{"id":1055,"date":"2025-01-22T10:02:13","date_gmt":"2025-01-22T01:02:13","guid":{"rendered":"https:\/\/route-zero.com\/recruit\/route\/1055\/"},"modified":"2025-03-07T11:11:29","modified_gmt":"2025-03-07T02:11:29","slug":"1055","status":"publish","type":"route","link":"https:\/\/route-zero.com\/recruit\/route\/1055\/","title":{"rendered":"\u30102025\u5e74\u6700\u65b0\u3011Python\u00d7Docker\u00d7OpenAI API\u3067AI\u30c1\u30e3\u30c3\u30c8\u3092\u4f5c\u308b\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"
\n

\u306f\u3058\u3081\u306b<\/h2>\n

AI\u6280\u8853\u3092\u5b66\u3076\u306a\u3089\u3001Python\u3068OpenAI API\u306f\u5916\u305b\u307e\u305b\u3093\u3002
\u3067\u3082\u3001\u300c\u74b0\u5883\u69cb\u7bc9\u304c\u9762\u5012<\/strong>\u300d\u300cAPI\u306e\u5b9f\u88c5\u65b9\u6cd5\u304c\u5206\u304b\u3089\u306a\u3044<\/strong>\u300d\u3068\u60a9\u3080\u4eba\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n

\u305d\u3053\u3067\u4eca\u56de\u306f\u3001Docker\u3092\u4f7f\u3063\u3066AI\u30c1\u30e3\u30c3\u30c8\u958b\u767a\u74b0\u5883\u3092\u69cb\u7bc9<\/strong>\u3057\u3001OpenAI API\u3068\u9023\u643a\u3059\u308b\u30c1\u30e3\u30c3\u30c8\u30a2\u30d7\u30ea<\/strong>\u3092\u4f5c\u308b\u624b\u9806\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002
\u5b9f\u969b\u306b\u52d5\u304f\u30b3\u30fc\u30c9\u4e00\u5f0f\u3082\u516c\u958b<\/strong>\u3059\u308b\u306e\u3067\u3001\u30b3\u30d4\u30da\u3067\u8a66\u305b\u307e\u3059\uff01<\/p>\n

\u5b9f\u884c\u74b0\u5883\u69cb\u7bc9<\/h2>\n

1. \u76ee\u6307\u3059\u69cb\u6210\u3068\u30d5\u30a9\u30eb\u30c0\u69cb\u6210<\/h3>\n

\u307e\u305a\u306f\u5b8c\u6210\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u3002
\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5fc5\u8981\u30d5\u30a1\u30a4\u30eb\u3092\u6574\u7406<\/strong>\u3057\u3066\u304a\u304f\u3068\u3001Docker\u3067\u4e00\u62ec\u7ba1\u7406\u3067\u304d\u3066\u4fbf\u5229\u3067\u3059\u3002<\/p>\n

