logs postgres 之初誤。驗 POSTGRES_PASSWORD_FILE 等指有效之密,或為開發改 POSTGRES_PASSWORD

第三步:配網

為需 localhost 之服(如 MCP 服):

services:
  r-dev:
    network_mode: "host"

為隔之網:

services:
  r-dev:
    networks:
      - app-network
    ports:
      - "3000:3000"

networks:
  app-network:
    driver: bridge

得:網配宜:host 模為需 localhost 之服(MCP 服),或橋網附明端映為隔之服。

敗則:服不能通,驗皆於同網。橋網用服名為主機名(如 postgres,非 localhost)。host 模用 localhost 確端口無衝。

第四步:管環境變

.env 文件(git-ignored):

R_VERSION=4.5.0
GITHUB_PAT=your_token_here

於 compose 引:

services:
  r-dev:
    build:
      args:
        R_VERSION: ${R_VERSION}
    env_file:
      - .env

得:.env 文件存(git-ignored)附項目特之變,docker-compose.yml 引之以 env_file 或變插(${VAR})。

敗則:變不解,確 .envdocker-compose.yml 同目。行 docker compose config 觀解後之配。

第五步:建而行

# Build images
docker compose build

# Start services
docker compose up -d

# Attach to R session
docker compose exec r-dev R

# View logs
docker compose logs -f r-dev

# Stop services
docker compose down

得:諸服啟。R 會話可訪。

敗則:察 docker compose logs 之啟誤。常患:端口衝、缺環境變。

第六步:為開發立 override

docker-compose.override.yml 為本地開發設:

services:
  r-dev:
    volumes:
      - /path/to/local/packages:/extra-packages
    environment:
      - DEBUG=true

此自合於 docker-compose.yml

得:docker-compose.override.yml 存附開發特之設(額卷、調試旗),自施於 docker compose up

敗則:override 不效,驗文名確為 docker-compose.override.yml。行 docker compose config 確合。明 override 文件用 docker compose -f docker-compose.yml -f custom-override.yml up

  • docker compose build 成而無誤
  • docker compose up 啟諸服
  • 卷掛正共文件於主與容
  • 環境變於容內可得
  • 諸服可相通
  • docker compose down 潔止諸物

  • 卷掛之權:Linux 容或以 root 立文件。用 user: 指或修權
  • 端口衝:察主上既用同端之服
  • Docker Desktop vs CLIdocker compose(v2)vs docker-compose(v1)。用 v2
  • WSL 徑掛:自 WSL 掛 Windows 目用 /mnt/c/...
  • 命名卷 vs 綁掛:命名卷跨重建持;綁掛即映主之變

  • create-r-dockerfile — 立 compose 所引之 Dockerfile
  • containerize-mcp-server — MCP 服之 compose 配
  • optimize-docker-build-cache — 速 compose 之建

GitHub Repository

pjt222/agent-almanac
Path: i18n/wenyan/skills/setup-docker-compose
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