How do I build a Docker image using the command line?
To build a Docker image, you can use the command docker build -t <image_name> <path>
. Replace <image_name>
with your desired image name and <path>
with the directory containing your Dockerfile.
What if I want to specify a different Dockerfile?
You can specify a different Dockerfile using the -f
option: docker build -f <Dockerfile_path> -t <image_name> <path>
.
Can I build an image from a Git repository?
Yes, you can build an image directly from a Git repository by using the repository URL as the build context: docker build -t <image_name> <git_repo_url>
.
What are some common options I can use with the build command?
Some common options include --no-cache
to build without cache, --pull
to always attempt to pull a newer version of the base image, and --build-arg
to pass build-time variables.
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