Remote sandbox environments for learning and experimentation — without setup or cleanup. Launch fresh Linux VMs, Docker hosts, or Kubernetes clusters in seconds, publish ports, share terminal sessions, and connect over SSH.
Playgrounds contributed by the community members sharing their knowledge and expertise.
Podman Playground with Docker Compose for better Developer Experience. Docker Compose: v5.3.1
Production-grade Nexus Repository Manager 3 Community Edition on Ubuntu 24.04 - systemd-booted, Cloudflare-ready, Nginx-proxied, zero setup required.
Production-grade SonarQube 26.2 CE (LTA) on Ubuntu 24.04 - systemd-booted, PostgreSQL-backed, Nginx-proxied, Cloudflare-ready, zero setup required.
Production-grade Jenkins LTS on Ubuntu 24.04 - systemd-booted, Nginx-proxied, Cloudflare-ready, zero setup required.
A fully composed 4-node CI/CD platform - Jenkins, SonarQube, Nexus, and a Dev Machine, all running in a single Flexbox playground on a shared private network. Each service is Nginx-proxied and Cloudflare-ready. Zero setup required.
A fully configured Coder instance running on Ubuntu 24.04 with Docker support. Uses a custom OCI image with pre-installed Coder and Docker.
Hands-on Docker on Btrfs: experiment with native snapshots, compression, and checksums; inspect setup, grow the filesystem live, and back up/restore images and containers.
A playground to demonstrate dynamic admission control through native support for mutating resources during the admission phase through mutating admission policies.
A playground to demonstrate access control through Kubernetes structured authentication and structured authorization configuration.
A playground to demonstrate access control through OIDC authentication for Kubernetes.