\n| \u63a8\u8350\u4f7f\u7528<\/td>\n | \u63a8\u8350<\/td>\n | \u53ea\u5728\u9700\u8981\u89e3\u538b\u65f6\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u6700\u4f73\u5b9e\u8df5：99% \u7684\u573a\u666f\u7528 COPY \u5c31\u591f\u4e86\u3002 ADD \u7684"\u8d85\u80fd\u529b"\u5bb9\u6613\u5f15\u53d1\u610f\u5916\u884c\u4e3a（\u6bd4\u5982\u4f60\u4ee5\u4e3a\u53ea\u662f\u590d\u5236，\u7ed3\u679c\u5b83\u7ed9\u4f60\u89e3\u538b\u4e86），\u6240\u4ee5 Docker \u5b98\u65b9\u4e5f\u5efa\u8bae\u4f18\u5148\u7528 COPY\u3002<\/p>\n
\n3.4 RUN：\u6267\u884c\u547d\u4ee4<\/h4>\nRUN \u7528\u6765\u5728\u6784\u5efa\u955c\u50cf\u65f6\u6267\u884c\u547d\u4ee4，\u6700\u5e38\u89c1\u7684\u7528\u9014\u662f\u5b89\u88c5\u4f9d\u8d56：<\/p>\n # Ubuntu\/Debian \u7cfb\u88c5\u8f6f\u4ef6
\nRUN apt update && apt install -y curl git
\n\u200b
\n# Python \u88c5\u4f9d\u8d56
\nRUN pip install flask requests
\n\u200b
\n# Node.js \u88c5\u4f9d\u8d56
\nRUN npm install<\/p>\n \u26a0\ufe0f \u5c42\u7f13\u5b58\u9677\u9631（\u65b0\u624b\u5fc5\u77e5）<\/p>\n \u6bcf\u4e00\u6761 RUN \u90fd\u4f1a\u5728\u955c\u50cf\u91cc\u521b\u5efa\u4e00\u4e2a\u65b0\u5c42\u3002\u53cd\u6a21\u5f0f：<\/p>\n # \u274c \u9519\u8bef\u793a\u8303：\u4e09\u6761 RUN \u4ea7\u751f\u4e09\u4e2a\u5c42，\u800c\u4e14 apt \u7f13\u5b58\u5360\u7a7a\u95f4
\nRUN apt update
\nRUN apt install -y curl
\nRUN apt install -y git<\/p>\n \u6b63\u786e\u505a\u6cd5：\u5408\u5e76\u547d\u4ee4 + \u6e05\u7406\u7f13\u5b58<\/p>\n # \u2705 \u6b63\u786e\u793a\u8303：\u4e00\u6761 RUN，\u6e05\u7406\u7f13\u5b58\u51cf\u5c0f\u4f53\u79ef
\nRUN apt update \\\\
\n \u00a0 && apt install -y –no-install-recommends curl git \\\\
\n \u00a0 && rm -rf \/var\/lib\/apt\/lists\/*<\/p>\n
\n3.5 ENV：\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf<\/h4>\n# \u683c\u5f0f 1：\u5355\u4e2a\u53d8\u91cf
\nENV APP_ENV=production
\n\u200b
\n# \u683c\u5f0f 2：\u591a\u4e2a\u53d8\u91cf
\nENV APP_PORT=8080 APP_HOST=0.0.0.0
\n\u200b
\n# \u5728\u540e\u7eed\u6307\u4ee4\u548c\u5bb9\u5668\u8fd0\u884c\u65f6\u90fd\u80fd\u7528\u5230
\nRUN echo "\u5f53\u524d\u73af\u5883：$APP_ENV"
\nCMD python app.py –port $APP_PORT<\/p>\n
\n3.6 EXPOSE：\u58f0\u660e\u7aef\u53e3（\u4f46\u522b\u5f53\u771f）<\/h4>\n# \u58f0\u660e\u5e94\u7528\u76d1\u542c\u7684\u7aef\u53e3
\nEXPOSE 8080
\nEXPOSE 5000<\/p>\n \u6ce8\u610f：EXPOSE \u53ea\u662f\u4e2a"\u6587\u6863\u8bf4\u660e"，\u4e0d\u4f1a\u771f\u7684\u6620\u5c04\u7aef\u53e3！<\/p>\n \u8981\u8ba9\u5916\u90e8\u8bbf\u95ee，\u5fc5\u987b\u5728 docker run \u65f6\u7528 -p \u53c2\u6570：<\/p>\n # EXPOSE 8080 \u53ea\u662f\u544a\u8bc9\u4f60"\u8fd9\u4e2a\u5e94\u7528\u7528 8080 \u7aef\u53e3"
\n# \u771f\u6b63\u6620\u5c04\u7aef\u53e3\u8fd8\u5f97\u9760 -p
