OpenTelemetry with Nginx and Node

This repository is a functional case of OpenTelemetry in a context with Nginx as a proxy server and nodes developed with NodeJS and Java.

The node clients was based on code of jonchurch otel-issues repository.

And helpful references are:

• NGINX Tutorial: How to Use OpenTelemetry Tracing to Understand Your Microservices
• Learn how to instrument nginx with OpenTelemetry

Prerequisites

• Linux: this project is developed under linux system and some changes could be necessary to run it on other SO's.
• Docker and Docker Compose
• NodeJS (at least v16.16.0)

Components

• NodeJS client
• Nginx
• Tomcat (dummy server)
• OpenTelemetry Collect
• Jaeger

Run

• Create beforehand docker network

docker network create otel-network

• Install NodeJS clients dependencies

cd apps
npm i

• Run on root folder:

docker compose up -d

• View traces on Jaeger UI: http://localhost:16686/

• Stop containers

docker compose down