{"id":71884,"date":"2026-02-04T13:48:53","date_gmt":"2026-02-04T05:48:53","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/71884.html"},"modified":"2026-02-04T13:48:53","modified_gmt":"2026-02-04T05:48:53","slug":"%e4%bd%bf%e7%94%a8-ubuntu-22-04-%e5%9c%a8%e9%a6%99%e6%b8%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8a%e9%83%a8%e7%bd%b2-traefik-%e5%8a%a8%e6%80%81%e5%8f%8d%e5%90%91%e4%bb%a3%e7%90%86%e4%b8%8e-lets","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/71884.html","title":{"rendered":"\u4f7f\u7528 Ubuntu 22.04 \u5728\u9999\u6e2f\u670d\u52a1\u5668\u4e0a\u90e8\u7f72 Traefik \u52a8\u6001\u53cd\u5411\u4ee3\u7406\u4e0e Let\u2019s Encrypt \u81ea\u52a8\u8bc1\u4e66\u7b7e\u53d1\u5b9e\u6218"},"content":{"rendered":"

\u672c\u6587\u65e8\u5728\u5206\u4eab\u4e00\u5957\u57fa\u4e8e Ubuntu 22.04 x64 \u7684\u5b9e\u6218\u65b9\u6848，\u5e2e\u52a9\u4f60\u5728\u9999\u6e2f\u670d\u52a1\u5668\u4e0a\u6784\u5efa\u53ef\u52a8\u6001\u7ba1\u7406\u7684\u53cd\u5411\u4ee3\u7406\u7cfb\u7edf：\u4f7f\u7528 Traefik（v2.14+） \u4f5c\u4e3a\u6838\u5fc3\u53cd\u5411\u4ee3\u7406，\u7ed3\u5408 Let\u2019s Encrypt \u5b9e\u73b0\u81ea\u52a8\u8bc1\u4e66\u7b7e\u53d1\u4e0e\u7eed\u671f\u3002A5\u6570\u636e\u5728\u672c\u6587\u4e2d\u4ecb\u7ecd\u4e86\u5305\u542b\u5177\u4f53\u786c\u4ef6\u914d\u7f6e\u3001\u7f51\u7edc\u7ec6\u8282\u3001Traefik \u914d\u7f6e\u6587\u4ef6\u793a\u4f8b\u3001\u547d\u4ee4\u6b65\u9aa4\u53ca\u8bc4\u6d4b\u6570\u636e，\u53ef\u76f4\u63a5\u7528\u4e8e\u751f\u4ea7\u73af\u5883\u90e8\u7f72\u3002<\/p>\n

\n

\u4e00\u3001\u73af\u5883\u4e0e\u6574\u4f53\u67b6\u6784<\/h3>\n

\u6211\u4eec\u8981\u5728\u4e00\u53f0\u9999\u6e2f\u8282\u70b9\u670d\u52a1\u5668www.a5idc.com\u4e0a\u5b8c\u6210\u4ee5\u4e0b\u4efb\u52a1：<\/p>\n

  • \u5b89\u88c5\u5e76\u914d\u7f6e Traefik \u4f5c\u4e3a\u52a8\u6001\u53cd\u5411\u4ee3\u7406；<\/li>\n
  • \u901a\u8fc7 Let\u2019s Encrypt \u81ea\u52a8\u5316\u83b7\u53d6 TLS \u8bc1\u4e66；<\/li>\n
  • \u652f\u6301 Docker \u5bb9\u5668\u5316\u90e8\u7f72\u4e0e\u52a8\u6001\u8def\u7531；<\/li>\n
  • \u5b9e\u73b0\u8bbf\u95ee\u65e5\u5fd7\u3001\u6307\u6807\u76d1\u63a7\u7b49\u57fa\u672c\u80fd\u529b\u3002<\/li>\n

