Building & Distributing Docker Images

Create a basic Dockerfile using FROM, RUN, COPY, WORKDIR, and ENV to containerize a simple application.

Differentiate between CMD and ENTRYPOINT for defining a container's startup command.

Implement multi-stage builds to optimize image size and separate build-time from runtime dependencies.

Describe how layer caching optimizes the image build process and speeds up subsequent builds.

Build a Docker image from a Dockerfile using 'docker build' and explain the role of the build context.

Analyze image layers and size using 'docker history'.

Tag and version Docker images following naming conventions.

Push and pull images from a container registry such as Docker Hub.