\ndocker run -p 8080:8080 myapp<\/p>\n \u628a\u5b83\u60f3\u8c61\u6210\u5728\u5305\u88c5\u76d2\u4e0a\u8d34\u6807\u7b7e："\u672c\u4ea7\u54c1\u4f7f\u7528 8080 \u7aef\u53e3"\u2014\u2014\u8d34\u4e0d\u8d34\u6807\u7b7e，\u4ea7\u54c1\u672c\u8eab\u90fd\u4e00\u6837\u5de5\u4f5c\u3002<\/p>\n
\n3.7 CMD vs ENTRYPOINT：\u6700\u5bb9\u6613\u641e\u6df7\u7684\u4e24\u4e2a\u6307\u4ee4<\/h4>\n\u8fd9\u662f Dockerfile \u91cc\u6700\u5bb9\u6613\u8e29\u5751\u7684\u5730\u65b9，\u52a1\u5fc5\u4ed4\u7ec6\u770b\u6e05\u695a\u3002<\/p>\n \u6838\u5fc3\u533a\u522b<\/h5>\n\n\u7279\u6027CMDENTRYPOINT<\/tr>\n \n\n| \u4f5c\u7528<\/td>\n | \u5bb9\u5668\u542f\u52a8\u65f6\u7684\u9ed8\u8ba4\u547d\u4ee4<\/td>\n | \u5bb9\u5668\u542f\u52a8\u65f6\u7684\u4e3b\u547d\u4ee4<\/td>\n<\/tr>\n | \n| \u88ab\u8986\u76d6<\/td>\n | docker run \u540e\u52a0\u53c2\u6570\u4f1a\u88ab\u8986\u76d6<\/td>\n | \u4e0d\u4f1a\u88ab\u8986\u76d6（\u53c2\u6570\u4f1a\u8ffd\u52a0）<\/td>\n<\/tr>\n | \n| \u9002\u7528\u573a\u666f<\/td>\n | \u53ef\u7075\u6d3b\u66ff\u6362\u7684\u9ed8\u8ba4\u884c\u4e3a<\/td>\n | \u56fa\u5b9a\u7684\u4e3b\u7a0b\u5e8f\u5165\u53e3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\u4ee3\u7801\u5bf9\u6bd4<\/h5>\n# \u4f7f\u7528 CMD
\nFROM python:3.11-slim
\nWORKDIR \/app
\nCOPY . .
\nCMD ["python", "app.py"]<\/p>\n \u8fd0\u884c：<\/p>\n # \u6b63\u5e38\u542f\u52a8：\u6267\u884c python app.py
\ndocker run myapp
\n\u200b
\n# \u8986\u76d6 CMD：\u6267\u884c bash（\u8fdb\u5165\u4e86 shell，\u4e0d\u542f\u52a8\u5e94\u7528\u4e86）
\ndocker run -it myapp bash<\/p>\n # \u4f7f\u7528 ENTRYPOINT
\nFROM python:3.11-slim
\nWORKDIR \/app
\nCOPY . .
\nENTRYPOINT ["python", "app.py"]<\/p>\n \u8fd0\u884c：<\/p>\n # \u6b63\u5e38\u542f\u52a8：\u6267\u884c python app.py
\ndocker run myapp
\n\u200b
\n# \u8ffd\u52a0\u53c2\u6570：\u6267\u884c python app.py –debug
\ndocker run myapp –debug
\n\u200b
\n# \u60f3\u8986\u76d6 ENTRYPOINT：\u5fc5\u987b\u663e\u5f0f\u6307\u5b9a –entrypoint
\ndocker run –entrypoint bash -it myapp<\/p>\n \u9ec4\u91d1\u7ec4\u5408<\/h5>\n\u6700\u4f73\u5b9e\u8df5：ENTRYPOINT + CMD \u642d\u914d\u4f7f\u7528<\/p>\n # ENTRYPOINT \u662f"\u4e3b\u83dc"（\u56fa\u5b9a\u7684）
\n# CMD \u662f"\u914d\u83dc"（\u53ef\u66ff\u6362\u7684\u9ed8\u8ba4\u53c2\u6570）
\nENTRYPOINT ["python"]
\nCMD ["app.py"]<\/p>\n \u8fd9\u6837：<\/p>\n \n- \n
docker run myapp \u2192 \u6267\u884c python app.py<\/p>\n<\/li>\n - \n
docker run myapp script.py \u2192 \u6267\u884c python script.py（\u8986\u76d6\u4e86\u9ed8\u8ba4\u53c2\u6570）<\/p>\n<\/li>\n<\/ul>\n
\n3.8 .dockerignore：\u6392\u9664\u4e0d\u9700\u8981\u7684\u6587\u4ef6<\/h4>\n\u5728\u9879\u76ee\u6839\u76ee\u5f55\u521b\u5efa\u4e00\u4e2a .dockerignore \u6587\u4ef6，\u7c7b\u4f3c .gitignore：<\/p>\n # Python \u9879\u76ee