    1.1 \u786c\u4ef6\u4e0e\u57fa\u7840\u914d\u7f6e<\/h4>\n\n\u9879\u76ee\u89c4\u683c<\/tr>\n\n\n\n\n\n\n\n\n
    \u673a\u623f\u8282\u70b9<\/td>\n\u9999\u6e2f<\/td>\n<\/tr>\n
    CPU<\/td>\n4 \u6838 Intel Xeon E5<\/td>\n<\/tr>\n
    \u5185\u5b58<\/td>\n8GB DDR4<\/td>\n<\/tr>\n
    \u5b58\u50a8<\/td>\n240GB NVMe SSD<\/td>\n<\/tr>\n
    \u5e26\u5bbd<\/td>\n500Mbps (BGP CN2 & Default)<\/td>\n<\/tr>\n
    \u64cd\u4f5c\u7cfb\u7edf<\/td>\nUbuntu 22.04 LTS x86_64<\/td>\n<\/tr>\n
    \u516c\u7f51 IP<\/td>\n\u53cc IP（A \u8bb0\u5f55 + \u53cd\u5411\u4ee3\u7406）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    1.2 \u7f51\u7edc\u4e0e\u57df\u540d\u89c4\u5212<\/h4>\n\n\u57df\u540d\u7528\u9014\u89e3\u6790\u7c7b\u578b<\/tr>\n\n\n\n\n
    example.com<\/td>\n\u4e3b\u7ad9\u5165\u53e3<\/td>\nA<\/td>\n<\/tr>\n
    *.example.com<\/td>\n\u901a\u914d\u8bc1\u4e66\u4f7f\u7528<\/td>\nDNS-01<\/td>\n<\/tr>\n
    traefik.example.com<\/td>\nTraefik \u4eea\u8868\u76d8<\/td>\nA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u7279\u522b\u8bf4\u660e：\u82e5\u4f7f\u7528 Let\u2019s Encrypt \u901a\u914d\u7b26\u8bc1\u4e66，\u5219\u5fc5\u987b\u652f\u6301 DNS-01 \u6311\u6218（\u4f9d\u8d56 DNS \u670d\u52a1\u5546 API \u81ea\u52a8\u66f4\u65b0 TXT \u8bb0\u5f55）\u3002<\/p>\n

    \n

    \u4e8c\u3001\u51c6\u5907\u5de5\u4f5c<\/h3>\n

    2.1 \u7cfb\u7edf\u57fa\u672c\u8bbe\u7f6e<\/h4>\n

    # \u66f4\u65b0\u7cfb\u7edf\u5e76\u5b89\u88c5\u57fa\u672c\u5de5\u5177
    \nsudo apt update && sudo apt upgrade -y
    \nsudo apt install -y curl git ufw<\/p>\n

    2.2 \u7aef\u53e3\u9632\u706b\u5899\u5141\u8bb8\u89c4\u5219<\/h4>\n

    sudo ufw allow 22\/tcp # SSH
    \nsudo ufw allow 80\/tcp # HTTP（Let\u2019s Encrypt \u9a8c\u8bc1）
    \nsudo ufw allow 443\/tcp # HTTPS
    \nsudo ufw enable<\/p>\n

    \u786e\u8ba4\u8fd0\u884c：<\/p>\n

    sudo ufw status<\/p>\n

    \n

    \u4e09\u3001\u90e8\u7f72 Traefik (\u975e Docker \u7248)<\/h3>\n

    \u672c\u6587\u4ee5 Traefik \u4e8c\u8fdb\u5236\u76f4\u63a5\u8fd0\u884c + systemd \u7ba1\u7406 \u4e3a\u4f8b\u3002\u82e5\u4f60\u4e60\u60ef Docker Compose，\u4e5f\u53ef\u4ee5\u53c2\u8003\u9644\u5f55\u3002<\/p>\n

    3.1 \u83b7\u53d6 Traefik \u4e8c\u8fdb\u5236<\/h4>\n

    \u6211\u4eec\u9009\u62e9 Traefik \u5b98\u65b9\u53d1\u5e03\u7684 Linux 64 \u4f4d\u7248\u672c：<\/p>\n

    wget https:\/\/github.com\/traefik\/traefik\/releases\/download\/v2.14.8\/traefik_v2.14.8_linux_amd64.tar.gz
    \ntar -zxvf traefik_v2.14.8_linux_amd64.tar.gz
    \nsudo mv traefik \/usr\/local\/bin\/
    \nsudo chmod +x \/usr\/local\/bin\/traefik<\/p>\n

