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I'm trying to push my docker image up into the public docker registry:
$ docker login Username (binarybana): WARNING: login credentials saved in /home/jknight/.dockercfg. Login Succeeded $ docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE binarybana/dev-fedora latest 10c7881fbaca 24 hours ago 1.148 GB binarybana/fedoradev latest 10c7881fbaca 24 hours ago 1.148 GB binarybana/fedora-dev latest 10c7881fbaca 24 hours ago 1.148 GB <none> <none> b44397dc4c99 24 hours ago 1.148 GB <none> <none> a98c27ba4738 24 hours ago 1.141 GB <none> <none> 775c74a34add 24 hours ago 1.141 GB <none> <none> 2be2491d2354 24 hours ago 1.141 GB docker.io/fedora 21 93be8052dfb8 7 days ago 241.3 MB $ docker push binarybana/dev-fedora Do you really want to push to public registry? [Y/n]: Y The push refers to a repository [docker.io/binarybana/dev-fedora] (len: 0) FATA[0001] Repository does not exist: docker.io/binarybana/dev-fedora $ docker push binarybana/fedora-dev Do you really want to push to public registry? [Y/n]: Y The push refers to a repository [docker.io/binarybana/fedora-dev] (len: 0) FATA[0002] Repository does not exist: docker.io/binarybana/fedora-dev Yet, I've already created the repository (viewable here). And I've also tried to push to repository names that I haven't already created (the first try in the example above).
I think the (len: 0) has something to do with it, but I can't google it. Also I originally created the image from a dockerfile as:
docker build -t binarybana/fedora-dev . Thanks.
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To push an image to Docker Hub, you must first name your local image using your Docker Hub username and the repository name that you created through Docker Hub on the web. You can add multiple images to a repository by adding a specific :<tag> to them (for example docs/base:testing ).
The built image is then pushed to the Docker Hub registry. You can still use docker push to push pre-built images to repositories with Automated Builds configured. If you have automated tests configured, these run after building but before pushing to the registry.
Always build your image with "username" and "tag"
docker build -t <username>/dev-fedora:latest .
After building push the image
docker push <username>/dev-fedora:latest
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