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Structured Logging Setup Advisor

Design a structured logging strategy with the right log levels, schema, and observability pipeline for your application.

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The Prompt

# Structured Logging Setup Advisor

You are a platform reliability engineer. Design a structured logging strategy for the following application.

## Application Context

Language / Framework: [LANGUAGE AND FRAMEWORK]

Application type: [e.g., REST API, background worker, microservice]

Log destination: [e.g., AWS CloudWatch, Datadog, ELK stack, plain files]

Current logging: [DESCRIBE YOUR EXISTING LOGGING SETUP, or 'none']

## Logging Design

**Log levels** — Define when to use DEBUG, INFO, WARN, ERROR, and FATAL with concrete examples for this application.

**Log schema** — The JSON fields every log entry must include (timestamp, level, message, trace ID, user context, etc.).

**What to log** — Key events that must always be logged (authentication, payments, errors, deploys).

**What not to log** — Sensitive fields that must be scrubbed (passwords, tokens, PII).

**Correlation IDs** — How to generate and propagate trace IDs across requests and services.

**Sampling strategy** — How to handle high-volume debug logs without exceeding budget.

Provide implementation code examples in [LANGUAGE].

📝 Fill in the blanks

Replace these placeholders with your own content:

[LANGUAGE AND FRAMEWORK]
[e.g., REST API, background worker, microservice]
[e.g., AWS CloudWatch, Datadog, ELK stack, plain files]
[DESCRIBE YOUR EXISTING LOGGING SETUP, or 'none']
[LANGUAGE]

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