Merge pull request #13 from jodlajodla/master

Added Dockerfile

Dockerfile

@@ -0,0 +1,38 @@
+# Stage 1: Build libvirt exporter
+FROM golang:alpine
+
+# Install dependencies
+RUN apk add --update git gcc g++ make libc-dev portablexdr-dev linux-headers libnl-dev perl libtirpc-dev pkgconfig wget
+RUN wget ftp://xmlsoft.org/libxml2/libxml2-2.9.4.tar.gz -P /tmp && \
+    tar -xf /tmp/libxml2-2.9.4.tar.gz -C /tmp
+WORKDIR /tmp/libxml2-2.9.4
+RUN ./configure --disable-shared --enable-static && \
+    make -j2 && \
+    make install
+RUN wget https://libvirt.org/sources/libvirt-3.2.0.tar.xz -P /tmp && \
+    tar -xf /tmp/libvirt-3.2.0.tar.xz -C /tmp
+WORKDIR /tmp/libvirt-3.2.0
+RUN ./configure --disable-shared --enable-static --localstatedir=/var --without-storage-mpath && \
+    make -j2 && \
+    make install && \
+    sed -i 's/^Libs:.*/& -lnl -ltirpc -lxml2/' /usr/local/lib/pkgconfig/libvirt.pc
+
+# Prepare working directory
+ENV LIBVIRT_EXPORTER_PATH=/go/src/github.com/kumina/libvirt_exporter
+RUN mkdir -p $LIBVIRT_EXPORTER_PATH
+WORKDIR $LIBVIRT_EXPORTER_PATH
+COPY . .
+
+# Build and strip exporter
+RUN go get -d ./... && \
+    go build --ldflags '-extldflags "-static"' && \
+    strip libvirt_exporter
+
+# Stage 2: Prepare final image
+FROM scratch
+
+# Copy binary from Stage 1
+COPY --from=0 /go/src/github.com/kumina/libvirt_exporter/libvirt_exporter .
+
+# Entrypoint for starting exporter
+ENTRYPOINT [ "./libvirt_exporter" ]