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.gitignore

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+dist/
+node_modules/

.npmignore

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+*
+!src/**/*
+!dist/**/*
+dist/**/*.test.*
+!package.json
+!README.md

README.md

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+# apollo-opentracing
+
+## Installation
+
+Run `npm install --save apollo-opentracing` given that you already setup an opentracing tracer accordingly
+
+## Setup
+
+We need three types of tracer (which could be identical if you like):
+
+- server: Only used for the root (the first span we will start)
+- local: Used to start every other span
+
+```diff
++const opentracingExtension = require("apollo-opentracing");
+const {serverTracer, localTracer} = require("./tracer);
+
+app.use(
+  "/graphql",
+  bodyParser.json(),
+  graphqlExpress({
+    schema,
++   extensions: [opentracingExtension({
++     server: serverTracer,
++     local: localTracer,
++   })]
+  })
+)
+```