Bunyan e Express
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Demonstra como configurar e usar o Bunyan com o Cloud Logging em um aplicativo Node.js Express.
Mais informações
Para ver a documentação detalhada que inclui este exemplo de código, consulte:
Exemplo de código
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[[["Fácil de entender","easyToUnderstand","thumb-up"],["Meu problema foi resolvido","solvedMyProblem","thumb-up"],["Outro","otherUp","thumb-up"]],[["Difícil de entender","hardToUnderstand","thumb-down"],["Informações incorretas ou exemplo de código","incorrectInformationOrSampleCode","thumb-down"],["Não contém as informações/amostras de que eu preciso","missingTheInformationSamplesINeed","thumb-down"],["Problema na tradução","translationIssue","thumb-down"],["Outro","otherDown","thumb-down"]],[],[],[],null,["# Bunyan and Express\n\nDemonstrates how to set up and use Bunyan with Cloud Logging in a Node.js Express application.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Setting Up Cloud Logging for Node.js](/logging/docs/setup/nodejs)\n\nCode sample\n-----------\n\n### Node.js\n\n\nTo learn how to install and use the client library for Logging, see\n[Logging client libraries](/logging/docs/reference/libraries).\n\n\nTo authenticate to Logging, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n // Imports the Google Cloud client library for Bunyan.\n const lb = require('https://cloud.google.com/nodejs/docs/reference/logging-bunyan/latest/overview.html');\n\n // Import express module and create an http server.\n const express = require('express');\n\n async function startServer() {\n const {logger, mw} = await lb.express.https://cloud.google.com/nodejs/docs/reference/logging-bunyan/latest/overview.html({\n logName: 'samples_express',\n });\n const app = express();\n\n // Install the logging middleware. This ensures that a Bunyan-style `log`\n // function is available on the `request` object. This should be the very\n // first middleware you attach to your app.\n app.use(mw);\n\n // Setup an http route and a route handler.\n app.get('/', (req, res) =\u003e {\n // `req.log` can be used as a bunyan style log method. All logs generated\n // using `req.log` use the current request context. That is, all logs\n // corresponding to a specific request will be bundled in the Stackdriver\n // UI.\n req.log.info('this is an info log message');\n res.send('hello world');\n });\n\n const port = process.env.PORT || 8080;\n\n // `logger` can be used as a global logger, one not correlated to any specific\n // request.\n https://cloud.google.com/nodejs/docs/reference/logging-bunyan/latest/logging-bunyan/express.middlewarereturntype.html.info({port}, 'bonjour');\n\n // Start listening on the http server.\n const server = app.listen(port, () =\u003e {\n console.log(`http server listening on port ${port}`);\n });\n\n app.get('/shutdown', (req, res) =\u003e {\n res.sendStatus(200);\n server.close();\n });\n }\n\n startServer();\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=logging)."]]