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AWS CLI First #16: Infrastructure as Code: Deploying Multi-Tier Stacks with CloudFormation & SAM CLI

Transition from imperative scripts to declarative Infrastructure as Code: author production CloudFormation YAML templates, validate change sets, automate rollbacks, manage stack drifts, and build serverless apps with AWS SAM CLI.

Cloud•Sep 12, 2026

AWS OpenTofu #101: AWS Fundamentals Before Infrastructure as Code

Understand AWS core architecture—accounts, regions, availability zones, ARNs, and APIs—and discover why declarative Infrastructure as Code with OpenTofu transforms cloud engineering.

Cloud•Sep 14, 2026

AWS OpenTofu #102: Your First OpenTofu Project

Set up a clean OpenTofu workspace, configure the AWS provider with default resource tagging, provision your first S3 bucket, and master the complete init, plan, apply, and destroy lifecycle.

Cloud•Sep 15, 2026

AWS OpenTofu #103: Build a Proper S3 Bucket with Security Defaults

Fortify Amazon S3 using modern OpenTofu resource decomposition. Configure versioning, default AES-256 encryption, bucket ownership controls, and the four golden public access block rules.

Cloud•Sep 15, 2026

AWS OpenTofu #104: Variables, Outputs & Locals

Eliminate hardcoded values and copy-paste debt. Master typed input variables with custom validation rules, compute DRY naming conventions with locals, and expose critical attributes with outputs.

Cloud•Sep 15, 2026

AWS OpenTofu #106: Launch Your First EC2 Instance

Step into cloud compute. Provision a hardened Amazon EC2 virtual machine with OpenTofu, configure virtual firewall security groups, encrypt root EBS storage, and bootstrap a live web server with user data.

Cloud•Sep 15, 2026

AWS OpenTofu #107: Secure EC2 Management with IAM & SSM

Eliminate SSH key management, open port 22 vulnerabilities, and bastion hosts. Build IAM roles, attach instance profiles, and manage private EC2 instances securely with AWS Systems Manager Session Manager.

Cloud•Sep 15, 2026

AWS OpenTofu #108: IAM Policies & Least Privilege

Eliminate wildcard security vulnerabilities. Master granular IAM policies using OpenTofu policy documents, understand Principal-Action-Resource-Effect mechanics, and enforce explicit deny guardrails.

Cloud•Sep 16, 2026

AWS OpenTofu #109: VPC Fundamentals

Leave the default VPC behind. Architect and provision a secure, multi-AZ custom Virtual Private Cloud from scratch with CIDR partitioning, public/private subnets, Internet Gateways, and route tables.

Cloud•Sep 16, 2026

AWS OpenTofu #105: Data Sources & AWS Discovery

Stop hardcoding regional IDs and AMI strings. Learn how to query live AWS infrastructure dynamically using OpenTofu data sources, discover active Availability Zones, and look up golden AMIs safely.

Cloud•Sep 15, 2026

AWS OpenTofu #110: EC2 Inside Your Own VPC

Unite networking, compute, and security. Provision an Amazon EC2 instance inside a custom multi-AZ VPC, manage it via SSM with zero open ports, and trace the complete end-to-end packet flow.

Cloud•Sep 16, 2026

AWS OpenTofu #111: Security Groups & Network Troubleshooting

Master systematic AWS network debugging. Diagnose and resolve intentionally broken infrastructure: missing routes, blocked security group rules, stateless NACL traps, and absent public IPs.

Cloud•Sep 16, 2026

AWS OpenTofu #114: Build a Mini AWS Environment

Assemble VPC, multi-AZ subnets, EC2 web servers, IAM least-privilege, SSM access, and S3 into a complete modular environment with variables, locals, outputs, and validation.

Cloud•Sep 16, 2026

AWS OpenTofu #115: Final Level 100 Challenge

The ultimate capstone exam: Design and provision a compliant AWS environment from an unassisted RFP specification, remediate live drift, and execute a zero-waste audit.

Cloud•Sep 16, 2026

AWS OpenTofu #112: Understanding OpenTofu State

Deconstruct the terraform.tfstate JSON file. Master state inspection commands, resource metadata tracking, sensitive data handling, and safe state manipulation.

Cloud•Sep 16, 2026

AWS OpenTofu #113: Drift Detection & Resource Import

Detect out-of-band ClickOps changes with tofu plan and refresh, reconcile infrastructure drift, and adopt unmanaged AWS resources into code using the modern import block.

Cloud•Sep 16, 2026

AWS OpenTofu #201: From Lab Configuration to Infrastructure Project

Transition from monolithic lab scripts to a professional, Git-friendly OpenTofu project. Master file separation, version pinning, naming conventions, and common tags.

Cloud•Sep 17, 2026

AWS OpenTofu #202: Your First Reusable OpenTofu Module

Package infrastructure into modular, encapsulated components. Build a reusable multi-AZ VPC child module with clear input contracts, outputs, and local sources.

Cloud•Sep 17, 2026

AWS OpenTofu #203: Compose Infrastructure Modules

Orchestrate multi-tiered architectures by composing focused child modules. Pass outputs as inputs across networking, security, and compute layers, and master dependency graphs.

Cloud•Sep 17, 2026

AWS OpenTofu #204: for_each, count, and Dynamic Infrastructure

Eliminate list index shift bugs with for_each maps, generate flexible nested configuration using dynamic blocks, and master conditional resource provisioning.

Cloud•Sep 17, 2026

AWS OpenTofu #205: Resource Lifecycle and Safe Changes

Prevent accidental downtime and data loss using lifecycle meta-arguments: create_before_destroy, prevent_destroy, ignore_changes, and replace_triggered_by.

Cloud•Sep 17, 2026

AWS OpenTofu #206: Remote State with S3

Transition from insecure local state to an enterprise-grade remote S3 backend with bucket versioning, server-side encryption, TLS-enforced bucket policies, and seamless state migration.

Cloud•Sep 17, 2026