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Apptainer: Difference between revisions
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→Creating an Apptainer Container From a Dockerfile
(→Example Use Cases: Create an Apptainer container from a Dockerfile) |
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Unfortunately some instructions for packages only provide a <code>Dockerfile</code> without a container image. A <code>Dockerfile</code> contains the instructions necessary for the Docker software to build that container. Our clusters do not have the Docker software installed. That said, if you've access to a system with both Docker and Apptainer installed, and, sufficient access to Docker (e.g., <code>sudo</code> or root access, or, you are in that system's <code>docker</code> group) and, if needed, Apptainer (e.g., <code>sudo</code> or root access, or, you have <code>--fakeroot</code> access, then you can follow the instructions below to use Docker and then Apptainer to obtain an Apptainer image on that system. | Unfortunately some instructions for packages only provide a <code>Dockerfile</code> without a container image. A <code>Dockerfile</code> contains the instructions necessary for the Docker software to build that container. Our clusters do not have the Docker software installed. That said, if you've access to a system with both Docker and Apptainer installed, and, sufficient access to Docker (e.g., <code>sudo</code> or root access, or, you are in that system's <code>docker</code> group) and, if needed, Apptainer (e.g., <code>sudo</code> or root access, or, you have <code>--fakeroot</code> access, then you can follow the instructions below to use Docker and then Apptainer to obtain an Apptainer image on that system. | ||
NOTE: Using Docker may fail if you are not in the <code>docker</code> group. Similarly, building some containers may fail with Apptainer without appropriate <code>sudo</code>, root, or <code>--fakeroot</code> permissions. It is your responsibility to ensure you've such access on the system you are running the commands below. | '''NOTE:''' Using Docker may fail if you are not in the <code>docker</code> group. Similarly, building some containers may fail with Apptainer without appropriate <code>sudo</code>, root, or <code>--fakeroot</code> permissions. It is your responsibility to ensure you've such access on the system you are running the commands below. | ||
If one only has a Dockerfile and wishes to create an Apptainer image, run the following on a computer with Docker and Apptainer installed (where you've sufficient permissions, etc.): | If one only has a Dockerfile and wishes to create an Apptainer image, run the following on a computer with Docker and Apptainer installed (where you've sufficient permissions, etc.): | ||