Error commiting an image in docker

I am learning docker and while I was trying to commit my image I get this error

docker commit ccaa6f1933e Serret/FirstApp:1.0
invalid reference format

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  • One Solution collect form web for “Error commiting an image in docker”

    It’s seem to be that for consistency docker does not allow the capitalization of the names of the images

    docker commit ccaa6f1933e serret/firstapp:1.0
    

    when I did this it work perfectly

    Docker will be the best open platform for developers and sysadmins to build, ship, and run distributed applications.