Docker Fundamentals: Writing Dockerfiles and Running Containers

Modern software development relies heavily on containerization to ensure applications run reliably across different environments. This written course provides a direct, accessible pathway to understanding Docker core concepts and building your own containerized workflows from scratch. Through focused explanations and real-world command examples, you will transition from basic container concepts to confidently authoring Dockerfiles and managing container lifecycles. What you'll learn: - Understand core container concepts, terminology, and how Docker differs from traditional virtualization - Master essential Docker CLI commands for running, stopping, and inspecting containers - Write efficient Dockerfiles using proper instructions like FROM, COPY, WORKDIR, and CMD - Build, tag, and organize custom container images with lightweight base images - Manage container storage using persistent volumes and bind mounts - Configure basic container networking and expose ports correctly - Apply modern best practices for image layer caching and security hygiene The course begins with fundamental definitions and architecture basics before guiding you step-by-step through image creation, container execution, and everyday troubleshooting. Designed for complete beginners, developers, and system administrators with no prior container experience required. Start reading today to build reliable, containerized applications with Docker.