![]() ![]() Make sure to replace the $IMAGE_NAME with your image ID or the name of the Here’s an example command: $ docker run -it -entrypoint /bin/bash $IMAGE_NAME -s Instead of changing the Dockerfile, commenting out lines and rebuilding, you can override both the CMD and ENTRYPOINT commands. Your image is probably configured to directly run your app of choice inside of the container. We want to take our time, run commands and look around. We want to run a container which does not stop and go away. (You could use sh here, but that’s a bit uncomfortable at times). The best way to debug a solo crashing container is to get interactive. RUN apk add -no-cache bash coreutils grep sed You can add something like the following line to your Dockerfile for now: # If you are using Alpine: Or another equally useless number.įirst, you’ll have the best experience if bash is available in your image. Of a stopped container with $ docker ps -aĪnd finding the most recent one in the output.ĭepending on the exit code, you might have something useful to work with. Try to run your container without the -d flag, or check the exit code If you haven’t checked it yet, this might be a first hint. If you’re working with docker-compose or Docker stack, check out this article first. Without starting over, or making big changes. The following workflow which will help you figure out why your container won’t start. How close are you to stripping the Dockerfile back to Alpine and starting over? ![]() Still, the exit code you keep seeing is 1. To your Dockerfile, disabling non-vital parts just to make it work. ![]() Find out Why Your Docker Container Keeps Crashing ![]()
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