\n__pycache__\/
\n*.pyc
\n*.pyo
\n.git\/
\n.gitignore
\nvenv\/
\n.venv\/
\n*.md
\n.env
\n.pytest_cache\/
\n\u200b
\n# Node.js \u9879\u76ee
\nnode_modules\/
\nnpm-debug.log*
\n.DS_Store<\/p>\n \u4e3a\u4ec0\u4e48\u9700\u8981\u5b83？<\/p>\n \u5982\u679c\u4f60 COPY . . \u628a\u6574\u4e2a\u9879\u76ee\u62f7\u8fdb\u955c\u50cf，\u4f1a\u628a\u8fd9\u4e9b\u5783\u573e\u4e5f\u62f7\u8fdb\u53bb：<\/p>\n \n- \n
node_modules\/：\u51e0\u767e MB \u7684\u4f9d\u8d56，\u5bb9\u5668\u91cc\u4f1a\u91cd\u88c5<\/p>\n<\/li>\n - \n
.git\/：\u6574\u4e2a Git \u5386\u53f2，\u767d\u767d\u5360\u7a7a\u95f4<\/p>\n<\/li>\n - \n
venv\/：\u672c\u5730\u865a\u62df\u73af\u5883，\u5bb9\u5668\u91cc\u7528\u4e0d\u5230<\/p>\n<\/li>\n<\/ul>\n \u4e0d\u52a0 .dockerignore，\u955c\u50cf\u4f53\u79ef\u53ef\u80fd\u81a8\u80c0\u597d\u51e0\u500d，\u6784\u5efa\u901f\u5ea6\u4e5f\u4f1a\u53d8\u6162\u3002<\/p>\n
\n\u56db\u3001\u5b9e\u6218 1：Python Flask \u5e94\u7528\u5b8c\u6574\u6253\u5305<\/h3>\n\u6765\u4e00\u4e2a\u771f\u5b9e\u573a\u666f：\u628a\u4e00\u4e2a Flask Web \u5e94\u7528\u6253\u5305\u6210 Docker \u955c\u50cf\u3002<\/p>\n 4.1 \u9879\u76ee\u7ed3\u6784<\/h4>\nmy-flask-app\/
\n\u251c\u2500\u2500 app.py \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # Flask \u5e94\u7528\u4e3b\u7a0b\u5e8f
\n\u251c\u2500\u2500 requirements.txt \u00a0 # Python \u4f9d\u8d56
\n\u251c\u2500\u2500 Dockerfile \u00a0 \u00a0 \u00a0 \u00a0 # Docker \u83dc\u8c31
\n\u2514\u2500\u2500 .dockerignore \u00a0 \u00a0 \u00a0 # \u6392\u9664\u6587\u4ef6<\/p>\n 4.2 \u7f16\u5199 Flask \u5e94\u7528<\/h4>\n# app.py
\nfrom flask import Flask, jsonify
\nimport socket
\n\u200b
\napp = Flask(__name__)
\n\u200b
\n@app.route('\/')
\ndef hello():
\n \u00a0 \u00a0return jsonify({
\n \u00a0 \u00a0 \u00a0 \u00a0"message": "Hello from Docker!",
\n \u00a0 \u00a0 \u00a0 \u00a0"hostname": socket.gethostname(),
\n \u00a0 \u00a0 \u00a0 \u00a0"python_version": "3.11"
\n \u00a0 })
\n\u200b
\n@app.route('\/health')
\ndef health():
\n \u00a0 \u00a0return jsonify({"status": "healthy"})
\n\u200b
\nif __name__ == '__main__':
\n \u00a0 \u00a0# \u6ce8\u610f：host \u5fc5\u987b\u662f 0.0.0.0，\u5426\u5219\u5bb9\u5668\u5916\u8bbf\u95ee\u4e0d\u5230
\n \u00a0 \u00a0app.run(host='0.0.0.0', port=5000)<\/p>\n # requirements.txt
\nflask==3.0.0<\/p>\n 4.3 \u7f16\u5199 Dockerfile<\/h4>\n# 1. \u9009\u62e9\u57fa\u7840\u955c\u50cf
\nFROM python:3.11-slim
\n\u200b
\n# 2. \u8bbe\u7f6e\u5de5\u4f5c\u76ee\u5f55
\nWORKDIR \/app
\n\u200b
\n# 3. \u5148\u590d\u5236\u4f9d\u8d56\u6587\u4ef6（\u5229\u7528\u5c42\u7f13\u5b58，\u540e\u9762\u4f1a\u8bb2）
\nCOPY requirements.txt .
