Compose

packages/server/package.json

@@ -2,11 +2,19 @@
   "name": "@website/server",
   "private": true,
   "type": "module",
-  "module": "./src/entrypoint.bun.ts",
+  "scripts": {
+    "dev": "NODE_ENV=development bun --hot ./src/entrypoint.bun.ts"
+  },
   "dependencies": {
+    "@effect/opentelemetry": "^0.56.6",
     "@effect/platform": "^0.90.8",
     "@effect/platform-bun": "^0.79.0",
     "@effect/rpc": "^0.69.2",
+    "@opentelemetry/exporter-trace-otlp-http": "^0.205.0",
+    "@opentelemetry/sdk-metrics": "^2.1.0",
+    "@opentelemetry/sdk-trace-base": "^2.1.0",
+    "@opentelemetry/sdk-trace-node": "^2.1.0",
+    "@opentelemetry/sdk-trace-web": "^2.1.0",
     "@website/common": "workspace:*",
     "effect": "^3.17.13"
   }

packages/server/src/server.ts

@@ -1,9 +1,16 @@
+import { NodeSdk } from "@effect/opentelemetry"
+import { OTLPTraceExporter } from "@opentelemetry/exporter-trace-otlp-http"
+import { BatchSpanProcessor } from "@opentelemetry/sdk-trace-base"
 import { Effect, flow, Layer, Logger, Match } from "effect"
 import { ServerConfig } from "./config"
 import { HttpAppDevelopment, HttpAppProduction } from "./http"
 
 
 const ServerDevelopment = Layer.empty.pipe(
+    Layer.provideMerge(NodeSdk.layer(() => ({
+        resource: { serviceName: "server" },
+        spanProcessor: new BatchSpanProcessor(new OTLPTraceExporter({ url: "http://tempo:4318/v1/traces" }))
+    }))),
     Layer.provideMerge(HttpAppDevelopment),
 )