How can I debug my Dockerfile?
You can debug your Dockerfile by using the docker build
command with the --no-cache
option to avoid cached layers.
What if I want to see the output of each command in the Dockerfile?
You can add the RUN
command with set -x
at the beginning of your commands to print each command before it runs.
Are there any tools that can help with Dockerfile debugging?
Yes, tools like Dive and Hadolint can help analyze and optimize your Dockerfile.
How do I use Dive for debugging?
You can install Dive and run it against your Docker image to visualize layers and see what each command does.
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