Open Source on GitHub

Startup-Scale Landing Zone

A stripped-down, opinionated, production-ready Azure Landing Zone designed for startups and digital-native teams. Built for companies with 5–50 engineers that need to get Azure right from day one without enterprise complexity.

Quick Start View on GitHub

$ cat tldr.md

One management group, two subscriptions (Prod + Non-Prod) is all you need to start. Don't over-engineer your hierarchy.

Skip the hub network, Azure Firewall, and dedicated Connectivity subscription until you actually have hybrid/on-prem requirements or 10+ workloads.

Enable Defender for Cloud CSPM (free) + Defender for Servers P2 on prod only. Turn on diagnostic settings to a single Log Analytics workspace. That's your security baseline.

Set budget alerts at 50%, 80%, and 100% of your monthly burn. Tag everything with environment and team. No exceptions.

Deploy this in under 1 hour with Bicep or Terraform. Graduate to full ALZ when you hit ~50 engineers, multi-region, or regulatory compliance requirements.

Why This Landing Zone

Enterprise-grade foundations without enterprise complexity.

⚡

1 Hour Deploy

From zero to production-ready Azure with Bicep or Terraform. No consultants required.

⚖

2 Subscriptions

One management group, prod + non-prod. Simple hierarchy that grows with you.

🛡

Security Built-in

Defender for Cloud, RBAC, NSG deny-all defaults, policy enforcement from day one.

💰

Cost Aware

Budget alerts at 50/80/100%, tag enforcement, and reservation guidance built in.

How It Compares

ALZ (Enterprise Scale)

100+ modules, months to understand, built for 10k-seat enterprises

ALZ-Bicep

Still enterprise-scoped, overwhelming for a 10-person startup

CAF Terraform Module

Enterprise-scoped, in extended support (archived Aug 2026). Microsoft recommends migrating to Azure Verified Modules.

This Project

Deploys in 1 hour. Grows with you. Written for engineers, not consultants.

Architecture Overview

Simple, self-contained subscriptions. No hub network, no Azure Firewall — until you need them.

Management Hierarchy

Tenant Root Group

⚖ mg-<yourcompany> Policies

sub-<yourcompany>-prod Production workloads

sub-<yourcompany>-nonprod Dev / Staging / QA

Network Layout

vnet-<co>-prod 10.0.0.0/16

snet-aks/20

snet-app/22

snet-data/22

snet-shared/24

vnet-<co>-nonprod 10.1.0.0/16

snet-aks/20

snet-app/22

snet-data/22

snet-shared/24

No VNet peering — each subscription is self-contained

Quick Start

From zero to production-ready in under an hour.

Prerequisites

5 min

Clone the repo, log in to Azure, and validate your environment. You'll need Azure CLI, two subscriptions (prod + nonprod), and Owner permissions.

Show commands

git clone https://github.com/ricmmartins/sslz.git
cd sslz

az login
az account set --subscription <YOUR_PROD_SUBSCRIPTION_ID>

# Validates CLI tools, Azure auth, provider registrations, and permissions
./scripts/validate-prerequisites.sh

Management Groups (Optional)

5 min

Create the management group hierarchy. Requires tenant-level permissions (Owner on Tenant Root Group). Skip if you don't have access — the landing zone works without it.

Bicep command

az deployment tenant create \
  --location eastus2 \
  --template-file infra/bicep/modules/management-groups.bicep \
  --parameters \
    companyName='<yourcompany>' \
    prodSubscriptionId='<PROD_SUB_ID>' \
    nonprodSubscriptionId='<NONPROD_SUB_ID>'

Terraform command

cd infra/terraform/modules/management-groups
terraform init
terraform apply \
  -var='subscription_id=<ANY_SUB_ID>' \
  -var='company_name=<yourcompany>' \
  -var='prod_subscription_id=<PROD_SUB_ID>' \
  -var='nonprod_subscription_id=<NONPROD_SUB_ID>'
cd ../../../..

Deploy

20 min

Deploy the landing zone — policies, networking, monitoring, Defender for Cloud, and budgets. Copy the parameter file, edit with your values, preview with what-if/plan, then deploy.

Bicep commands

cd infra/bicep

# Copy and edit parameters (companyName, emails, budget, etc.)
cp parameters/prod.bicepparam parameters/prod.local.bicepparam

# Preview changes (no resources created)
az deployment sub what-if \
  --location eastus2 \
  --template-file main.bicep \
  --parameters parameters/prod.local.bicepparam

# Deploy
az deployment sub create \
  --location eastus2 \
  --template-file main.bicep \
  --parameters parameters/prod.local.bicepparam \
  --name "lz-prod-$(date +%Y%m%d-%H%M%S)"

Terraform commands

cd infra/terraform

# Copy and edit variables (subscription_id, company_name, emails, etc.)
cp terraform.tfvars.example terraform.tfvars

terraform init
terraform plan -out=tfplan    # Preview changes
terraform apply tfplan        # Deploy

Verify

5 min

Confirm resource groups, Log Analytics, policies, and Defender plans were created correctly.

