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Developer Security & Observability

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Overview

Secure applications and make them observable. Remove hardcoded secrets by using service accounts and Secret Manager, secure API endpoints with API Gateway and in-function validation, publish custom metrics and dashboards in Cloud Monitoring, and add distributed tracing with Cloud Trace across HTTP requests, Cloud Functions, and Firestore.

Syllabus

Unit 1: Secure Credential Management

Update the Secret Payload with Port and New Password
Parsing Secret Payloads from Google Cloud Secret Manager
Use Constants for Secret Names Instead of Hardcoded Strings
Handle missing secrets gracefully with Google Cloud Secret Manager
Validating Retrieved Secrets for Required Fields and Data Integrity

Unit 2: Securing API Endpoints with Firebase Authentication

Fix Authorization Header Casing in API Token Check
Complete the Token Validation Logic for API Authorization
Complete the Authorization Result for Protected API Endpoints
Enhance the Protected API Handler with User and Request Details
Making Your API Authorization Function Bulletproof with Error Handling

Unit 3: Google Cloud Monitoring Essentials

Create a Histogram and Record Values
Batch Emitting Multiple Metrics in a Single Call
Fix OTel Configuration and Export Timing
Build a Complete Application Monitoring Workflow in Python

Unit 4: Distributed Tracing Fundamentals

Fixing the Tracing Configuration
Enable Automatic Tracing with OpenTelemetry Instrumentation
Add a Custom Span to Trace a Datastore Write Operation
Tracing Multiple Operations with Named Spans
Fixing Broken OpenTelemetry Tracing for Google Cloud Firestore Operations

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