\n\u200b
\n# 4. \u5b89\u88c5\u4f9d\u8d56
\nRUN pip install –no-cache-dir -r requirements.txt
\n\u200b
\n# 5. \u518d\u590d\u5236\u5e94\u7528\u4ee3\u7801
\nCOPY . .
\n\u200b
\n# 6. \u58f0\u660e\u7aef\u53e3（\u6587\u6863\u8bf4\u660e）
\nEXPOSE 5000
\n\u200b
\n# 7. \u8bbe\u7f6e\u73af\u5883\u53d8\u91cf
\nENV FLASK_APP=app.py
\n\u200b
\n# 8. \u542f\u52a8\u547d\u4ee4
\nCMD ["python", "app.py"]<\/p>\n 4.4 \u6784\u5efa\u955c\u50cf<\/h4>\n# \u5728\u9879\u76ee\u76ee\u5f55\u4e0b\u6267\u884c（\u6ce8\u610f\u6700\u540e\u90a3\u4e2a\u70b9 .）
\ndocker build -t my-flask-app:v1 .<\/p>\n \u6784\u5efa\u8f93\u51fa：<\/p>\n [+] Building 15.3s (9\/9)
\n => [1\/5] FROM docker.io\/library\/python:3.11-slim \u00a0 \u00a0 \u00a0 \u00a0 3.2s
\n => [2\/5] WORKDIR \/app \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0.1s
\n => [3\/5] COPY requirements.txt . \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0.0s
\n => [4\/5] RUN pip install –no-cache-dir -r requirements \u00a0 8.5s
\n => [5\/5] COPY . . \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0.1s
\n => exporting to image \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 3.4s
\n => => naming to docker.io\/library\/my-flask-app:v1<\/p>\n 4.5 \u8fd0\u884c\u5bb9\u5668<\/h4>\ndocker run -d -p 5000:5000 –name flask-demo my-flask-app:v1<\/p>\n \u6d4b\u8bd5\u8bbf\u95ee：<\/p>\n curl http:\/\/localhost:5000\/<\/p>\n \u8f93\u51fa：<\/p>\n {
\n \u00a0"hostname": "a3f5b7c8d9e1",
\n \u00a0"message": "Hello from Docker!",
\n \u00a0"python_version": "3.11"
\n}<\/p>\n \u770b\u5230 hostname \u662f\u5bb9\u5668 ID \u800c\u4e0d\u662f\u4f60\u7684\u672c\u673a\u540d，\u8bf4\u660e\u5e94\u7528\u786e\u5b9e\u5728\u5bb9\u5668\u91cc\u8dd1\u8d77\u6765\u4e86！<\/p>\n
\n\u4e94\u3001\u5b9e\u6218 2：Node.js Express \u5e94\u7528\u5b8c\u6574\u6253\u5305<\/h3>\n5.1 \u9879\u76ee\u7ed3\u6784<\/h4>\nmy-express-app\/
\n\u251c\u2500\u2500 index.js \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # Express \u5e94\u7528\u4e3b\u7a0b\u5e8f
\n\u251c\u2500\u2500 package.json \u00a0 \u00a0 \u00a0 # Node.js \u4f9d\u8d56\u58f0\u660e
\n\u251c\u2500\u2500 Dockerfile \u00a0 \u00a0 \u00a0 \u00a0 # Docker \u83dc\u8c31
\n\u2514\u2500\u2500 .dockerignore \u00a0 \u00a0 # \u6392\u9664\u6587\u4ef6<\/p>\n 5.2 \u7f16\u5199 Express \u5e94\u7528<\/h4>\n\/\/ index.js
\nconst express = require('express');
\nconst os = require('os');
\nconst app = express();
\n\u200b
\napp.get('\/', (req, res) => {
\n \u00a0res.json({
\n \u00a0 \u00a0message: 'Hello from Docker!',
\n \u00a0 \u00a0hostname: os.hostname(),
\n \u00a0 \u00a0platform: os.platform(),
\n \u00a0 \u00a0node_version: process.version
\n });
\n});
\n\u200b
\napp.get('\/health', (req, res) => {
\n \u00a0res.json({ status: 'healthy', uptime: process.uptime() });
\n});
\n\u200b
\nconst PORT = process.env.PORT || 3000;
\napp.listen(PORT, '0.0.0.0', () => {
\n \u00a0console.log(`Server running on port ${PORT}`);
\n});<\/p>\n \/\/ package.json
\n{
\n \u00a0"name": "my-express-app",
\n \u00a0"version": "1.0.0",
\n \u00a0"main": "index.js",
\n \u00a0"scripts": {
\n \u00a0 \u00a0"start": "node index.js"
\n },
\n \u00a0"dependencies": {
\n \u00a0 \u00a0"express": "^4.18.2"
\n }
\n}<\/p>\n 5.3 \u7f16\u5199 Dockerfile<\/h4>\n# 1. \u9009\u62e9\u57fa\u7840\u955c\u50cf（alpine \u7248\u672c\u6781\u5c0f，\u7ea6 180MB）
\nFROM node:20-alpine
\n\u200b
\n# 2. \u8bbe\u7f6e\u5de5\u4f5c\u76ee\u5f55
\nWORKDIR \/app
\n\u200b
\n# 3. \u5148\u590d\u5236 package.json（\u5229\u7528\u5c42\u7f13\u5b58）
\nCOPY package*.json .\/
\n\u200b
\n# 4. \u5b89\u88c5\u751f\u4ea7\u4f9d\u8d56（–production \u4e0d\u88c5 devDependencies）
\nRUN npm install –production
\n\u200b
\n# 5. \u518d\u590d\u5236\u5e94\u7528\u4ee3\u7801
\nCOPY . .
