first add

dcgm-exporter/Dockerfile.prometheus

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+# syntax=docker/dockerfile:1
+
+ARG PROMETHEUS_VERSION="2.45.6"
+
+FROM ubuntu:22.04
+
+ARG DEBIAN_FRONTEND="noninteractive"
+ENV DEBIAN_FRONTEND=${DEBIAN_FRONTEND}
+ARG HTTP_PROXY
+ARG HTTPS_PROXY
+ENV http_proxy=${HTTP_PROXY}
+ENV https_proxy=${HTTPS_PROXY}
+
+# 替换 sources.list 文件以使用阿里云镜像源
+# RUN sed -i 's|http://archive.ubuntu.com/ubuntu/|http://mirrors.aliyun.com/ubuntu/|g' /etc/apt/sources.list && \
+#     sed -i 's|http://security.ubuntu.com/ubuntu|http://mirrors.aliyun.com/ubuntu|g' /etc/apt/sources.list
+
+
+# 安装必要的工具和库
+RUN apt-get update && \
+    apt-get install -y wget vim bash ca-certificates
+
+RUN wget https://github.com/prometheus/prometheus/releases/download/v${PROMETHEUS_VERSION}/prometheus-${PROMETHEUS_VERSION}.linux-amd64.tar.gz && \
+    tar xvfz prometheus-${PROMETHEUS_VERSION}.linux-amd64.tar.gz && \
+    mv prometheus-${PROMETHEUS_VERSION}.linux-amd64 /opt/prometheus && \
+    rm prometheus-${PROMETHEUS_VERSION}.linux-amd64.tar.gz
+
+COPY prometheus.yml /opt/prometheus/prometheus.yml
+
+EXPOSE 9090
+
+CMD ["/opt/prometheus/prometheus", "--config.file=/opt/prometheus/prometheus.yml"]