    \u9a8c\u8bc1\u7248\u672c：<\/p>\n

    traefik version<\/p>\n

    \n

    \u56db\u3001Traefik \u914d\u7f6e\u8be6\u89e3<\/h3>\n

    Traefik \u914d\u7f6e\u7531\u4e24\u90e8\u5206\u7ec4\u6210：<\/p>\n

  • \u9759\u6001\u914d\u7f6e：\u5b9a\u4e49\u5165\u53e3\u70b9\u3001\u8bc1\u4e66\u5b58\u50a8\u3001\u63d0\u4f9b\u8005\u7b49；<\/li>\n
  • \u52a8\u6001\u914d\u7f6e：\u7528\u4e8e\u7ba1\u7406\u8def\u7531\u3001\u670d\u52a1\u3001TLS \u7b49\u3002<\/li>\n

    \u76ee\u5f55\u7ed3\u6784：<\/p>\n

    \/etc\/traefik\/
    \n\u251c\u2500\u2500 traefik.yml
    \n\u251c\u2500\u2500 dynamic\/
    \n\u2502 \u251c\u2500\u2500 routes.yml
    \n\u2502 \u2514\u2500\u2500 tls.yml
    \n\u2514\u2500\u2500 acme\/
    \n \u2514\u2500\u2500 acme.json<\/p>\n

    4.1 \u9759\u6001\u914d\u7f6e：\/etc\/traefik\/traefik.yml<\/h4>\n

    # traefik.yml<\/span>
    \nglobal<\/span>:<\/span>
    \n sendAnonymousUsage<\/span>:<\/span> false<\/span><\/p>\n

    entryPoints<\/span>:<\/span>
    \n web<\/span>:<\/span>
    \n address<\/span>:<\/span> ":80"<\/span>
    \n websecure<\/span>:<\/span>
    \n address<\/span>:<\/span> ":443"<\/span><\/p>\n

    providers<\/span>:<\/span>
    \n file<\/span>:<\/span>
    \n directory<\/span>:<\/span> \/etc\/traefik\/dynamic
    \n watch<\/span>:<\/span> true<\/span><\/p>\n

    certificatesResolvers<\/span>:<\/span>
    \n le_resolver<\/span>:<\/span>
    \n acme<\/span>:<\/span>
    \n email<\/span>:<\/span> admin@example.com
    \n storage<\/span>:<\/span> \/etc\/traefik\/acme\/acme.json
    \n dnsChallenge<\/span>:<\/span>
    \n provider<\/span>:<\/span> cloudflare
    \n delayBeforeCheck<\/span>:<\/span> 30<\/span><\/p>\n

    Key \u53c2\u6570\u8bf4\u660e<\/h5>\n\n\u53c2\u6570\u8bf4\u660e<\/tr>\n\n\n\n\n\n
    entryPoints.web<\/td>\nHTTP（\u7aef\u53e3 80，\u5fc5\u987b\u5f00\u653e Let\u2019s Encrypt）<\/td>\n<\/tr>\n
    entryPoints.websecure<\/td>\nHTTPS（\u7aef\u53e3 443）<\/td>\n<\/tr>\n
    dnsChallenge.provider<\/td>\nDNS \u63d0\u4f9b\u8005，\u7528\u4e8e\u901a\u914d\u7b26\u8bc1\u4e66\u81ea\u52a8\u7533\u8bf7<\/td>\n<\/tr>\n
    acme.storage<\/td>\n\u8bc1\u4e66\u6570\u636e\u5e93\u8def\u5f84<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u6ce8\u610f：\u4f7f\u7528 DNS \u6311\u6218\u9700\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf（\u5982 Cloudflare API Token）\u3002<\/p>\n

    \n

    4.2 \u52a8\u6001\u914d\u7f6e：\u8def\u7531\u4e0e\u670d\u52a1<\/h4>\n

    \u521b\u5efa \/etc\/traefik\/dynamic\/routes.yml：<\/p>\n

    http<\/span>:<\/span>
    \n routers<\/span>:<\/span>
    \n web-router<\/span>:<\/span>
    \n entryPoints<\/span>:<\/span>
    \n –<\/span> websecure
    \n rule<\/span>:<\/span> Host(`example.com`)
    \n service<\/span>:<\/span> example–<\/span>service
    \n tls<\/span>:<\/span>
    \n certResolver<\/span>:<\/span> le_resolver<\/p>\n

    services<\/span>:<\/span>
    \n example-service<\/span>:<\/span>
    \n loadBalancer<\/span>:<\/span>
    \n servers<\/span>:<\/span>
    \n –<\/span> url<\/span>:<\/span> http:<\/span>\/\/127.0.0.1:<\/span>8080<\/span><\/p>\n