\n\u200b
\n# 6. \u58f0\u660e\u7aef\u53e3
\nEXPOSE 3000
\n\u200b
\n# 7. \u542f\u52a8\u547d\u4ee4
\nCMD ["node", "index.js"]<\/p>\n 5.4 \u6784\u5efa\u548c\u8fd0\u884c<\/h4>\n# \u6784\u5efa
\ndocker build -t my-express-app:v1 .
\n\u200b
\n# \u8fd0\u884c
\ndocker run -d -p 3000:3000 –name express-demo my-express-app:v1
\n\u200b
\n# \u6d4b\u8bd5
\ncurl http:\/\/localhost:3000\/<\/p>\n \u8f93\u51fa：<\/p>\n {
\n \u00a0"message": "Hello from Docker!",
\n \u00a0"hostname": "b4e6c8d0f2a3",
\n \u00a0"platform": "linux",
\n \u00a0"node_version": "v20.11.0"
\n}<\/p>\n
\n\u516d\u3001\u6784\u5efa\u4e0a\u4e0b\u6587：\u90a3\u4e2a\u70b9 . \u5230\u5e95\u662f\u4ec0\u4e48\u610f\u601d？<\/h3>\ndocker build -t myapp:v1 .
\n# \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2191
\n# \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u8fd9\u4e2a\u70b9\u662f\u5565？<\/p>\n \u8fd9\u4e2a\u70b9\u53eb\u6784\u5efa\u4e0a\u4e0b\u6587（Build Context），\u5b83\u544a\u8bc9 Docker："\u628a\u5f53\u524d\u76ee\u5f55\u4e0b\u7684\u6240\u6709\u6587\u4ef6\u53d1\u9001\u7ed9 Docker \u5b88\u62a4\u8fdb\u7a0b，\u4f9b\u6784\u5efa\u4f7f\u7528\u3002"<\/p>\n \u4e3a\u4ec0\u4e48\u8981\u53d1\u9001\u6587\u4ef6？<\/p>\n \u56e0\u4e3a Dockerfile \u91cc\u7684 COPY . . \u9700\u8981\u77e5\u9053"\u4ece\u54ea\u91cc\u62f7"\u2014\u2014\u7b54\u6848\u5c31\u662f\u6784\u5efa\u4e0a\u4e0b\u6587\u3002<\/p>\n \u5e38\u89c1\u9519\u8bef：<\/p>\n # \u274c \u9519\u8bef：\u4e0a\u4e0b\u6587\u662f \/home\/user，\u4f46 Dockerfile \u5728\u5b50\u76ee\u5f55\u91cc
\ncd \/home\/user
\ndocker build -t myapp myproject\/Dockerfile
\n# \u62a5\u9519：unable to prepare context
\n\u200b
\n# \u2705 \u6b63\u786e：\u4e0a\u4e0b\u6587\u662f\u5305\u542b Dockerfile \u7684\u76ee\u5f55
\ncd \/home\/user\/myproject
\ndocker build -t myapp .<\/p>\n \u4e5f\u53ef\u4ee5\u6307\u5b9a\u5176\u4ed6\u8def\u5f84：<\/p>\n # \u4e0a\u4e0b\u6587\u662f \/path\/to\/project，Dockerfile \u4e5f\u5728\u90a3
\ndocker build -t myapp \/path\/to\/project
\n\u200b
\n# \u4e0a\u4e0b\u6587\u662f\u5f53\u524d\u76ee\u5f55，Dockerfile \u7528\u522b\u7684\u540d\u5b57
\ndocker build -t myapp -f Dockerfile.prod .<\/p>\n \u8bb0\u4f4f：\u6784\u5efa\u4e0a\u4e0b\u6587\u51b3\u5b9a\u4e86\u54ea\u4e9b\u6587\u4ef6\u80fd\u88ab COPY \u8fdb\u955c\u50cf，\u4e5f\u51b3\u5b9a\u4e86 .dockerignore \u8981\u653e\u5728\u54ea\u91cc\u3002<\/p>\n
