Opensearch and opensearch-dashboard image size reduction

When building an image, the RUN command grants
permissions which causes the previous layer
to be copied.

During the test, the image was reduced from 2.84GB to 1.57GB

Closes-Bug: #2104007

Change-Id: I7d2367d4c277287f4db2885f5720a35d934f94b7

Author: vurmil

docker/opensearch/opensearch-dashboards/Dockerfile.j2

@@ -12,9 +12,8 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
 
 {% set opensearch_dashboards_packages = ['opensearch-dashboards'] %}
 
-{{ macros.install_packages(opensearch_dashboards_packages | customizable("packages")) }}
-
-RUN chown -R opensearch-dashboards:opensearch-dashboards /usr/share/opensearch-dashboards
+{{ macros.install_packages(opensearch_dashboards_packages | customizable("packages")) }} \
+    && chown -R opensearch-dashboards:opensearch-dashboards /usr/share/opensearch-dashboards
 
 COPY extend_start.sh /usr/local/bin/kolla_extend_start
 RUN chmod 755 /usr/local/bin/kolla_extend_start

docker/opensearch/opensearch/Dockerfile.j2

@@ -16,9 +16,8 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
 
 ENV OPENSEARCH_INITIAL_ADMIN_PASSWORD="Kolla24OpenSearch"
 
-{{ macros.install_packages(opensearch_packages | customizable("packages")) }}
-
-RUN chown -R opensearch:opensearch /usr/share/opensearch
+{{ macros.install_packages(opensearch_packages | customizable("packages")) }} \
+    && chown -R opensearch:opensearch /usr/share/opensearch
 
 COPY extend_start.sh /usr/local/bin/kolla_extend_start
 RUN chmod 755 /usr/local/bin/kolla_extend_start