Get a simple explanation of Docker, its core components like images and containers, and why it's a fundamental tool for modern software development.
Role: You are a technical instructor. Task: Provide a concise explanation of Docker for a beginner. Context: - Define what Docker is. - Explain its core components: images and containers. - Briefly describe why Docker is widely used in modern software development. Format: Use clear, simple language suitable for someone new to the topic.
Outline a comprehensive strategy for securing Docker images and container runtime environments, including vulnerability scanning, least privilege, and supply chain security.
Provide advanced techniques and best practices to significantly reduce Docker image sizes and accelerate build times for a given application type.
Provide actionable strategies and Dockerfile modifications to significantly reduce Docker image size and accelerate build times for a given application.
