Docker Containerization

  1. Dockerfile and Image Building
    1. Dockerfile Fundamentals
      1. Purpose and Benefits
        1. File Structure and Syntax
          1. Instruction Format Rules
            1. Comment Usage
              1. Best Practice Guidelines
              2. Essential Dockerfile Instructions
                1. FROM Instruction
                  1. Base Image Selection
                    1. Multi-stage Build Foundations
                      1. Image Tag Specification
                      2. RUN Instruction
                        1. Command Execution
                          1. Layer Creation Impact
                            1. Shell vs Exec Form
                              1. Command Chaining
                              2. COPY vs ADD Instructions
                                1. File Copying Mechanisms
                                  1. Source Path Handling
                                    1. Destination Path Management
                                      1. ADD Additional Features
                                        1. Security Considerations
                                        2. WORKDIR Instruction
                                          1. Working Directory Management
                                            1. Path Resolution
                                              1. Directory Creation
                                              2. ENV Instruction
                                                1. Environment Variable Setting
                                                  1. Variable Scope
                                                    1. Runtime Availability
                                                    2. ARG Instruction
                                                      1. Build-time Variables
                                                        1. Variable Scope Limitations
                                                          1. Default Value Assignment
                                                          2. EXPOSE Instruction
                                                            1. Port Documentation
                                                              1. Network Configuration Hints
                                                                1. Runtime Port Publishing
                                                                2. CMD vs ENTRYPOINT Instructions
                                                                  1. Default Command Setting
                                                                    1. Execution Behavior Differences
                                                                      1. Parameter Handling
                                                                        1. Override Mechanisms
                                                                        2. USER Instruction
                                                                          1. Security Best Practices
                                                                            1. User Context Management
                                                                              1. Permission Considerations
                                                                              2. VOLUME Instruction
                                                                                1. Mount Point Declaration
                                                                                  1. Data Persistence Planning
                                                                                  2. LABEL Instruction
                                                                                    1. Metadata Management
                                                                                      1. Image Documentation
                                                                                        1. Organizational Standards
                                                                                        2. HEALTHCHECK Instruction
                                                                                          1. Container Health Monitoring
                                                                                            1. Health Check Configuration
                                                                                              1. Failure Handling
                                                                                            2. Image Building Process
                                                                                              1. Build Context Preparation
                                                                                                1. Build Command Execution
                                                                                                  1. Build Output Interpretation
                                                                                                    1. Error Diagnosis and Resolution
                                                                                                      1. Build Performance Monitoring
                                                                                                      2. Build Optimization Techniques
                                                                                                        1. Layer Caching Strategies
                                                                                                          1. Instruction Ordering
                                                                                                            1. Cache Invalidation Understanding
                                                                                                              1. Cache Efficiency Maximization
                                                                                                              2. Image Size Minimization
                                                                                                                1. Base Image Selection
                                                                                                                  1. Unnecessary File Removal
                                                                                                                    1. Package Manager Cleanup
                                                                                                                      1. Temporary File Management
                                                                                                                      2. Multi-Stage Build Implementation
                                                                                                                        1. Build Stage Separation
                                                                                                                          1. Artifact Copying
                                                                                                                            1. Final Image Optimization
                                                                                                                              1. Development vs Production Builds
                                                                                                                              2. Build Context Optimization
                                                                                                                                1. Dockerignore File Usage
                                                                                                                                  1. Context Size Minimization
                                                                                                                                    1. File Exclusion Strategies
                                                                                                                                  2. Advanced Building Techniques
                                                                                                                                    1. Build Arguments Usage
                                                                                                                                      1. Conditional Building
                                                                                                                                        1. Platform-Specific Builds
                                                                                                                                          1. Build Hooks and Automation
                                                                                                                                            1. Custom Build Tools Integration

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                                                                                                                                          5. Container Operations and Management

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                                                                                                                                          7. Docker Networking