Show commands

# Check resource groups
az group list \
  --query "[?contains(name, 'yourcompany')].name" -o tsv

# Check Log Analytics workspace
az monitor log-analytics workspace list \
  --query "[].name" -o tsv

# Check policy assignments
az policy assignment list \
  --query "[].displayName" -o tsv

# Check Defender plans
az security pricing list \
  --query "value[?pricingTier=='Standard'].{Name:name, Tier:pricingTier}" -o table

# Check security contact
az security contact show --name default \
  --query "{Email:emails, Roles:notificationsByRole.roles}" -o table

# Check budget
az consumption budget list \
  --query "[].{Name:name, Amount:amount, TimeGrain:timeGrain}" -o table

# Check NSG rules
az network nsg list --query "[].name" -o tsv

Post-Deploy

30 min

Assign RBAC roles to your team, set up CI/CD with Workload Identity Federation, and enable cost anomaly alerts. See the Day-1 Checklist below.

Teardown commands (if needed)

# Remove all landing zone resources
./scripts/teardown.sh --tool terraform --env nonprod --company yourcompany
./scripts/teardown.sh --tool bicep --env nonprod --company yourcompany

Full Deployment Guide

Day-1 Checklist

90 minutes from zero to production-ready. Three phases, one afternoon.

⚙

Pre-Deployment

30 min

Verify Entra ID tenant is set up, custom domain added
Enable Security Defaults (Entra ID > Properties > Security Defaults)
Create break-glass account with hardware MFA key
Create security group sg-azure-admins, add 2-3 founders/leads

⚡

Deploy

30 min

Run Bicep or Terraform deployment — see Step 3 above
Verify resources in Azure Portal

✓

Post-Deployment

30 min

Assign sg-azure-admins as Owner on the management group
Create Entra ID groups: sg-azure-developers, sg-azure-readers
Assign RBAC roles (see Security docs)
Set up CI/CD with Workload Identity Federation
Test a sample deployment end-to-end

What's Included

✓

Management Groups

Single MG with two subscriptions underneath

✓

Azure Policy

Microsoft Cloud Security Benchmark (audit), required tags, allowed locations

✓

Networking

VNet + subnets per subscription, NSGs with deny-all-inbound default

✓

Monitoring

Log Analytics workspace, Activity Log forwarding, diagnostic settings policy

✓

Security

Defender for Cloud CSPM, Defender for Servers P2 (prod), MFA via Security Defaults

✓

Cost Management

Budget alerts at 50/80/100%, tagging enforcement

✓

CI/CD

GitHub Actions workflows for Bicep and Terraform

What's NOT Included (By Design)

Enterprise components you should add later when needed.

–

Hub VNet + Azure Firewall Add when hybrid connectivity or centralized egress control required

–

ExpressRoute / VPN Gateway Add when on-prem connectivity needed

–

Multiple MG layers Add when 5+ subscriptions with different policy needs

–

Private DNS Zones at scale Add when 3+ PaaS services using Private Endpoints across VNets

–

Advanced Conditional Access Add when 30+ Azure users or regulated customer data

–

PIM (Privileged Identity Management) Add when you need just-in-time admin access (Series B+)

Graduation Guide

Starter Examples

Pre-built configurations for common startup archetypes.

Documentation

Practical guides written for engineers, not consultants.

Startup-Scale Landing Zone

Why This Landing Zone

1 Hour Deploy

2 Subscriptions

Security Built-in

Cost Aware

How It Compares

ALZ (Enterprise Scale)

ALZ-Bicep

CAF Terraform Module

This Project

Architecture Overview

Management Hierarchy

Network Layout

Quick Start

Prerequisites

Management Groups (Optional)

Deploy

Verify

Post-Deploy

Day-1 Checklist

Pre-Deployment

Deploy

Post-Deployment

What's Included

Management Groups

Azure Policy

Networking

Monitoring

Security

Cost Management

CI/CD

What's NOT Included (By Design)

Starter Examples

SaaS Startup

AI Startup

API-First Startup

Documentation

Architecture Decisions

Resource Inventory

Networking Deep Dive

Security Baseline

Cost Management

CI/CD Setup

Troubleshooting

Graduation Guide

Architecture Diagrams