You can use our Node.js agent to instrument Node.js applications deployed in Docker containers. This document explains how to build, configure, and deploy your Dockerized Node.js application that has been instrumented with New Relic.
With just a few additions your existing Dockerfile can be used with our Node.js agent. You'll configure the agent by running your new Docker image with environment variables set.
In the first line of your app's main module, add
Add the environment variable
NEW_RELIC_NO_CONFIG_FILE=trueto your Dockerfile so the agent can run without a configuration file.
Build your Docker image the way you normally do.
docker run -e NEW_RELIC_LICENSE_KEY=YOUR_LICENSE_KEY \ -e NEW_RELIC_APP_NAME="Your Application Name" \ your_image_name:latest
While you wait for your data to come in...
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Do not include your license key in your Dockerfile or Docker image. For more information, see our documentation on license key security.
$ docker run -e NEW_RELIC_LICENSE_KEY=YOUR_LICENSE_KEY \ -e NEW_RELIC_APP_NAME="Your Application Name" \ -e NEW_RELIC_DISTRIBUTED_TRACING_ENABLED=true \ your_image_name:latest
You can also set configuration options in your Dockerfile using
ENV NEW_RELIC_DISTRIBUTED_TRACING_ENABLED=true \NEW_RELIC_LOG=stdout# etc.