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CX Incident Response Framework

Philosophy

Every issue flows through the same pipeline. Priority is a dial that controls intensity — how fast we mobilize, how broadly we communicate, how deeply we review. Same process for an outage and a cosmetic bug, just different settings.

flowchart LR
    A[Signal] --> B[Triage]
 B --> C[Mobilize]

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Snowflake AI Cost Breakdown (Updated)

1. Snowflake Pricing Model

Snowflake charges in credits.

Our plan:

• $2 per credit

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# Exercise 4: Add Environment Variables (Python)
# Runtime: Python 3.12

# BEFORE RUNNING: Add environment variables in Lambda Console:
# Configuration → Environment variables → Edit
# - DB_HOST = db.example.com
# - API_KEY = secret-key-123

import json
import os

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// Exercise 4: Add Environment Variables (JavaScript/Node.js)
// Runtime: Node.js 20.x

// BEFORE RUNNING: Add environment variables in Lambda Console:
// Configuration → Environment variables → Edit
// - DB_HOST = db.example.com
// - API_KEY = secret-key-123

// INIT: Uses environment variables from Lambda config
const config = {

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# Exercise 3: Optimized Function with Connection Reuse (Python)
# Runtime: Python 3.12

import json
from datetime import datetime
import random

# INIT: Runs ONCE per cold start
config = {
    'initialized': datetime.now().isoformat(),

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// Exercise 3: Optimized Function with Connection Reuse (JavaScript/Node.js)
// Runtime: Node.js 20.x

// INIT: Runs ONCE per cold start - reused across invocations
const config = {
    initialized: new Date().toISOString(),
    connectionPool: `Connection-${Math.random()}`
};
console.log('INIT: Setup completed');

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# Exercise 2: API Handler with Validation (Python)
# Runtime: Python 3.12

import json

def handler(event, context):
    if not event.get('email') or '@' not in event['email']:
        return {'statusCode': 400, 'body': json.dumps({'error': 'Invalid email'})}
    if not event.get('username') or len(event['username']) < 3:
        return {'statusCode': 400, 'body': json.dumps({'error': 'Username too short'})}

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// Exercise 2: API Handler with Validation (JavaScript/Node.js)
// Runtime: Node.js 20.x

export const handler = async (event) => {
    if (!event.email || !event.email.includes('@'))
        return { statusCode: 400, body: JSON.stringify({ error: 'Invalid email' }) };
    if (!event.username || event.username.length < 3)
        return { statusCode: 400, body: JSON.stringify({ error: 'Username too short' }) };
    return {
        statusCode: 200,

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# Exercise 1: Hello World Lambda (Python)
# Runtime: Python 3.12

from datetime import datetime
import json

def handler(event, context):
    name = event.get('name', 'World')
    return {
        'statusCode': 200,

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// Exercise 1: Hello World Lambda (JavaScript/Node.js)
// Runtime: Node.js 20.x

export const handler = async (event) => {
    const name = event.name || 'World';
    return {
        statusCode: 200,
        body: JSON.stringify({
            message: `Hello ${name}!`,
            timestamp: new Date().toISOString()