Separate image generation for prometheus exporter image

Author: carlosedp

images/prometheus-elasticsearch-exporter/Dockerfile

@@ -0,0 +1,21 @@
+FROM busybox:latest
+
+ARG VERSION
+ENV VERSION=$VERSION
+
+RUN cd /opt/ \
+    && apt-get update -q \
+    && apt-get install -q -y --no-install-recommends ca-certificates curl \
+    && curl -Lskj https://github.com/justwatchcom/elasticsearch_exporter/releases/download/v${VERSION}/elasticsearch_exporter-${VERSION}.linux-arm64.tar.gz -o elasticsearch_exporter-${VERSION}.tar.gz \
+    && tar zxvf elasticsearch_exporter-${VERSION}.tar.gz \
+    && rm elasticsearch_exporter-${VERSION}.tar.gz \
+    && mv elasticsearch_exporter-${VERSION}.linux-arm64/elasticsearch_exporter /bin \
+    && mkdir -p /var/lib/cerebro/ \
+    && rm -rf /tmp/* \
+    && apt-get autoremove --purge -y \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+EXPOSE      9108
+ENTRYPOINT  [ "/bin/elasticsearch_exporter" ]
+