Bottlerocket 1.14: Secure OS Enhancements

Introduction

Bottlerocket 1.14, released on October 8, 2024, advances secure container OS with improved security features, enhanced container runtime support, better performance, and expanded integration capabilities. This release makes Bottlerocket more secure and efficient for container workloads.

Security Features

• Immutable filesystem provides better security through read-only root filesystem.
• SELinux enhancements provide better mandatory access control.
• Updates improvements enable atomic updates with rollback capabilities.
• Vulnerability scanning integration helps identify and remediate security issues.

Container Runtime Support

1. containerd improvements provide better containerd integration.
2. Docker support enhancements enable better Docker compatibility.
3. Runtime security improvements provide better isolation for containers.
4. Image verification enables verification of container images.

Performance Optimizations

• Boot time reductions minimize time to ready for nodes.
• Memory efficiency optimizations reduce memory footprint.
• CPU optimization reduces CPU usage.
• I/O performance improvements improve disk and network I/O.

Integration Capabilities

• Kubernetes integration improvements provide seamless integration with Kubernetes.
• Cloud provider support expands support for more cloud providers.
• Monitoring integration provides visibility into OS metrics.
• API improvements enable better programmatic access to OS capabilities.

Getting Started

# Bottlerocket is typically deployed through cloud provider AMIs
# For AWS EKS:
eksctl create cluster --node-type=m5.large --node-ami-family=Bottlerocket

Summary

Bottlerocket 1.14 continues to evolve as a leading secure container OS, providing teams with secure and efficient OS capabilities for container workloads.