project-root\/\r\n\u251c\u2500\u2500 docker-compose.yml\r\n\u251c\u2500\u2500 Dockerfile\r\n\u251c\u2500\u2500 requirements.txt\r\n\u251c\u2500\u2500 .env\r\n\u251c\u2500\u2500 app\/\r\n\u2502   \u251c\u2500\u2500 main.py          # FastAPI\u30b5\u30fc\u30d0\u30fc<\/span>\r\n\u2502   \u251c\u2500\u2500 chat_logic.py     # OpenAI API\u547c\u3073\u51fa\u3057\u51e6\u7406<\/span>\r\n\u2502   \u251c\u2500\u2500 static<\/span>\/\r\n\u2502   \u2502   \u251c\u2500\u2500 index.html    # \u30c1\u30e3\u30c3\u30c8UI<\/span>\r\n\u2502   \u2502   \u251c\u2500\u2500 script.js     # \u30e1\u30c3\u30bb\u30fc\u30b8\u9001\u4fe1\u51e6\u7406<\/span>\r\n\u2502   \u2502   \u2514\u2500\u2500 style.css     # \u5fc5\u8981\u306a\u3089\u30b9\u30bf\u30a4\u30eb<\/span><\/code><\/pre>\n
\n
2. Dockerfile\uff08Python\u74b0\u5883\u69cb\u7bc9\uff09<\/h3>\n
Dockerfile\u3067\u306f\u3001Python3.11\u306e\u516c\u5f0f\u30a4\u30e1\u30fc\u30b8\u3092\u4f7f\u3063\u3066\u3001\u5fc5\u8981\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3002
app\/\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u30b3\u30f3\u30c6\u30ca\u306b\u30b3\u30d4\u30fc\u3059\u308b\u3053\u3068\u3067\u3001\u30db\u30b9\u30c8\u5074\u3068\u30b3\u30f3\u30c6\u30ca\u5074\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u540c\u671f<\/strong>\u3057\u307e\u3059\u3002<\/p>\n
FROM python:3.11<\/span>\r\n\r\nWORKDIR \/app\r\n\r\nCOPY requirements.txt .\r\nRUN pip install -r requirements.txt\r\n\r\nCOPY app \/app\r\n\r\nCMD [\"python\"<\/span>, \"main.py\"<\/span>]<\/code><\/pre>\n
Docker\u306e\u5c0e\u5165\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u95a2\u9023\u8a18\u4e8b\u3088\u308a\u78ba\u8a8d\u3044\u305f\u3060\u3051\u307e\u3059\uff01<\/p>\n
\u2192Docker\u306b\u95a2\u3059\u308b\u8a18\u4e8b<\/h3>\n
Docker\u3067Python Flask\u30a2\u30d7\u30ea\u3092\u7c21\u5358\u306b\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5<\/a><\/p>\n
Docker + Spring Boot \u3067\u624b\u8efd\u306b\u958b\u767a\u74b0\u5883\u3092\u69cb\u7bc9\u3057\u3088\u3046\uff01<\/a><\/p>\n
\n
3. docker-compose.yml\uff08\u74b0\u5883\u5909\u6570\u3084\u30dd\u30fc\u30c8\u8a2d\u5b9a\uff09<\/h3>\n
docker-compose.yml\u3067\u3001\u74b0\u5883\u5909\u6570\uff08API\u30ad\u30fc\uff09\u3084\u30dc\u30ea\u30e5\u30fc\u30e0\u8a2d\u5b9a\u3001\u30dd\u30fc\u30c8\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u5b9a\u7fa9\u3002
docker-compose up –build\u3060\u3051\u3067\u3001\u74b0\u5883\u69cb\u7bc9\u304b\u3089\u5b9f\u884c\u307e\u3067\u4e00\u767a<\/strong>\u3067\u884c\u3048\u307e\u3059\u3002<\/p>\n
version:<\/span> '3'<\/span>\r\nservices:<\/span>\r\n  python-ai:<\/span>\r\n    build:<\/span> .\r\n    container_name:<\/span> python-ai-server\r\n    environment:<\/span>\r\n      OPENAI_API_KEY:<\/span> ${OPENAI_API_KEY}\r\n    volumes:<\/span>\r\n      - .\/app:<\/span>\/app\r\n    working_dir:<\/span> \/app\r\n    ports:<\/span>\r\n      - \"8080:8080\"<\/span>\r\n    command:<\/span> [\"python\"<\/span>, \"main.py\"<\/span>]<\/code><\/pre>\n
\n
4. requirements.txt<\/h3>\n
\u5fc5\u8981\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u307e\u3068\u3081\u3066\u7ba1\u7406\u3002Python\u306eAI\u958b\u767a\u3067\u306fopenai, fastapi, uvicorn<\/strong>\u304c\u5fc5\u9808\u3067\u3059\u3002<\/p>\n
openai\r\nfastapi\r\nuvicorn<\/code><\/pre>\n
\n
5. .env\uff08API\u30ad\u30fc\u7ba1\u7406\uff09<\/h3>\n
API\u30ad\u30fc\u306f\u30b3\u30fc\u30c9\u306b\u76f4\u63a5\u66f8\u304b\u305a<\/strong>\u3001.env\u306b\u307e\u3068\u3081\u3066\u7ba1\u7406\u3059\u308b\u306e\u304c\u5b89\u5168\u3067\u3059\u3002
