diff --git a/Makefile b/Makefile
index 1a4d1d9..6007c4d 100644
--- a/Makefile
+++ b/Makefile
@@ -7,16 +7,26 @@ up: run
 run: build
 	docker compose up
 
-build: jupyter/Dockerfile jupyter/cuda.deb
-	docker compose build
-
-jupyter/cuda.deb:
-	curl https://developer.download.nvidia.com/compute/cuda/12.0.0/local_installers/cuda-repo-debian11-12-0-local_12.0.0-525.60.13-1_amd64.deb -o cuda.deb
+build: jupyter/Dockerfile
+	docker compose build --progress plain
 
 down:
 	docker compose down
 
-
-.PHONY: default up run down build
+# all of this assumes there's a single Nvidia GPU
+precheck:
+	echo hihi
+	lspci | grep -i nvidia | head | awk '{ print $1 }'
+	DEVICE := $(shell lspci | grep -i nvidia | head | awk '{ print $1 }')
+	FILE   := /sys/bus/pci/devices/0000:${DEVICE}/numa_node
+	NUMA_STATE := $(shell cat ${FILE})
+	if [[ ${NUMA_STATE} -ne 0 ]]; then \
+		echo "NUMA is not connected to your GPU.  Try:"; \
+		echo "    echo 0 | sudo tee ${FILE}"; \
+		exit 1; \
+	fi
+
+
+.PHONY: default up run down build precheck
 
 
diff --git a/docker-compose.yaml b/docker-compose.yaml
index acd61f6..77179c7 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -6,12 +6,14 @@ services:
     build:
       context: ./jupyter
       dockerfile: Dockerfile
+    privileged: true
     restart: unless-stopped
     ports:
       - 0.0.0.0:9001:9001
+      - 0.0.0.0:6006:6006 # for TensorBoard
     volumes:
       - ./notebooks:/notebooks
-      - ./jupyter/overrides.json:/opt/conda/share/jupyter/lab/settings/overrides.json
+      - ./jupyter/overrides.json:/usr/local/share/jupyter/lab/settings/overrides.json
     environment:
       - JUPYTER_TOKEN=12345
     devices:
diff --git a/jupyter/Dockerfile b/jupyter/Dockerfile
index 3be3bc1..852afba 100644
--- a/jupyter/Dockerfile
+++ b/jupyter/Dockerfile
@@ -1,35 +1,71 @@
 
-FROM continuumio/miniconda3
+FROM nvcr.io/nvidia/tensorflow:24.01-tf2-py3
+
+
+ENV DEBIAN_FRONTEND noninteractive
+
+# get miniconda3 installed
+# cribbed from https://github.com/ContinuumIO/docker-images/blob/main/miniconda3/debian/Dockerfile
+RUN apt-get update -q && \
+    apt-get install -q -y --no-install-recommends \
+        bzip2 \
+        ca-certificates \
+        git \
+        libglib2.0-0 \
+        libsm6 \
+        libxext6 \
+        libxrender1 \
+        mercurial \
+        openssh-client \
+        procps \
+        subversion \
+        wget \
+        curl \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN  ls /usr/local/lib/python3.10/dist-packages && true
+RUN /bin/false
+
+
+ENV PATH /opt/conda/bin:$PATH
+ARG CONDA_VERSION=py311_23.11.0-1
+
+RUN cd /tmp \
+    && curl "https://repo.anaconda.com/miniconda/Miniconda3-${CONDA_VERSION}-Linux-x86_64.sh" -o miniconda.sh \
+    && mkdir -p /opt \
+    && bash miniconda.sh -b -p /opt/conda \
+    && rm miniconda.sh \
+    && ln -s /opt/conda/etc/profile.d/conda.sh /etc/profile.d/conda.sh \
+    && echo ". /opt/conda/etc/profile.d/conda.sh" >> ~/.bashrc \
+    && echo "conda activate base" >> ~/.bashrc \
+    && find /opt/conda/ -follow -type f -name '*.a' -delete \
+    && find /opt/conda/ -follow -type f -name '*.js.map' -delete \
+    && /opt/conda/bin/conda clean -afy
+
+
 
 RUN conda update -y -n base -c conda-forge conda
 
-RUN conda create -y --name jupyter python=3.10
+RUN conda create -y --name jupyter
 
-# CUDA toolkit 12.0 is not available in conda-forge, and my host OS has 12.0
-COPY cuda.deb /tmp
-RUN dpkg -i /tmp/cuda.deb && rm /tmp/cuda.deb
-
-RUN CONDA_OVERRIDE_CUDA=12.0 \
-    conda install -n jupyter --quiet -y -c conda-forge \
-         jupyterlab \
+RUN conda run --no-capture-output -n jupyter \
+    pip3 install --user --force-reinstall --ignore-installed \
+    tensorflow[with-gpu] \
          keras \
-         cudnn \
          keras-tuner \
          numpy \
          h5py \
-         tensorflow=2.15 \
     && /bin/true  # only added to make the installed package lines consistent
 
-RUN conda install -n jupyter --quiet -y -c conda-forge \
+RUN pip3 install \
          pandas \
          librosa \
          matplotlib \
-         pyarrow \
-         pydot \
          pillow \
+         keras-tuner \
     && /bin/true # as above
 
-SHELL      ["conda",   "run",                        "-n", "jupyter", "/bin/bash",  "-c"]
-ENTRYPOINT ["conda",   "run", "--no-capture-output", "-n", "jupyter" ]
-CMD        ["jupyter", "lab", "--ip", "0.0.0.0", "--port", "9001", "--no-browser", "--allow-root", "--LabApp.token=''", "--notebook-dir=/notebooks", "--ResourceUseDisplay.track_cpu_percent=True" ]
+ENV LD_LIBRARY_PATH /usr/local/cuda-12.0/compat:/usr/local/cuda-12.0/targets/x86_64-linux/lib/:$LD_LIBRARY_PATH
 
+CMD        ["jupyter", "lab", "--ip", "0.0.0.0", "--port", "9001", "--no-browser", "--allow-root", "--LabApp.token=''", "--notebook-dir=/notebooks", "--ResourceUseDisplay.track_cpu_percent=True" ]