fix: Add instrumentation to docker start cmd

[jsingleton-dev]

I forgot to add this in my previous PR. This should load the instrumentation setup to get OTEL metrics and logs exported

Summary by CodeRabbit

• Chores
  • Updated container initialization configuration for the API service to enhance application startup handling.

[coderabbitai]

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📥 Commits

Reviewing files that changed from the base of the PR and between 04d5cdd and e1afb6c.

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• apps/api/Dockerfile

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📝 Walkthrough

Walkthrough

The API container startup command is updated to load the instrumentation module before the main application runs, switching from direct node execution to using Node's --import flag to preload ./instrumentation.js ahead of index.js.

Changes

API Instrumentation Preload

Layer / File(s)	Summary
API startup with instrumentation preload apps/api/Dockerfile	Node.js container CMD changes from node index.js to node --import ./instrumentation.js index.js, ensuring the instrumentation module loads before the API server executes.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Possibly related PRs

• ctrlplanedev/ctrlplane#1114: Adds instrumentation.ts to configure OpenTelemetry log exporting, which this Dockerfile change now ensures is loaded at API runtime.
• ctrlplanedev/ctrlplane#1110: Introduces OpenTelemetry instrumentation for the API runtime, which this Dockerfile now wires into the Node startup sequence.
• ctrlplanedev/ctrlplane#483: Updates another container (event-worker) to preload instrumentation at startup, following a similar pattern for instrumentation wiring.

Suggested reviewers

• adityachoudhari26
• mleonidas

Poem

🐰 A dockerfile tweak, oh what delight!
With --import flag, instrumentation shines bright,
Before the API runs its course,
Observability flows with force!
Telemetry whispers through the night. ✨

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch jsingleton/api-instrument-fix

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