\u3053\u306eAPI\u30ad\u30fc\u306f\u3001\u4e8b\u524d\u306bOpenAI\u306e\u516c\u5f0f\u30b5\u30a4\u30c8\u3067\u767a\u884c\u3057\u3066\u304a\u304f\u5fc5\u8981<\/strong>\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
OPENAI_API_KEY=sk-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx<\/code><\/pre>\n
API\u30ad\u30fc\u767a\u884c\u624b\u9806\uff08\u88dc\u8db3\uff09<\/h3>\n
    \n
  1. \n
    OpenAI\u306e\u516c\u5f0f\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9
    https:\/\/platform.openai.com\/signup<\/a><\/p>\n<\/li>\n
  2. \n
    \u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f5c\u6210\uff08Google\u30a2\u30ab\u30a6\u30f3\u30c8\u9023\u643a\u306a\u3069\u3082\u53ef\uff09<\/p>\n<\/li>\n
  3. \n
    \u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u30ed\u30b0\u30a4\u30f3\u5f8c\u3001\u753b\u9762\u53f3\u4e0a\u306e\u300c\u30a2\u30ab\u30a6\u30f3\u30c8\u30a2\u30a4\u30b3\u30f3\u300d\u2192\u300cAPI Keys\u300d\u3092\u9078\u629e<\/p>\n<\/li>\n
  4. \n
    \u300cCreate new secret key\u300d\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u3066\u3001\u65b0\u3057\u3044API\u30ad\u30fc\u3092\u767a\u884c<\/p>\n<\/li>\n
  5. \n
    \u767a\u884c\u3055\u308c\u305f\u30ad\u30fc\u3092\u30b3\u30d4\u30fc\u3057\u3066\u3001.env\u30d5\u30a1\u30a4\u30eb\u306b\u8cbc\u308a\u4ed8\u3051<\/p>\n<\/li>\n<\/ol>\n
    \u6ce8\u610f<\/h3>\n
      \n
    1. \n
      API\u30ad\u30fc\u306f\u4e00\u5ea6\u3057\u304b\u8868\u793a\u3055\u308c\u306a\u3044<\/strong>\u306e\u3067\u3001\u5fd8\u308c\u305a\u306b\u30b3\u30d4\u30fc\uff06\u4fdd\u5b58\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n
    2. \n
      \u3082\u3057\u6f0f\u6d29\u3057\u305f\u5834\u5408\u306f\u3001\u300cRevoke\uff08\u7121\u52b9\u5316\uff09\u300d\u3057\u3066\u65b0\u3057\u3044\u30ad\u30fc\u3092\u767a\u884c\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/li>\n<\/ol>\n
      \n
      6. FastAPI\u30b5\u30fc\u30d0\u30fc\uff08main.py\uff09<\/h3>\n
      FastAPI\u3067\u30d0\u30c3\u30af\u30a8\u30f3\u30c9API\u3092\u69cb\u7bc9\u3002
      \u30dd\u30a4\u30f3\u30c8\u306fCORS\u8a2d\u5b9a<\/strong>\u3068\u3001\/static\u3067HTML\/JS\u3092\u76f4\u63a5\u63d0\u4f9b<\/strong>\u3059\u308b\u3053\u3068\u3002
      \u3055\u3089\u306b\/chat\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3067\u3001OpenAI API\u3068\u306e\u3084\u308a\u3068\u308a\u3092\u62c5\u5f53\u3057\u307e\u3059\u3002<\/p>\n
      import<\/span> os\r\nimport<\/span> sys\r\nimport<\/span> uvicorn\r\nfrom<\/span> fastapi import<\/span> FastAPI, Request\r\nfrom<\/span> fastapi.staticfiles import<\/span> StaticFiles\r\nfrom<\/span> fastapi.middleware.cors import<\/span> CORSMiddleware\r\n\r\nsys.path.append(os.path.dirname(__file__))\r\nfrom<\/span> chat_logic import<\/span> process_message\r\n\r\napp = FastAPI()\r\napp.add_middleware(\r\n    CORSMiddleware, allow_origins=[\"*\"<\/span>], allow_methods=[\"*\"<\/span>], allow_headers=[\"*\"<\/span>]\r\n)\r\napp.mount(\"\/static\"<\/span>, StaticFiles(directory=\"static\"<\/span>), name=\"static\"<\/span>)\r\n\r\nmessages = [{\"role\"<\/span>: \"system\"<\/span>, \"content\"<\/span>: \"\u3042\u306a\u305f\u306f\u89aa\u5207\u306aAI\u30a2\u30b7\u30b9\u30bf\u30f3\u30c8\u3067\u3059\u3002\"<\/span>}]\r\n\r\n@app.post(\"\/chat\")<\/span>\r\nasync<\/span> def<\/span> chat<\/span>(request: Request)<\/span>:<\/span>\r\n    data = await<\/span> request.json()\r\n    user_message = data.get(\"message\"<\/span>)\r\n    reply = process_message(user_message, messages)\r\n    return<\/span> {\"reply\"<\/span>: reply}\r\n\r\nif<\/span> __name__ == \"__main__\"<\/span>:\r\n    uvicorn.run(\"main:app\"<\/span>, host=\"0.0.0.0\"<\/span>, port=8080<\/span>, reload=True<\/span>)<\/code><\/pre>\n
      \n
