Docker Certified Associate (DCA) Certification Trainingin Bristol

Module 1: Introduction to Docker and Containerisation

• Containerisation concepts and benefits
• Containers versus virtual machines
• Docker architecture and core components
• Docker Engine, client, daemon, and registries

Module 2: Docker Installation and Environment Setup

• Docker environment installation and configuration
• Docker CLI fundamentals
• Verifying Docker Engine functionality
• Working with Docker commands and help options

Module 3: Docker Images and Image Management

• Understanding image layers and image repositories
• Pulling, tagging, listing, and removing images
• Building images with Dockerfiles
• Image caching, optimisation, and build best practices

Module 4: Container Lifecycle Management

• Creating, running, stopping, and removing containers
• Inspecting container configurations and status
• Executing commands inside running containers
• Viewing logs and managing container processes

Module 5: Dockerfile and Application Packaging

• Dockerfile instructions and build context
• Configuring application dependencies and runtime environments
• Environment variables and container startup commands
• Multi-stage builds and image-size optimisation

Module 6: Docker Networking Fundamentals

• Docker networking architecture
• Bridge, host, and overlay networking concepts
• Container communication and port publishing
• Network creation, inspection, and troubleshooting

Module 7: Docker Volumes and Persistent Storage

• Container filesystem fundamentals
• Creating and managing Docker volumes
• Bind mounts and storage configuration
• Data persistence, backup considerations, and sharing

Module 8: Docker Registry and Image Distribution

• Docker Hub and container registry concepts
• Image tagging and repository management
• Pushing and pulling container images
• Registry authentication and access management

Module 9: Docker Compose and Multi-Container Applications

• Introduction to Docker Compose
• Defining services in Compose YAML files
• Configuring application networks and volumes
• Starting, stopping, and troubleshooting multi-container environments

Module 10: Docker Security and Resource Management

• Container isolation and security fundamentals
• User permissions and least-privilege principles
• Image vulnerability awareness and trusted image selection
• CPU and memory resource constraints

Module 11: Docker Troubleshooting and Operational Best Practices

• Diagnosing container startup and runtime errors
• Analysing logs and inspecting container configuration
• Resolving common image, networking, and storage issues
• Applying naming, tagging, cleanup, and maintenance practices

Module 12: Docker in DevOps and Certification Preparation

• Integrating Docker into CI/CD workflows
• Containerised application deployment scenarios
• Introduction to orchestration and Kubernetes concepts
• Practical revision, scenario-based exercises, and assessment preparation