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Dockerfile.txt

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+FROM python:3.10-slim
+# Can happen early, almost never changes
+WORKDIR /opt/app
+
+# Install packages that we need.
+# Again does not change often 
+ENV DEBIAN_FRONTEND noninteractive
+RUN apt-get update && \
+    apt-get upgrade -yq ca-certificates && \
+    apt-get install -yq --no-install-recommends \
+    prometheus-node-exporter
+
+# Some environment variables that don't change often
+EXPOSE 7860
+EXPOSE 8000
+EXPOSE 9100
+ENV GRADIO_SERVER_NAME="0.0.0.0"
+
+# We put this near the end since it can change
+COPY requirements.txt requirements.txt
+RUN pip install --no-cache-dir -r /opt/app/requirements.txt
+
+# This changes the most, so it goes last!
+COPY . .
+CMD bash -c "prometheus-node-exporter --web.listen-address=':9100' & python /opt/app/app.py"