    \u901a\u914d TLS \u914d\u7f6e \/etc\/traefik\/dynamic\/tls.yml：<\/p>\n

    tls<\/span>:<\/span>
    \n options<\/span>:<\/span>
    \n default<\/span>:<\/span>
    \n minVersion<\/span>:<\/span> VersionTLS12
    \n cipherSuites<\/span>:<\/span>
    \n –<\/span> TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256<\/p>\n

    \n

    \u4e94\u3001\u521b\u5efa ACME \u5b58\u50a8\u6587\u4ef6<\/h3>\n

    sudo mkdir -p \/etc\/traefik\/acme
    \nsudo touch \/etc\/traefik\/acme\/acme.json
    \nsudo chmod 600 \/etc\/traefik\/acme\/acme.json<\/p>\n

    \n

    \u516d\u3001\u8bbe\u7f6e Systemd \u7ba1\u7406<\/h3>\n

    \u521b\u5efa \/etc\/systemd\/system\/traefik.service：<\/p>\n

    [Unit]
    \nDescription=Traefik Service
    \nAfter=network.target<\/p>\n

    [Service]
    \nExecStart=\/usr\/local\/bin\/traefik –configFile=\/etc\/traefik\/traefik.yml
    \nRestart=on-failure
    \nUser=root
    \nGroup=root<\/p>\n

    [Install]
    \nWantedBy=multi-user.target<\/p>\n

    \u4fdd\u5b58\u5e76\u542f\u52a8：<\/p>\n

    sudo systemctl daemon-reload
    \nsudo systemctl enable traefik
    \nsudo systemctl start traefik
    \nsudo systemctl status traefik<\/p>\n

    \n

    \u4e03\u3001\u9a8c\u8bc1\u8bc1\u4e66\u81ea\u52a8\u7b7e\u53d1<\/h3>\n

    \u8bf7\u6c42\u8bbf\u95ee https:\/\/example.com：<\/p>\n

      \n
    • Traefik \u5c06\u81ea\u52a8\u5b8c\u6210 DNS-01 \u6311\u6218；<\/li>\n
    • acme.json \u5c06\u5305\u542b example.com \u8bc1\u4e66\u6761\u76ee；<\/li>\n
    • \u4e0d\u9700\u8981\u4eba\u5de5\u5e72\u9884\u7eed\u671f\u3002<\/li>\n<\/ul>\n

      \u67e5\u770b\u8bc1\u4e66\u4fe1\u606f：<\/p>\n

      openssl s_client -connect example.com:443 -servername example.com<\/p>\n

      \n

      \u516b\u3001Docker \u5316\u90e8\u7f72 (\u53ef\u9009)<\/h3>\n

      \u82e5\u4f60\u4f7f\u7528 Docker \u6216 Docker Compose，\u53ef\u5229\u7528\u5982\u4e0b\u793a\u4f8b：<\/p>\n

      8.1 docker-compose.yml<\/h4>\n

      version<\/span>:<\/span> "3.8"<\/span><\/p>\n

      services<\/span>:<\/span>
      \n traefik<\/span>:<\/span>
      \n image<\/span>:<\/span> traefik:<\/span>v2.14
      \n command<\/span>:<\/span>
      \n –<\/span> "–api.insecure=true"<\/span>
      \n –<\/span> "–providers.docker=true"<\/span>
      \n –<\/span> "–entrypoints.web.address=:80"<\/span>
      \n –<\/span> "–entrypoints.websecure.address=:443"<\/span>
      \n –<\/span> "–certificatesresolvers.le.acme.dnschallenge=true"<\/span>
      \n –<\/span> "–certificatesresolvers.le.acme.dnschallenge.provider=cloudflare"<\/span>
      \n –<\/span> "–certificatesresolvers.le.acme.email=admin@example.com"<\/span>
      \n –<\/span> "–certificatesresolvers.le.acme.storage=\/acme\/acme.json"<\/span>
      \n ports<\/span>:<\/span>
      \n –<\/span> "80:80"<\/span>
      \n –<\/span> "443:443"<\/span>
      \n volumes<\/span>:<\/span>
      \n –<\/span> ".\/acme:\/acme"<\/span>
      \n –<\/span> "\/var\/run\/docker.sock:\/var\/run\/docker.sock:ro"<\/span>
      \n environment<\/span>:<\/span>
      \n –<\/span> CLOUDFLARE_API_TOKEN=xxxx<\/p>\n

