Polishing.

Extract docker credentials into properties file.

See #73

Author: mp911de

Jenkinsfile

@@ -37,8 +37,8 @@ pipeline {
 
 			steps {
 				script {
-					docker.withRegistry('', 'hub.docker.com-springbuildmaster') {
-						docker.image(p['docker.java.lts.image']).inside(p['docker.java.inside.basic']) {
+					docker.withRegistry(p['docker.registry'], p['docker.credentials']) {
+						docker.image(p['docker.java.main.image']).inside(p['docker.java.inside.basic']) {
 							sh 'MAVEN_OPTS="-Duser.name=jenkins -Duser.home=/tmp/jenkins-home" ./mvnw -Pwith-bom-client verify -B -U'
 						}
 					}
@@ -64,8 +64,8 @@ pipeline {
 
 			steps {
 				script {
-					docker.withRegistry('', 'hub.docker.com-springbuildmaster') {
-						docker.image(p['docker.java.lts.image']).inside(p['docker.java.inside.basic']) {
+					docker.withRegistry(p['docker.registry'], p['docker.credentials']) {
+						docker.image(p['docker.java.main.image']).inside(p['docker.java.inside.basic']) {
 							sh 'MAVEN_OPTS="-Duser.name=jenkins -Duser.home=/tmp/jenkins-home" ./mvnw -Partifactory ' +
 									'-Dartifactory.server=https://repo.spring.io ' +
 									"-Dartifactory.username=${ARTIFACTORY_USR} " +

ci/pipeline.properties

@@ -22,3 +22,7 @@ docker.cassandra.3.version=3.11.10
 # Docker environment settings
 docker.java.inside.basic=-v $HOME:/tmp/jenkins-home
 docker.java.inside.docker=-u root -v /var/run/docker.sock:/var/run/docker.sock -v /usr/bin/docker:/usr/bin/docker -v $HOME:/tmp/jenkins-home
+
+# Credentials
+docker.registry=
+docker.credentials=hub.docker.com-springbuildmaster