Container Technology

  1. Fundamental Container Concepts
    1. Container Images
      1. Definition and Purpose
        1. Image as Template
          1. Immutable Artifacts
          2. Image Structure
            1. Image Layers
              1. Layer Composition
                1. Layer Sharing
                  1. Layer Caching
                  2. Union File Systems
                    1. OverlayFS
                      1. AUFS
                        1. Device Mapper
                        2. Immutability Principles
                          1. Read-Only Layers
                            1. Copy-on-Write
                          2. Base Images
                            1. Minimal Base Images
                              1. Alpine Linux
                                1. Distroless Images
                                  1. Scratch Images
                                  2. Custom Base Images
                                    1. Creating Base Images
                                      1. Base Image Selection Criteria
                                    2. Image Tagging and Versioning
                                      1. Tag Conventions
                                        1. Semantic Versioning
                                          1. Latest Tag Considerations
                                          2. Image Distribution
                                            1. Image Manifest Format
                                              1. Content Addressable Storage
                                                1. Image Signing and Verification
                                              2. Container Registries
                                                1. Role of Container Registries
                                                  1. Centralized Image Storage
                                                    1. Distribution Mechanism
                                                    2. Registry Architecture
                                                      1. Registry Server Components
                                                        1. Image Storage Backend
                                                          1. Metadata Management
                                                            1. Image Retrieval Process
                                                            2. Public Registries
                                                              1. Docker Hub
                                                                1. Features and Limitations
                                                                  1. Rate Limiting
                                                                  2. Quay.io
                                                                    1. Security Features
                                                                      1. Build Automation
                                                                      2. Google Container Registry
                                                                        1. Integration with GCP
                                                                          1. Vulnerability Scanning
                                                                          2. Amazon Elastic Container Registry
                                                                            1. AWS Integration
                                                                              1. Security Features
                                                                            2. Private Registries
                                                                              1. Self-Hosted Registry Solutions
                                                                                1. Docker Registry
                                                                                  1. Harbor
                                                                                    1. Nexus Repository
                                                                                    2. Access Control and Authentication
                                                                                      1. User Management
                                                                                        1. Role-Based Access Control
                                                                                          1. Token-Based Authentication
                                                                                        2. Registry Operations
                                                                                          1. Pushing Images
                                                                                            1. Image Naming Conventions
                                                                                              1. Authentication Process
                                                                                              2. Pulling Images
                                                                                                1. Image Resolution
                                                                                                  1. Layer Download Optimization
                                                                                                  2. Image Scanning and Security
                                                                                                    1. Vulnerability Assessment
                                                                                                      1. Policy Enforcement
                                                                                                  3. Container Runtimes
                                                                                                    1. Overview of Container Runtimes
                                                                                                      1. Runtime Responsibilities
                                                                                                        1. Runtime Ecosystem
                                                                                                        2. Runtime Categories
                                                                                                          1. High-Level Runtimes
                                                                                                            1. containerd
                                                                                                              1. Architecture and Features
                                                                                                                1. CRI Implementation
                                                                                                                2. CRI-O
                                                                                                                  1. Kubernetes Integration
                                                                                                                    1. OCI Compliance
                                                                                                                    2. Docker Engine
                                                                                                                      1. Legacy Runtime
                                                                                                                        1. Transition to containerd
                                                                                                                      2. Low-Level Runtimes
                                                                                                                        1. runc
                                                                                                                          1. Reference Implementation
                                                                                                                            1. OCI Runtime Specification
                                                                                                                            2. crun
                                                                                                                              1. C Implementation
                                                                                                                                1. Performance Benefits
                                                                                                                                2. Kata Containers
                                                                                                                                  1. VM-Based Isolation
                                                                                                                                    1. Security Benefits
                                                                                                                                3. Open Container Initiative Standards
                                                                                                                                  1. OCI Runtime Specification
                                                                                                                                    1. Container Lifecycle
                                                                                                                                      1. Configuration Format
                                                                                                                                      2. OCI Image Specification
                                                                                                                                        1. Image Format Standards
                                                                                                                                          1. Manifest Structure
                                                                                                                                          2. OCI Distribution Specification
                                                                                                                                            1. Registry API Standards
                                                                                                                                          3. Container Runtime Interface
                                                                                                                                            1. CRI Overview
                                                                                                                                              1. gRPC API
                                                                                                                                                1. Runtime Pluggability
                                                                                                                                              2. Container Lifecycle Management
                                                                                                                                                1. Container States
                                                                                                                                                  1. Created State
                                                                                                                                                    1. Running State
                                                                                                                                                      1. Paused State
                                                                                                                                                        1. Stopped State
                                                                                                                                                          1. Deleted State
                                                                                                                                                          2. Creating Containers
                                                                                                                                                            1. Image Selection and Pulling
                                                                                                                                                              1. Container Configuration
                                                                                                                                                                1. Resource Allocation
                                                                                                                                                                  1. Network Setup
                                                                                                                                                                  2. Starting and Stopping Containers
                                                                                                                                                                    1. Process Initialization
                                                                                                                                                                      1. Signal Handling
                                                                                                                                                                        1. Graceful Shutdowns
                                                                                                                                                                          1. Force Termination
                                                                                                                                                                          2. Container Inspection
                                                                                                                                                                            1. Runtime Information
                                                                                                                                                                              1. Resource Usage
                                                                                                                                                                                1. Process Information
                                                                                                                                                                                  1. Network Configuration
                                                                                                                                                                                  2. Container Cleanup
                                                                                                                                                                                    1. Resource Deallocation
                                                                                                                                                                                      1. Filesystem Cleanup
                                                                                                                                                                                        1. Network Cleanup