From b33cb6c38637ffff8483f8b15763183abdbd5497 Mon Sep 17 00:00:00 2001
From: danielhanrahan <daniel.hanrahan@est.tech>
Date: Fri, 8 Jul 2022 15:52:48 +0100
Subject: Reduce size of docker images for XACML-PDP

Avoid creating extra layers when extracting tarball
Remove redundant chown/chmod commands
Reduce size of Alpine image by 32% (379MB to 259MB)
Reduce size of OpenSuse image by 23% (546MB to 423MB)

Issue-ID: POLICY-4273
Signed-off-by: danielhanrahan <daniel.hanrahan@est.tech>
Change-Id: I5b141b27d9db855c0b624612a54fc525845a02d7
---
 .../src/main/docker/Dockerfile                       | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

(limited to 'packages/policy-xacmlpdp-docker/src/main/docker/Dockerfile')

diff --git a/packages/policy-xacmlpdp-docker/src/main/docker/Dockerfile b/packages/policy-xacmlpdp-docker/src/main/docker/Dockerfile
index dd76e509..d87cfecc 100644
--- a/packages/policy-xacmlpdp-docker/src/main/docker/Dockerfile
+++ b/packages/policy-xacmlpdp-docker/src/main/docker/Dockerfile
@@ -19,6 +19,12 @@
 # SPDX-License-Identifier: Apache-2.0
 # ============LICENSE_END=========================================================
 #-------------------------------------------------------------------------------
+
+FROM busybox AS tarball
+RUN mkdir /packages /extracted
+COPY /maven/lib/policy-xacmlpdp.tar.gz /packages/
+RUN tar xvzf /packages/policy-xacmlpdp.tar.gz --directory /extracted/
+
 FROM onap/policy-jre-alpine:2.4.3
 
 LABEL maintainer="Policy Team"
@@ -39,17 +45,15 @@ ENV POLICY_HOME=$POLICY_HOME/pdpx
 RUN apk update && \
     apk add mariadb-client && \
     apk add postgresql-client && \
-    mkdir -p $POLICY_HOME $POLICY_LOGS $POLICY_HOME/etc/ssl $POLICY_HOME/bin $POLICY_HOME/apps && \
-    chown -R policy:policy $POLICY_HOME $POLICY_LOGS && mkdir /packages
+    mkdir -p $POLICY_HOME $POLICY_LOGS && \
+    chown -R policy:policy $POLICY_HOME $POLICY_LOGS
 
-COPY /maven/* /packages
-RUN tar xvfz /packages/policy-xacmlpdp.tar.gz --directory $POLICY_HOME && \
-    rm /packages/policy-xacmlpdp.tar.gz
+COPY --chown=policy:policy --from=tarball /extracted $POLICY_HOME
 
 WORKDIR $POLICY_HOME
-COPY policy-pdpx.sh  bin/.
-COPY policy-pdpx-pg.sh  bin/.
-RUN chown -R policy:policy * && chmod 755 bin/*.sh && chmod 755 mysql/bin/*.sh && chmod 755 postgres/bin/*.sh
+COPY --chown=policy:policy policy-pdpx.sh bin/
+COPY --chown=policy:policy policy-pdpx-pg.sh bin/
+RUN chmod 755 bin/*.sh
 
 USER policy
 WORKDIR $POLICY_HOME/bin
-- 
cgit 1.2.3-korg