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authorSingal, Kapil (ks220y) <ks220y@att.com>2021-03-21 20:33:50 -0400
committerSingal, Kapil (ks220y) <ks220y@att.com>2021-03-21 20:35:59 -0400
commit9558e243855606a3fc617d6629fb40bb9766bf1e (patch)
tree3467d9f5ffc05884715148f6979189e02de89037
parent2b91b0229dce35744d0604fdd129d4adff3637aa (diff)
Refactoring DockerFile for multistage build
Tested locally and it reduced 2 layers and image size by approx 100MBs Issue-ID: CCSDK-3226 Signed-off-by: Singal, Kapil (ks220y) <ks220y@att.com> Change-Id: I478996f9eb91f92fb385593d0f090787cfefcb8d
-rw-r--r--opendaylight/aluminum/aluminum-alpine/src/main/docker/Dockerfile19
1 files changed, 16 insertions, 3 deletions
diff --git a/opendaylight/aluminum/aluminum-alpine/src/main/docker/Dockerfile b/opendaylight/aluminum/aluminum-alpine/src/main/docker/Dockerfile
index 9ef70db1..c4cced8a 100644
--- a/opendaylight/aluminum/aluminum-alpine/src/main/docker/Dockerfile
+++ b/opendaylight/aluminum/aluminum-alpine/src/main/docker/Dockerfile
@@ -1,10 +1,11 @@
-FROM onap/ccsdk-alpine-j11-image:${project.docker.latestfulltag.version}
-MAINTAINER CCSDK Team (onap-ccsdk@lists.onap.org)
+# Prepare stage for multistage image build
+## START OF STAGE0 ##
+FROM onap/ccsdk-alpine-j11-image:${project.docker.latestfulltag.version} AS stage0
+USER root
ENV ODL_HOME /opt/opendaylight/current
# copy the opendaylight tar and expand
-USER root
COPY ${odl.karaf.artifactId}-${ccsdk.opendaylight.version}.tar.gz /tmp/
RUN mkdir -p /opt/odl \
&& tar zxvf /tmp/${odl.karaf.artifactId}-${ccsdk.opendaylight.version}.tar.gz --directory /opt/odl \
@@ -19,6 +20,18 @@ COPY system $ODL_HOME/system
#COPY configure_cluster.sh configure-cluster-ipdetect.sh custom_shard_config.txt set_persistence.sh $ODL_HOME/bin/
#RUN chmod 755 $ODL_HOME/bin/configure_cluster.sh $ODL_HOME/bin/configure-cluster-ipdetect.sh $ODL_HOME/bin/set_persistence.sh $ODL_HOME/bin/custom_shard_config.txt
+## END OF STAGE0 ##
+
+
+## This will create actual image
+FROM onap/ccsdk-alpine-j11-image:${project.docker.latestfulltag.version}
+MAINTAINER CCSDK Team (onap-ccsdk@lists.onap.org)
+USER root
+
+ENV ODL_HOME /opt/opendaylight/current
+
+COPY --from=stage0 /opt /opt
+
# ENTRYPOINT exec /opt/opendaylight/bin/karaf
WORKDIR $ODL_HOME
USER onap