Merge branch 'gme-as-asset' into 'master'

gitlab-metrics-exporter: convert to asset image

Closes gitlab-org/charts/gitlab#3449

See merge request CNG!1228



Merged-by: DJ Mountney <dj@gitlab.com>
Approved-by: Mitchell Nielsen <mnielsen@gitlab.com>
Co-authored-by: Jason Plum <jplum@gitlab.com>

docs/build.md

@@ -311,7 +311,7 @@ single stage may build concurrently because they are independent of each other.
   * cfssl-self-sign (final)
   * gitlab-gomplate (intermediate)
   * gitlab-graphicsmagick (intermediate)
-  * gitlab-logger (intermediate, final)
+  * gitlab-logger (intermediate)
   * gitlab-python(intermediate)
   * kubectl (intermediate, final)
   * postgresql (intermediate)
@@ -330,7 +330,7 @@ single stage may build concurrently because they are independent of each other.
   * gitlab-exporter (final)
   * gitlab-kas (final)
   * gitlab-mailroom (final)
-  * gitlab-metrics-exporter (intermediate, final)
+  * gitlab-metrics-exporter (intermediate)
   * gitlab-pages (final)
   * gitlab-shell (final)
 
@@ -536,7 +536,8 @@ graph LR;
   gitlab-shell-.->gitlab-gomplate;
 
   gitlab-elasticsearch-indexer==>gitlab-go;
-  gitlab-metrics-exporter==>gitlab-go;
+  gitlab-metrics-exporter-->gitlab-go;
+  gitlab-metrics-exporter==>scratch;
 
   gitaly==>gitlab-ruby;
   gitaly-.->gitlab-go;

gitlab-metrics-exporter/Dockerfile

@@ -2,7 +2,7 @@ ARG CI_REGISTRY_IMAGE="registry.gitlab.com/gitlab-org/build/cng"
 ARG TAG="master"
 ARG FROM_IMAGE="$CI_REGISTRY_IMAGE/gitlab-go"
 
-FROM ${FROM_IMAGE}:${TAG}
+FROM ${FROM_IMAGE}:${TAG} as GME
 
 ARG BUILD_DIR=/tmp/build
 ARG VERSION
@@ -27,3 +27,7 @@ RUN cd ${BUILD_DIR} && \
   make install && \
   cd / && \
   rm -rf "${BUILD_DIR}"
+
+FROM scratch as final
+
+COPY --from=GME /usr/local/bin/gitlab-metrics-exporter /usr/local/bin/gitlab-metrics-exporter
\ No newline at end of file