Dockerfile to build image for oceanfft container

Dockerfile.oceanfft

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# To enable access to the CUDA compiler (nvcc) during docker build operations, add "default-runtime": "nvidia" to your /etc/docker/daemon.json configuration file before attempting to build the containers:
# REMEMBER the pound sign is the comment for the Docker file, you will need to remove them for the real json file
# {
#    "runtimes": {
#        "nvidia": {sudo 
#            "path": "nvidia-container-runtime",
#            "runtimeArgs": []
#        }
#    },
#
#    "default-runtime": "nvidia"
# }

# Remember the , after "runtimes" {}
#You will then want to restart the Docker service or reboot your system before proceeding.
# $ sudo systemctl restart docker

# Run the oceanfft simulation sample
FROM nvcr.io/nvidia/l4t-base:r32.4.2

RUN apt-get update && apt-get install -y --no-install-recommends make g++
# RUN runs a command inside the container
# With the COPY command, you can copy files in the Docker build context (the directory from which you are building the Docker image) into the image
# Because the files are already in the l4t-base:r32.4.2 image, we copy them from there
# We don't really need to copy them to the tmp directory, but do it here as an example

RUN cp -r /usr/local/cuda/samples /tmp/samples
WORKDIR /tmp/samples/5_Simulations/oceanFFT
RUN make clean && make

CMD ["./oceanFFT"]