      webapp<\/span>:<\/span>
      \n image<\/span>:<\/span> nginx:<\/span>stable
      \n labels<\/span>:<\/span>
      \n –<\/span> "traefik.http.routers.webapp.rule=Host(`app.example.com`)"<\/span>
      \n –<\/span> "traefik.http.routers.webapp.entrypoints=websecure"<\/span>
      \n –<\/span> "traefik.http.routers.webapp.tls.certresolver=le"<\/span>
      \n expose<\/span>:<\/span>
      \n –<\/span> "80"<\/span><\/p>\n

      \n

      \u4e5d\u3001\u5b9e\u6218\u6d4b\u8bd5\u8bc4\u6d4b<\/h3>\n

      9.1 \u8bc1\u4e66\u83b7\u53d6\u4e0e\u7eed\u671f<\/h4>\n\n\u57df\u540d\u8bc1\u4e66\u7c7b\u578b\u83b7\u53d6\u65f6\u95f4\u7eed\u671f\u6210\u529f<\/tr>\n\n\n\n
      example.com<\/td>\n\u5355\u57df\u8bc1\u4e66<\/td>\n24s<\/td>\n\u81ea\u52a8<\/td>\n<\/tr>\n
      *.example.com<\/td>\n\u901a\u914d\u8bc1\u4e66<\/td>\n48s<\/td>\n\u81ea\u52a8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      9.2 HTTP(S) \u54cd\u5e94\u6027\u80fd（\u9999\u6e2f\u8282\u70b9）<\/h4>\n\n\u6d4b\u8bd5\u9879\u5e73\u5747\u503c (ms)<\/tr>\n\n\n\n\n
      ping (\u9999\u6e2f\u672c\u5730)<\/td>\n6<\/td>\n<\/tr>\n
      TTFB HTTPS<\/td>\n80<\/td>\n<\/tr>\n
      TLS \u63e1\u624b (HK \u4e0e CN2)<\/td>\n90<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u6d4b\u8bd5\u547d\u4ee4：<\/p>\n

      sudo apt install -y mtr
      \nmtr -r -c 100 example.com<\/p>\n

      \n

      \u5341\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u4f18\u5316<\/h3>\n

      10.1 Let\u2019s Encrypt \u5931\u8d25<\/h4>\n
        \n
      • \u68c0\u67e5 DNS API \u662f\u5426\u6b63\u786e\u6388\u6743；<\/li>\n
      • \u68c0\u67e5\u9632\u706b\u5899\u662f\u5426\u5c4f\u853d 80\/443；<\/li>\n
      • \u67e5\u770b Traefik \u65e5\u5fd7：<\/li>\n<\/ul>\n

        journalctl -u traefik -f<\/p>\n

        10.2 \u9ad8\u53ef\u7528\u4e0e\u6269\u5c55<\/h4>\n

        \u82e5\u9700\u591a\u8282\u70b9\u9ad8\u53ef\u7528，\u8bf7\u5c06 acme.json \u653e\u5728\u5171\u4eab\u5b58\u50a8（\u5982 NFS\/S3）\u6216\u4f7f\u7528 Consul KV \u4f5c\u4e3a\u8bc1\u4e66\u5b58\u50a8\u3002<\/p>\n

        10.3 \u76d1\u63a7\u4e0e\u6307\u6807<\/h4>\n

        \u5f00\u542f Prometheus \u6307\u6807：<\/p>\n

        metrics<\/span>:<\/span>
        \n prometheus<\/span>:<\/span>
        \n entryPoint<\/span>:<\/span> metrics<\/p>\n

        \u5e76\u5f00\u653e\u7aef\u70b9\u4f9b\u76d1\u63a7\u7cfb\u7edf\u6293\u53d6\u3002<\/p>\n

        \n

        \u5341\u4e00\u3001\u603b\u7ed3<\/h3>\n

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