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Technologies

The stack you'll actually be asked about.

Every technology here is a lab, a sandbox, or both — counted from the catalog, not a marketing list. If it's on this page, you can open it in the browser today.

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AWS6 labs · sandbox · certificate

Real accounts: EC2, Lambda, S3, VPC, ECS, RDS — plus Bedrock and Rekognition in the AI labs.

  1. Attach an Application Load Balancer to EC2 Auto Scaling Group
  2. AWS Cloud Computing Essentials
  3. Working with NoSQL Databases: A Beginner's Guide to AWS DynamoDB
  4. Getting Started with Virtual Private Cloud (VPC) in AWS
  5. + 2 more
EC2 playgroundus-east-1 · real account● 60:00
student@ec2:~$ aws ec2 run-instances --image-id ami-0c02fb55956c7d316 --instance-type t3.micro
i-0a7c3e9f2b1d4e8a6 pending → running
Open the EC2 sandbox →See the AWS labs →
Docker9 labs · sandbox · certificate

Nine labs from first container to a shipped Compose stack; a real daemon to play in.

  1. Docker · 1 — Container Foundations
  2. Docker · 2 — Building Images
  3. Docker · 3 — Sharing Images & Registries
  4. Docker · 4 — Data & Persistence
  5. + 5 more
Docker playgroundreal daemon● 60:00
student@docker:~$ docker run -d -p 8080:80 nginx && docker ps --format "{{.Names}} {{.Status}}"
nginx_1 Up 2 seconds
Open the Docker sandbox →See the Docker labs →
Kubernetes10 labs · sandbox · certificate

Ten labs to production practices; a cluster you can break.

  1. Kubernetes · 1 — Foundations
  2. Kubernetes · 2 — Workloads
  3. Kubernetes · 3 — Services & Networking
  4. Kubernetes · 4 — Configuration
  5. + 6 more
Kubernetes playgroundreal cluster● 60:00
student@kubernetes:~$ kubectl create deployment web --image=nginx && kubectl get pods
web-7d9c 1/1 Running
Open the Kubernetes sandbox →See the Kubernetes labs →
Terraform7 labs · sandbox · certificate

HCL to modules to a real deploy; plan/apply against a sidecar.

  1. Terraform · 1 — Infrastructure as Code Foundations
  2. Terraform · 2 — The Configuration Language
  3. Terraform · 3 — Providers & Real Infrastructure
  4. Terraform · 4 — State Management
  5. + 3 more
Terraform playgroundLocalStack sidecar● 60:00
student@terraform:~$ terraform apply -auto-approve | tail -1
Apply complete! Resources: 2 added, 0 changed, 0 destroyed.
Open the Terraform sandbox →See the Terraform labs →
Linux7 labs · sandbox · certificate

Seven labs on a full Ubuntu; the shell everything else stands on.

  1. Linux · 1 — Foundations
  2. Linux · 2 — Shell & Text Power
  3. Linux · 3 — Users & Permissions
  4. Linux · 4 — Processes & Services
  5. + 3 more
Linux playgroundfull Ubuntu● 60:00
student@linux:~$ cat /etc/os-release | head -2 && whoami
Ubuntu 24.04 LTS
student (sudo)
Open the Linux sandbox →See the Linux labs →
PostgreSQL7 labs · sandbox · certificate

Joins, indexes, EXPLAIN, JSONB — on PostgreSQL 16.

  1. PostgreSQL · 1 — Relational Foundations & Schema Design
  2. PostgreSQL · 2 — CRUD & Everyday Queries
  3. PostgreSQL · 3 — Joins & Relationships
  4. PostgreSQL · 4 — Advanced SQL: CTEs, Windows, JSONB & Full-Text
  5. + 3 more
PostgreSQL 16 playgroundpsql● 60:00
student@postgresql:~$ psql -c "SELECT version();"
PostgreSQL 16.3 on x86_64-pc-linux-gnu
Open the PostgreSQL 16 sandbox →See the PostgreSQL labs →
React & Node.js7 labs · sandbox · certificate

React and Node series that end in CineList, a deployed MERN app.

  1. React · 1 — Foundations
  2. React · 2 — Components & Props
  3. React · 3 — State & Events
  4. React · 4 — Hooks
  5. + 3 more
Node.js 20 playgroundnpm · Express-ready● 60:00
student@nodejs:~$ node -e "console.log(process.version)"
v20.15.1
Open the Node.js 20 sandbox →See the React & Node.js labs →
Python & AI6 labs · sandbox · certificate

LLM foundations to a built assistant; Python with pandas and Jupyter.

  1. AI · 1 — Foundations of AI & LLMs
  2. AI · 2 — Prompt Engineering Fundamentals
  3. AI · 3 — Reasoning & Examples
  4. AI · 4 — Responsible & Trustworthy AI
  5. + 2 more
Python 3.11 playgroundpip · jupyter● 60:00
student@python:~$ python3 -c "import pandas, numpy; print(pandas.__version__)"
2.2.2
Open the Python 3.11 sandbox →See the Python & AI labs →
Technologies

The stack you'll actually be asked about.

Every logo here is a lab, a sandbox, or both — counted from the catalog, not a marketing list. If it's on this wall, you can open it in the browser today.

Cloud

AWS9 labs · 6 sandboxes
Azuresandbox coming
Google Cloudsandbox coming

DevOps

Linux7 labs · sandbox
Docker9 labs · sandbox
Kubernetes10 labs · sandbox
Terraform7 labs · sandbox
GitHub Actions5 labs
Git6 labs · sandbox

Full stack

JavaScript12 labs
React15 labs
Node.js7 labs · sandbox
MongoDB7 labs · sandbox
MySQL7 labs · sandbox
PostgreSQL7 labs · sandbox
Java & Spring7 labs · sandbox

AI & data

LLMs & prompting6 labs
Python10 labs · sandbox
Hugging Facein AI labs
On the roadmap

Covered inside labs, or coming as sandboxes.

These show up inside existing labs (Jenkins, Helm, Redis, LangChain) or are queued as sandboxes (Azure, Google Cloud). They're listed so you know the plan — not counted as labs.

AzureGoogle CloudJenkinsAnsibleGitLab CIHeHelmArArgoCDReRedisLaLangChainHugging FacePrPrometheusGrGrafana

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