Docker Commands - Basic

1. FROM: Specifies the base image for subsequent instructions.
2. COPY: Copies files or directories from the host into the container.
3. RUN: Executes commands in the container during image build.
4. CMD: Defines the default command to run when the container starts.
5. EXPOSE: Exposes ports for networking between the container and host.
6. ENV: Sets environment variables in the container.
7. WORKDIR: Sets the working directory for subsequent instructions.
8. VOLUME: Creates a mount point and makes it accessible from the container.
9. ENTRYPOINT: Specifies the command to run when the container starts, overriding CMD.
10. ARG: Defines build-time arguments for Docker builds.
11. LABEL: Adds metadata to an image.
12. USER: Sets the user or UID to run container processes.