Cloud Native Development Bootcamp

Developers, Application Architects, Devops

This course combines all topics of CN100, CN120, and CN230

Containerization motivations and implementation

• Usecases
• Comparison to virtual machines

Creating, managing and auditing containers

• Container implementation from the Linux kernel
• Container lifecycle details
• Core container creation, auditing and management CLI

Best practices in container image design

• Layered filesystem implementation and performance implications
• Creating images with Dockerfiles
• Optimising image builds with multi-stage builds and image design best practices

Single-host container networking

• Docker native networking model
• Software defined networks for containers
• Docker-native single-host service discovery and routing

Provisioning external storage

• Docker volume creation and management
• Best practices and usecases for container-external storage.

Kubernetes Application Essentials

• Make effective use of pod architecture
• Deploy workloads as Kubernetes controllers
• Provision configuration at runtime to Kubernetes workloads
• Network pods together across a cluster using native services
• Provision highly available storage to Kubernetes workloads
• Package an application as a Helm chart

Container Development Environments

• Rapid development with code mounts and automatic reloading
• Attaching debuggers to containerized processes
• Installing Kubernetes development environments

Container Lifecycle

• Optimizing image design to take advantage of the container lifecycle
• Runtime operations to avoid or mitigate
• Implementing logging, resource management and healthchecks for containers
• Handling container exit
• Introduction to developer-driven operational control

Containerizing Applications

• Migrating preexisting applications from VMs to containers
• Refactoring applications for microservices
• Hybrid applications (containerized + uncontainerized)

Container Health & Monitoring

• Implementing container healthchecks with Kubernetes
• Integrating Prometheus monitoring with Kube applications

Introduction to Containerized Continuous Integration

• Differences between traditional and containerized continuous integration
• Tooling choices for CI chain components
• Recommended CI chain architecture

CI Agent Deployment

• Designing access control patterns for CI agents
• Installing and integrating Jenkins with Kubernetes

Building Images in CI

• Implementing build environments
• Designing reusable image hierarchies

Testing in CI

• Unit and integration testing in containers
• Testing pipeline design
• Integrating security scanning in a testing pipeline

Releasing Containerized Applications

• Signing images with content trust
• Packaging applications with Helm

Attendees should meet the following prerequisites:

• Familiarity with the bash shell
• Filesystem navigation and manipulation
• Command line text editors like vim or nano
• Common tooling like curl, wget and ping

Lab Requirements:

• Laptop with WiFi connectivity
• Attendees should have the latest Chrome or Firefox installed, and a free account at strigo.io.