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Lessons (40)

• Environments, Workspaces, and Multiple Accounts

  Separate development and production ownership, understand workspace limits, and configure provider aliases. Isolation has several layers Development and …

• Configuration, Secrets and Storage

  … specific settings outside the image.  ConfigMap: ordinary settings …

• Providers and Your First AWS Resources

  … Inspect the actual plan if provider behavior or configuration changes. Verify and clean up Using the output as …

• Terraform: Start Here

  … Terraform's configuration, state, and plan play similar roles. Terraform talks to services through providers . AWS, Azure, Google …

• Imports, Moved Blocks, and Safe Refactoring

  … In an AWS-configured root, write matching resource configuration and an import block: hcl resource "aws s3 bucket …

• Drift, Troubleshooting, and Disaster Recovery

  … Fix the permission or configuration issue, run a fresh plan, review it, then apply. Some failures can leave …

• Reusable Modules and Clear Interfaces

  … Default provider configurations can be inherited; aliased configurations require explicit wiring and appropriate configuration aliases declarations in the …

• State, Remote Backends, and Locking

  … Backend configuration cannot reference input variables, locals, or resource attributes. It initializes before ordinary configuration evaluation. Use partial …

• Run Containers on AWS with ECR and ECS

  … Create a task definition with CPU, memory, log configuration, and a task role. 3. Create an ECS service …

• Testing, Preconditions, and Policy Checks

  … Mock providers can test configuration logic without real API calls, but mocks cannot demonstrate real provider behavior, IAM …

• AWS: Start Here

  … Install AWS CLI v2, then configure a named profile: bash aws configure sso --profile academy aws sso login …

• Secrets, Ephemeral Values, and Least Privilege

  … In a supporting configuration: hcl variable "session token" { type = string sensitive = true ephemeral = true } This value must be …

• HCL, Resource Addresses, and Project Layout

  … Further reading: [Configuration syntax](https://developer.hashicorp.com/terraform/language/syntax/configuration), [dependency lock file](https://developer.hashicorp …

• Your First Terraform Project

  … Keep this lab separate from later AWS configurations. Further reading: [CLI workflow](https://developer.hashicorp.com/terraform/cli …

• Event-Driven Patterns, Step Functions and Reliable Lambdas

  … AWS reference: [SQS event-source configuration](https://docs.aws.amazon.com/lambda/latest/dg/services-sqs-configure.html …

• Production Capstone and Interview Practice

  … Keep the module's provider requirement; configure region and credentials in each root. Replace bucket prefix with var …

• CloudWatch: Know What Your App Is Doing

  … In ECS, configure a log driver such as awslogs ; writing stdout alone does not configure CloudWatch delivery. On …

• Serverless: Lambda and API Gateway

  … For failed asynchronous work, configure a dead-letter queue or failure destination so messages are not silently lost …

• EC2, Storage and Auto Scaling

  … Termination may delete the root volume depending on configuration. Inspect snapshots, retained volumes, and IP resources when cleaning …

• Resilience, Disaster Recovery and Multi-Region Design

  … For global tables, choose the intended consistency mode rather than assuming all configurations share the same conflict behavior …

• AWS Security Building Blocks

  … Parameter Store suits simpler configuration and can also hold secure strings. Neither means you should print secrets in …

• Dependencies, Data Sources, and Resource Lifecycle

  … Keep identity based on configuration, not an ID generated during apply. Replacement deserves attention A -/+ plan indicates destruction …

• Distributed Coordination: Consensus, Heartbeats and Gossip

  … l6/coordination.svg) Problem Tool Guarantee --- --- --- One ordered configuration/log Raft or Paxos-style consensus Majority agreement Is …

• Your Practical Kubernetes Workflow

  … desired configuration] G -- A[Argo CD or Flux] A -- K[Kubernetes cluster] This gives your team a review …

• CI/CD and Reviewed Production Changes

  … trusted plan job This shell sequence assumes a configured backend, trusted source checkout, and short-lived credentials supplied …

• CloudFront: Faster Websites and Safer File Delivery

  … Then configure CloudFront: 1. Choose the bucket's regular S3 origin, rather than its website endpoint. 2. Create …

• Practical Project: Deploy a Real CRM App on EKS

  … Prerequisites Install and configure these tools on your machine: Tool Check Used for --- --- --- AWS CLI v2 aws --version …

• State Management (Redux, Zustand, TanStack Query)

  … Redux, with far less boilerplate: js import { createSlice, configureStore } from "@reduxjs/toolkit"; const cartSlice = createSlice({ name: "cart", initialState …

• VPC Endpoints, Transit Gateway and Hybrid Networking

  … With an interface endpoint and private DNS configured, that hostname resolves to endpoint network-interface addresses in your …

• Practical Lab: S3 File Upload and CloudFront Delivery with NestJS

  … 7 } } ] } EOF aws s3api put-bucket-lifecycle-configuration --bucket $BUCKET \ --lifecycle-configuration file://lifecycle.json Verify: bash aws …

• Putting AI Systems into Production

  … Versioning and monitoring Version prompts, model identifiers, retrieval configuration, source data, and evaluation sets. Before release, run regression …

• IAM Deep Dive: Policy Evaluation, STS and Cross-Account Access

  … boundaries, plus resource policies and encryption permissions. 5. Configure a local role profile and verify the resulting caller …

• Variables, Locals, Outputs, and Validation

  Build a configurable local lab with typed inputs, useful outputs, and clear validation errors. Replace hard-coded values …

• Count, for_each, Functions, and Stable Identities

  … Those identifiers become part of the state address. hcl Keep the local provider configuration from lesson 2. variable …

• AWS Data Pipelines in Plain Language

  … the source. Query the raw CSV with Athena Configure an Athena workgroup with a private S3 query-result …

• AWS Messaging: Queues, Topics and Events

  … Observe retry attempts, visibility behavior, and movement to the configured DLQ. Diagnose it before redriving: replaying the same …

• Domains, Load Balancers and HTTPS

  … In AWS, configure the API target group's health-check path as /health and allow its port from …

• Design a Polite Web Crawler

  … Honor host policy and configured crawl limits. 2. Workers lease bounded tasks, fetch with time/size limits, and …

• S3: Store Files Safely

  … file, }); if (!response.ok) throw new Error("Upload failed"); Configure S3 CORS to permit the intended website origin …

• Services and Ingress: Let Traffic Find Your App

  … Do not put pod IP addresses in application configuration. Service types: pick the simple one first Type What …