\n\u4e03\u3001\u955c\u50cf\u5c42\u7f13\u5b58\u4f18\u5316：\u987a\u5e8f\u771f\u7684\u5f88\u91cd\u8981<\/h3>\nDocker \u6784\u5efa\u955c\u50cf\u65f6，\u6bcf\u4e00\u884c\u6307\u4ee4\u90fd\u4f1a\u751f\u6210\u4e00\u5c42\u3002\u5982\u679c\u67d0\u4e00\u5c42\u7684\u5185\u5bb9\u6ca1\u53d8，Docker \u4f1a\u76f4\u63a5\u7528\u7f13\u5b58，\u4e0d\u518d\u91cd\u65b0\u6267\u884c\u3002<\/p>\n<\/p>\n ![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260827101635-6a900e835ebab.jpg\") <\/p>\n
\u25b2 \u5c42\u7f13\u5b58\u7684\u7cbe\u9ad3：\u628a\u4f9d\u8d56\u6e05\u5355\u653e\u524d\u9762\u3001\u5e94\u7528\u4ee3\u7801\u653e\u540e\u9762，\u53ea\u6709\u6539\u4f9d\u8d56\u624d\u4f1a\u89e6\u53d1"\u91cd\u88c5\u4f9d\u8d56"\u3002<\/p>\n 7.1 \u9519\u8bef\u987a\u5e8f：\u6bcf\u6b21\u90fd\u91cd\u88c5\u4f9d\u8d56<\/h4>\n# \u274c \u6bcf\u6b21\u6539\u4ee3\u7801\u90fd\u8981\u91cd\u88c5\u4f9d\u8d56（\u8d85\u6162）
\nFROM python:3.11-slim
\nWORKDIR \/app
\nCOPY . . \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0# \u62f7\u5165\u5168\u90e8\u4ee3\u7801（\u5305\u62ec app.py）
\nRUN pip install -r requirements.txt \u00a0# \u53ea\u8981\u4ee3\u7801\u53d8\u4e86，\u8fd9\u4e00\u5c42\u5c31\u91cd\u8dd1
\nCMD ["python", "app.py"]<\/p>\n \u95ee\u9898：\u4f60\u6539\u4e86 app.py \u4e00\u884c\u4ee3\u7801 \u2192 COPY . . \u8fd9\u4e00\u5c42\u5931\u6548 \u2192 \u540e\u9762\u7684 RUN pip install \u4e5f\u8ddf\u7740\u5931\u6548 \u2192 \u6bcf\u6b21\u6784\u5efa\u90fd\u91cd\u88c5\u4f9d\u8d56，\u6162\u5f97\u8981\u6b7b\u3002<\/p>\n 7.2 \u6b63\u786e\u987a\u5e8f：\u5148\u62f7\u4f9d\u8d56\u6587\u4ef6，\u518d\u62f7\u4ee3\u7801<\/h4>\n# \u2705 \u6539\u4ee3\u7801\u4e0d\u4f1a\u91cd\u88c5\u4f9d\u8d56（\u8d85\u5feb）
\nFROM python:3.11-slim
\nWORKDIR \/app
\nCOPY requirements.txt . \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0# \u53ea\u62f7\u5165\u4f9d\u8d56\u6587\u4ef6
\nRUN pip install -r requirements.txt \u00a0# \u4f9d\u8d56\u6ca1\u53d8\u5c31\u7528\u7f13\u5b58
\nCOPY . . \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # \u518d\u62f7\u5165\u5e94\u7528\u4ee3\u7801（\u6539\u4ee3\u7801\u53ea\u5f71\u54cd\u8fd9\u4e00\u5c42）
\nCMD ["python", "app.py"]<\/p>\n \u5bf9\u6bd4\u6548\u679c：<\/p>\n \n\u64cd\u4f5c\u9519\u8bef\u987a\u5e8f\u8017\u65f6\u6b63\u786e\u987a\u5e8f\u8017\u65f6<\/tr>\n \n\n| \u9996\u6b21\u6784\u5efa<\/td>\n | ~30s<\/td>\n | ~30s<\/td>\n<\/tr>\n | \n| \u53ea\u6539\u4e86 app.py<\/td>\n | ~30s（\u91cd\u88c5\u4f9d\u8d56）<\/td>\n | ~2s（\u7528\u7f13\u5b58）<\/td>\n<\/tr>\n | \n| \u6539\u4e86 requirements.txt<\/td>\n | ~30s<\/td>\n | ~30s（\u5fc5\u987b\u91cd\u88c5）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u4e00\u53e5\u8bdd\u603b\u7ed3：\u628a\u4e0d\u5e38\u53d8\u7684\u6587\u4ef6（\u4f9d\u8d56\u6e05\u5355）\u653e\u524d\u9762，\u5e38\u53d8\u7684\u6587\u4ef6（\u5e94\u7528\u4ee3\u7801）\u653e\u540e\u9762\u3002<\/p>\n
