From the course: Docker: Build and Optimize Docker Images
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Identify common Docker image build errors - Docker Tutorial
From the course: Docker: Build and Optimize Docker Images
Identify common Docker image build errors
- [Instructor] Building Docker images can feel like magic until it isn't. One minute your container spins up perfectly, and the next you're staring at a cryptic build failure. Let's walk through some of the most common errors you might encounter when building Docker images. The first error you may encounter is, Dockerfile is invalid or does not exist. I'm going to throw this error by typing docker build and then specifying the Dockerfile using the -f flag. Then I'll enter Dockerfile.error, which, of course, doesn't exist, and we'll tag our image using the same tag we've been using throughout this course. I'm going to tag this image version 2.3.7, and then we enter a period for the build context. As you can see here in the output, the error is failed to read Dockerfile, no such file or directory. You'll also see this error if the path to the Dockerfile is wrong. Make sure you're running the docker build command in the correct folder in the terminal. You can change the directory using…
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