Add Dockerfile

.dockerignore

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+*.md
+.git
+.gitignore

Dockerfile

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+ARG ARCH="amd64"
+ARG GOARCH="amd64"
+ARG GOOS="linux"
+FROM docker.io/golang:1.17-bullseye AS build
+
+# In the future, this should be refactored using HEREDOC
+# However, not yet fully supported by some tools
+RUN set -ex; \
+    apt-get update && \
+    DEBIAN_FRONTEND=noninteractive \
+    apt-get install --no-install-recommends -y \
+    \
+    slurm-wlm
+
+COPY . /go/src
+WORKDIR src
+
+RUN set -ex; \
+    go build -v -o /go/bin/prometheus-slurm-exporter
+
+FROM docker.io/${ARCH}/debian:bullseye-slim
+
+# In the future, this should be refactored using HEREDOC
+# However, not yet fully supported by some tools
+RUN set -ex; \
+    apt-get update && \
+    DEBIAN_FRONTEND=noninteractive \
+    apt-get install --no-install-recommends -y \
+    \
+    slurm-wlm \
+    \
+    && apt-get -y autoclean; apt-get -y autoremove; \
+    rm -rf /var/lib/apt/lists/*
+
+COPY --from=build /go/bin/prometheus-slurm-exporter /bin/slurm_exporter
+
+EXPOSE 8080
+USER   nobody
+# The Slurm and Munge files that need to be present at runtime
+VOLUME /etc/slurm/slurm.conf /etc/munge/munge.key /run/munge/munge.socket.2
+ENTRYPOINT  ["/bin/slurm_exporter"]