\n\u516b\u3001\u672c\u6587\u8981\u70b9\u56de\u987e<\/h3>\n- \n
Dockerfile \u662f\u4e00\u4efd"\u83dc\u8c31"，\u544a\u8bc9 Docker \u600e\u4e48\u4e00\u6b65\u6b65\u6784\u5efa\u955c\u50cf；<\/p>\n<\/li>\n - \n
FROM \u5fc5\u987b\u7b2c\u4e00\u884c，\u9009\u62e9\u5408\u9002\u7684\u57fa\u7840\u955c\u50cf（\u63a8\u8350 -slim \u7248\u672c）；<\/p>\n<\/li>\n - \n
COPY vs ADD：99% \u573a\u666f\u7528 COPY，ADD \u53ea\u5728\u9700\u8981\u81ea\u52a8\u89e3\u538b\u65f6\u7528；<\/p>\n<\/li>\n - \n
CMD vs ENTRYPOINT：CMD \u53ef\u88ab\u8986\u76d6，ENTRYPOINT \u56fa\u5b9a\u6267\u884c，\u63a8\u8350\u4e24\u8005\u642d\u914d\u4f7f\u7528；<\/p>\n<\/li>\n - \n
EXPOSE \u53ea\u662f\u6587\u6863\u8bf4\u660e，\u771f\u6b63\u6620\u5c04\u7aef\u53e3\u9760 docker run -p；<\/p>\n<\/li>\n - \n
.dockerignore \u5fc5\u987b\u5199，\u6392\u9664 node_modules\u3001.git\u3001venv \u7b49\u5927\u6587\u4ef6；<\/p>\n<\/li>\n - \n
\u6784\u5efa\u4e0a\u4e0b\u6587：docker build \u6700\u540e\u90a3\u4e2a . \u51b3\u5b9a\u4e86\u54ea\u4e9b\u6587\u4ef6\u80fd\u88ab\u62f7\u8fdb\u955c\u50cf；<\/p>\n<\/li>\n - \n
\u5c42\u7f13\u5b58\u4f18\u5316：\u5148 COPY requirements.txt \u518d COPY . .，\u6539\u4ee3\u7801\u4e0d\u91cd\u88c5\u4f9d\u8d56\u3002<\/p>\n<\/li>\n
\n\u4e0b\u96c6\u9884\u544a<\/h3>\n\u955c\u50cf\u6253\u5305\u597d\u4e86，\u4f46\u751f\u4ea7\u73af\u5883\u4e0d\u4f1a\u53ea\u7528\u4e00\u4e2a\u5bb9\u5668\u3002\u4e0b\u4e00\u7ae0\u6211\u4eec\u5b66\u4e60 Docker \u7f51\u7edc\u2014\u2014\u591a\u4e2a\u5bb9\u5668\u4e4b\u95f4\u600e\u4e48\u4e92\u76f8\u901a\u4fe1？\u600e\u4e48\u8ba9 Flask \u5bb9\u5668\u8bbf\u95ee MySQL \u5bb9\u5668？Bridge \u7f51\u7edc\u3001Host \u7f51\u7edc\u3001\u81ea\u5b9a\u4e49\u7f51\u7edc\u5404\u81ea\u600e\u4e48\u7528？\u656c\u8bf7\u671f\u5f85！<\/p>\n
\n\u9644：\u5b8c\u6574 Dockerfile \u6a21\u677f（\u53ef\u76f4\u63a5\u590d\u5236\u4f7f\u7528）<\/h3>\nPython \u5e94\u7528\u6a21\u677f<\/h4>\nFROM python:3.11-slim
\n\u200b
\nWORKDIR \/app
\n\u200b
\n# \u5148\u62f7\u4f9d\u8d56
\nCOPY requirements.txt .
\nRUN pip install –no-cache-dir -r requirements.txt
\n\u200b
\n# \u518d\u62f7\u4ee3\u7801
\nCOPY . .
