feat: add node_exporter

rpms/node_exporter/Dockerfile

@@ -0,0 +1,21 @@
+FROM git.query.consul/unkin/almalinux9-rpmbuilder:latest
+
+# Create output directory for RPMs
+RUN mkdir -p /app/dist
+
+# Set working directory
+WORKDIR /app
+
+ARG PACKAGE_RELEASE
+ENV PACKAGE_RELEASE=${PACKAGE_RELEASE}
+ARG PACKAGE_VERSION
+ENV PACKAGE_VERSION=${PACKAGE_VERSION}
+
+# Copy nfpm.yaml from the context into the container
+COPY resources /app/resources
+
+# Download the required files
+RUN curl --output - -L https://github.com/prometheus/node_exporter/releases/download/v${PACKAGE_VERSION}/node_exporter-${PACKAGE_VERSION}.linux-amd64.tar.gz | tar --strip-components=1 -xzf -
+
+# Default command to build RPMs
+CMD /app/resources/build.sh