Hey everyone! I'm new to Docker and trying to build an image I found, but I keep running into an error during the build process. Here's the error message I'm getting: "ERROR: failed to build: failed to solve... exit code: 100." Any suggestions on what I can do to fix this?
4 Answers
Just a heads-up, make sure you have the right sequence in your apt commands. It should be 'apt-get clean && apt-get autoclean' not the other way around. That might solve your problem.
Looks like the issue might be with the openjdk-17-jre package. I had a similar problem, and when I removed that line from the Dockerfile, it built successfully. The error message also suggests that this package might not be available, or it's outdated, so double-check your sources.
It can be tricky when you try to combine shell commands like that, especially for troubleshooting. Try breaking those commands into separate RUN lines in your Dockerfile—that way you can isolate which part is failing when you rebuild your image.
Before diving deeper, it's a good idea to understand what those apt commands do. It helps to know how things work under the hood. You can find some useful guides online!

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