Container Technology

Container technology is a method of operating-system-level virtualization used to deploy and run applications in isolated user-space environments called containers. Each container packages an application's code, runtime, libraries, and configuration files, allowing it to run consistently and reliably across different computing environments, from a developer's laptop to a production cloud server. Unlike traditional virtual machines that virtualize an entire hardware stack, containers share the host system's operating system kernel, making them significantly more lightweight, faster to start, and resource-efficient, which is fundamental to building and scaling modern microservices-based applications.

  1. Introduction to Container Technology
    1. Defining Container Technology
      1. What Are Containers
        1. Container Characteristics
          1. Benefits of Containerization
          2. Core Concepts of Virtualization
            1. Virtualization Overview
              1. Purpose of Virtualization
                1. Types of Virtualization
                2. Hardware Virtualization
                  1. Hypervisors
                    1. Type 1 Hypervisors
                      1. Type 2 Hypervisors
                        1. Hypervisor Functions
                        2. Virtual Machines
                          1. Guest Operating Systems
                            1. Virtual Hardware Abstraction
                              1. VM Resource Allocation
                            2. Operating System-Level Virtualization
                              1. Kernel Features for Isolation
                                1. Namespaces
                                  1. PID Namespaces
                                    1. Network Namespaces
                                      1. Mount Namespaces
                                        1. User Namespaces
                                          1. IPC Namespaces
                                            1. UTS Namespaces
                                            2. Control Groups (cgroups)
                                              1. Resource Limiting
                                                1. Resource Prioritization
                                                  1. Resource Accounting
                                                    1. Process Control
                                                  2. Containerization vs Traditional Virtualization
                                                    1. Architecture Differences
                                                      1. Performance Implications
                                                        1. Security Considerations
                                                    2. Containers vs Virtual Machines
                                                      1. Key Differences
                                                        1. Resource Utilization
                                                          1. Kernel Sharing
                                                            1. Memory Overhead
                                                              1. CPU Overhead
                                                                1. Storage Overhead
                                                                2. Startup Time and Performance
                                                                  1. Boot Times
                                                                    1. Runtime Efficiency
                                                                      1. Scalability Characteristics
                                                                      2. Portability and Consistency
                                                                        1. Environment Replication
                                                                          1. Cross-Platform Compatibility
                                                                            1. Dependency Management
                                                                            2. Isolation Levels
                                                                              1. Security Boundaries
                                                                                1. Fault Isolation
                                                                                  1. Process Isolation
                                                                                  2. Size and Footprint
                                                                                    1. Image Size Comparison
                                                                                      1. Storage Requirements
                                                                                        1. Network Footprint
                                                                                      2. Use Cases for Containers
                                                                                        1. Microservices Architectures
                                                                                          1. Continuous Integration and Continuous Deployment
                                                                                            1. Application Packaging and Distribution
                                                                                              1. Development Environment Standardization
                                                                                                1. Cloud-Native Applications
                                                                                                2. Use Cases for Virtual Machines
                                                                                                  1. Legacy Application Support
                                                                                                    1. Full Operating System Isolation
                                                                                                      1. Multi-Tenancy with Strong Security
                                                                                                        1. Running Different Operating Systems
                                                                                                          1. Compliance Requirements
                                                                                                        2. History of Containerization
                                                                                                          1. Early Concepts
                                                                                                            1. chroot
                                                                                                              1. Introduction and Purpose
                                                                                                                1. Use Cases and Limitations
                                                                                                                2. FreeBSD Jails
                                                                                                                  1. Features and Capabilities
                                                                                                                    1. Security Model
                                                                                                                    2. Solaris Zones
                                                                                                                      1. Resource Control and Isolation
                                                                                                                        1. Zone Types
                                                                                                                        2. Linux Containers (LXC)
                                                                                                                          1. Evolution and Development
                                                                                                                            1. Adoption Patterns
                                                                                                                          2. Emergence of Modern Containers
                                                                                                                            1. Docker Revolution
                                                                                                                              1. Docker's Impact on Industry
                                                                                                                                1. Democratization of Containers
                                                                                                                                2. Standardization Efforts
                                                                                                                                  1. Open Container Initiative
                                                                                                                                    1. Industry Collaboration

                                                                                                                              Go to top

                                                                                                                              Next

                                                                                                                              2. Fundamental Container Concepts