Production Templates, eBooks, Video Courses & Toolkits

#!/usr/bin/env python3
"""DevHubTools Recipe #04: Automated Cloud Backup & Slack Alert Pipeline"""
import os, shutil, datetime, urllib.request, json
from pathlib import Path

def archive_and_notify(source_dir: str, webhook_url: str) -> str:
    stamp = datetime.datetime.now(datetime.UTC).strftime("%Y%m%d_%H%M%S")
    archive_name = f"backup_{stamp}"
    archive_path = shutil.make_archive(archive_name, "gztar", root_dir=source_dir)
    size_mb = round(Path(archive_path).stat().st_size / (1024 * 1024), 2)
    payload = {"text": f"✅ Backup complete: {archive_path} ({size_mb} MB)"}
    req = urllib.request.Request(webhook_url, data=json.dumps(payload).encode(), headers={"Content-Type": "application/json"})
    urllib.request.urlopen(req, timeout=10)
    return archive_path

# Zero-Downtime AWS ECS Fargate Deployment via AWS CLI
aws ecr get-login-password --region us-east-1 | docker login --username AWS --password-stdin $AWS_ACCOUNT_ID.dkr.ecr.us-east-1.amazonaws.com
docker build -t devhub-api:latest --platform linux/amd64 .
docker tag devhub-api:latest $AWS_ACCOUNT_ID.dkr.ecr.us-east-1.amazonaws.com/devhub-api:latest
docker push $AWS_ACCOUNT_ID.dkr.ecr.us-east-1.amazonaws.com/devhub-api:latest
aws ecs update-service --cluster prod-cluster --service devhub-api --force-new-deployment

public inherited sharing class AccountTriggerHandler extends TriggerFramework {
    public override void beforeInsert() {
        for (Account acc : (List<Account>) Trigger.new) {
            if (String.isBlank(acc.Tier__c)) {
                acc.Tier__c = acc.AnnualRevenue >= 1000000 ? 'Enterprise' : 'Growth';
            }
        }
    }
    public override void afterUpdate() {
        List<Id> upgradedIds = AccountSelector.filterUpgradedEnterprise(
            (List<Account>) Trigger.new, (Map<Id, Account>) Trigger.oldMap
        );
        if (!upgradedIds.isEmpty() && !System.isBatch() && !System.isFuture()) {
            System.enqueueJob(new ProvisionEnterpriseWorkspaceJob(upgradedIds));
        }
    }
}

# Production Multi-Stage Next.js Standalone Dockerfile
FROM node:20-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build

FROM node:20-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public
EXPOSE 3000
CMD ["node", "server.js"]

import { createServer } from "node:http";
import { Transform } from "node:stream";
import { pipeline } from "node:stream/promises";

// High-throughput NDJSON streaming telemetry processor
const sanitizeStream = new Transform({
  transform(chunk, _enc, cb) {
    const line = chunk.toString().replace(/"apiKey":"[^"]+"/g, '"apiKey":"[REDACTED]"');
    cb(null, line);
  }
});

export async function meterAndExecuteAI(userId: string, prompt: string) {
  const quota = await db.query.subscriptions.findFirst({ where: eq(subscriptions.userId, userId) });
  if (!quota || quota.tokensRemaining <= 0) {
    throw new Error("QUOTA_EXCEEDED: Upgrade to Pro to unlock unlimited AI generations.");
  }
  const result = await runModelPipeline(prompt);
  await db.update(subscriptions).set({ tokensRemaining: quota.tokensRemaining - result.tokens });
  return result;
}

// Full-Stack Starter Pack Manifest (devhub.bundle.json)
{
  "bundle": "DevHubTools Full-Stack Starter Pack v2.0",
  "includedModules": [
    "01-python-automation-25-scripts/",
    "02-aws-devops-terraform-blueprints/",
    "03-react-nextjs-docker-ui-kit/",
    "04-salesforce-apex-trigger-framework/",
    "05-150-ai-copilot-claude-prompts.md",
    "06-exclusive-partner-perks-and-credits.md"
  ]
}

# .github/copilot-instructions.md (Included in Prompt Pack)
You are a Principal Full-Stack Architect. For every code generation:
1. Enforce strict TypeScript types (zero 'any').
2. Prefer early returns and explicit error boundaries.
3. Parameterize all SQL/Drizzle queries and validate inputs at API boundaries.
4. Include concise JSDoc comments explaining WHY, not WHAT.

export async function verifyWebhookSignature(rawBody: string, signature: string, secret: string) {
  const encoder = new TextEncoder();
  const key = await crypto.subtle.importKey("raw", encoder.encode(secret), { name: "HMAC", hash: "SHA-256" }, false, ["sign"]);
  const mac = await crypto.subtle.sign("HMAC", key, encoder.encode(rawBody));
  const computed = Buffer.from(mac).toString("hex");
  return computed === signature;
}