\n\u200b
\nEXPOSE 8000
\n\u200b
\nCMD ["python", "app.py"]<\/p>\n Node.js \u5e94\u7528\u6a21\u677f<\/h4>\nFROM node:20-alpine
\n\u200b
\nWORKDIR \/app
\n\u200b
\n# \u5148\u62f7\u4f9d\u8d56
\nCOPY package*.json .\/
\nRUN npm install –production
\n\u200b
\n# \u518d\u62f7\u4ee3\u7801
\nCOPY . .
\n\u200b
\nEXPOSE 3000
\n\u200b
\nCMD ["node", "index.js"]<\/p>\n .dockerignore \u901a\u7528\u6a21\u677f<\/h4>\n# \u901a\u7528\u6392\u9664
\n.git\/
\n.gitignore
\n.vscode\/
\n.idea\/
\n*.md
\n.env
\n.env.*
\n\u200b
\n# Python \u4e13\u5c5e
\n__pycache__\/
\n*.pyc
\nvenv\/
\n.venv\/
\n.pytest_cache\/
\n\u200b
\n# Node.js \u4e13\u5c5e
\nnode_modules\/
\nnpm-debug.log*
\ndist\/<\/p>\n","protected":false},"excerpt":{"rendered":" 05. Dockerfile \u7f16\u5199\u5b9e\u6218：\u628a\u81ea\u5df1\u7684 Python\/Node.js \u5e94\u7528\u6253\u5305\u6210\u955c\u50cf\u524d\u9762\u51e0\u7bc7\u6587\u7ae0\u6211\u4eec\u90fd\u5728\u7528\u522b\u4eba\u505a\u597d\u7684\u955c\u50cf，docker pull nginx\u3001docker pull python\u2026\u2026\u4f46\u6bcf\u6b21\u90fd\u5f97\u624b\u52a8\u8fdb\u5bb9\u5668\u6539\u914d\u7f6e\u3001\u88c5\u4f9d\u8d56\u3001\u62f7\u4ee3\u7801，\u592a\u8d39\u52b2\u4e86\u3002\u80fd\u4e0d\u80fd\u628a\u6211\u5199\u597d\u7684\u5e94\u7528\u76f4\u63a5\u6253\u5305\u6210\u4e00\u4e2a\u955c\u50cf，\u4ee5\u540e docker run \u4e00\u628a\u68ad\u5c31\u8dd1\u8d77\u6765？\u4eca\u5929\u5c31\u6765\u641e\u5b9a\u8fd9\u4ef6\u4e8b\u2014\u2014\u5b66\u4f1a\u5199 Dockerfile，<\/p>\n","protected":false},"author":2,"featured_media":96475,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[10187,53,27,50],"topic":[],"class_list":["post-96477","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-codingplan","tag-ai","tag-docker","tag-50"],"yoast_head":"\n 05. Dockerfile \u7f16\u5199\u5b9e\u6218\uff1a\u628a\u81ea\u5df1\u7684 Python\/Node.js \u5e94\u7528\u6253\u5305\u6210\u955c\u50cf - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/96477.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"05. Dockerfile \u7f16\u5199\u5b9e\u6218\uff1a\u628a\u81ea\u5df1\u7684 Python\/Node.js \u5e94\u7528\u6253\u5305\u6210\u955c\u50cf - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"05. Dockerfile \u7f16\u5199\u5b9e\u6218：\u628a\u81ea\u5df1\u7684 Python\/Node.js \u5e94\u7528\u6253\u5305\u6210\u955c\u50cf\u524d\u9762\u51e0\u7bc7\u6587\u7ae0\u6211\u4eec\u90fd\u5728\u7528\u522b\u4eba\u505a\u597d\u7684\u955c\u50cf，docker pull nginx\u3001docker pull python\u2026\u2026\u4f46\u6bcf\u6b21\u90fd\u5f97\u624b\u52a8\u8fdb\u5bb9\u5668\u6539\u914d\u7f6e\u3001\u88c5\u4f9d\u8d56\u3001\u62f7\u4ee3\u7801，\u592a\u8d39\u52b2\u4e86\u3002\u80fd\u4e0d\u80fd\u628a\u6211\u5199\u597d\u7684\u5e94\u7528\u76f4\u63a5\u6253\u5305\u6210\u4e00\u4e2a\u955c\u50cf，\u4ee5\u540e docker run \u4e00\u628a\u68ad\u5c31\u8dd1\u8d77\u6765？\u4eca\u5929\u5c31\u6765\u641e\u5b9a\u8fd9\u4ef6\u4e8b\u2014\u2014\u5b66\u4f1a\u5199 Dockerfile，\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/96477.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-27T10:16:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260827101634-6a900e82a19c7.jpg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/96477.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/96477.html\",\"name\":\"05. 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