      7. OpenAI API\u547c\u3073\u51fa\u3057\uff08chat_logic.py\uff09<\/h3>\n
      OpenAI\u306echat.completions.create\u3067\u3001\u30b9\u30ec\u30c3\u30c9\u5c65\u6b74\u3092\u4fdd\u6301\u3057\u306a\u304c\u3089<\/strong>\u3084\u308a\u53d6\u308a\u3057\u307e\u3059\u3002<\/p>\n
      import<\/span> os\r\nfrom<\/span> openai import<\/span> OpenAI\r\n\r\nclient = OpenAI(api_key=os.getenv(\"OPENAI_API_KEY\"<\/span>))\r\n\r\ndef<\/span> process_message<\/span>(user_message, messages)<\/span>:<\/span>\r\n    messages.append({\"role\"<\/span>: \"user\"<\/span>, \"content\"<\/span>: user_message})\r\n\r\n    response = client.chat.completions.create(\r\n        model=\"gpt-4\"<\/span>,\r\n        messages=messages\r\n    )\r\n\r\n    reply = response.choices[0<\/span>].message.content\r\n    messages.append({\"role\"<\/span>: \"assistant\"<\/span>, \"content\"<\/span>: reply})\r\n\r\n    return<\/span> reply<\/code><\/pre>\n
      \n
      8. HTML+JavaScript\u3067\u30c1\u30e3\u30c3\u30c8UI\u4f5c\u6210<\/h3>\n
      \u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306f\u30b7\u30f3\u30d7\u30eb\u306aHTML+JavaScript<\/strong>\u3067\u5b9f\u88c5\u3002
      \u3053\u306e\u90e8\u5206\u3092React\u3084Vue\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u304c\u3001\u307e\u305a\u306f\u30b7\u30f3\u30d7\u30eb\u306b\u52d5\u304f\u5f62\u3092\u91cd\u8996\u3002<\/p>\n
      index.html<\/p>\n
      <!DOCTYPE html>\r\n<html lang=\"ja\"<\/span>>\r\n<head>\r\n    <title>AI\u30c1\u30e3\u30c3\u30c8 with OpenAI API<\/title>\r\n    <script src=\"script.js\"<\/span> defer><\/script>\r\n    <style>\r\n        body { font-family: Arial, sans-serif; }\r\n        #chat { width: 80%; margin: 20px auto; }<\/span>\r\n        #messages { height: 300px; overflow-y: scroll; border: 1px solid #ccc; padding: 10px; }<\/span>\r\n        input, button { margin-top: 10<\/span>px; }\r\n    <\/style>\r\n<\/head>\r\n<body>\r\n    <div id=\"chat\"<\/span>>\r\n        <div id=\"messages\"<\/span>><\/div>\r\n        <input type=\"text\"<\/span> id=\"messageInput\"<\/span> placeholder=\"\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5165\u529b\"<\/span>>\r\n        <button onclick=\"sendMessage()\"<\/span>>\u9001\u4fe1<\/button>\r\n    <\/div>\r\n<\/body>\r\n<\/html><\/code><\/pre>\n
      \n
      script.js<\/p>\n
      const<\/span> messagesDiv = document<\/span>.getElementById('messages'<\/span>);\r\nconst<\/span> messageInput = document<\/span>.getElementById('messageInput'<\/span>);\r\n\r\nasync<\/span> function<\/span> sendMessage<\/span>(<\/span>) <\/span>{\r\n    const<\/span> message = messageInput.value;\r\n    if<\/span> (!message) return<\/span>;\r\n\r\n    appendMessage(\"\u3042\u306a\u305f\"<\/span>, message);\r\n    messageInput.value = \"\"<\/span>;\r\n\r\n    const<\/span> response = await<\/span> fetch(\"\/chat\"<\/span>, {\r\n        method<\/span>: \"POST\"<\/span>,\r\n        headers<\/span>: { \"Content-Type\"<\/span>: \"application\/json\"<\/span> },\r\n        body<\/span>: JSON<\/span>.stringify({ message<\/span>: message })\r\n    });\r\n\r\n    const<\/span> data = await<\/span> response.json();\r\n    appendMessage(\"AI\"<\/span>, data.reply);\r\n}\r\n\r\nfunction<\/span> appendMessage<\/span>(sender, message<\/span>) <\/span>{\r\n    const<\/span> div = document<\/span>.createElement(\"div\"<\/span>);\r\n    div.textContent = `${sender}<\/span>: ${message}<\/span>`<\/span>;\r\n    messagesDiv.appendChild(div);\r\n    messagesDiv.scrollTop = messagesDiv.scrollHeight;\r\n}<\/code><\/pre>\n
      \n
      \u5b9f\u884c\u78ba\u8a8d\uff01<\/h2>\n
      \u5b9f\u884c\u624b\u9806\u307e\u3068\u3081<\/h3>\n