predownload tini and jenkins.war

Change-Id: Ie03ef8b7646dedbc9cc010ccdcd05a56421d521f

jenkins/Dockerfile

@@ -60,8 +60,9 @@ ENV TINI_VERSION 0.14.0
 ENV TINI_SHA 6c41ec7d33e857d4779f14d9c74924cab0c7973485d2972419a3b7c7620ff5fd
 
 # Use tini as subreaper in Docker container to adopt zombie processes
-RUN curl -fsSL https://github.com/krallin/tini/releases/download/v${TINI_VERSION}/tini-static-amd64 -o /bin/tini && chmod +x /bin/tini \
-  && echo "$TINI_SHA  /bin/tini" | sha256sum -c -
+# RUN curl -fsSL https://github.com/krallin/tini/releases/download/v${TINI_VERSION}/tini-static-amd64 -o /bin/tini && chmod +x /bin/tini \
+#  && echo "$TINI_SHA  /bin/tini" | sha256sum -c -
+COPY bin/tini /bin/tini
 
 COPY init.groovy /usr/share/jenkins/ref/init.groovy.d/tcp-slave-agent-port.groovy
 
@@ -77,8 +78,9 @@ ARG JENKINS_URL=https://repo.jenkins-ci.org/public/org/jenkins-ci/main/jenkins-w
 
 # could use ADD but this one does not check Last-Modified header neither does it allow to control checksum
 # see https://github.com/docker/docker/issues/8331
-RUN curl -fsSL ${JENKINS_URL} -o /usr/share/jenkins/jenkins.war \
-  && echo "${JENKINS_SHA}  /usr/share/jenkins/jenkins.war" | sha256sum -c -
+# RUN curl -fsSL ${JENKINS_URL} -o /usr/share/jenkins/jenkins.war \
+#  && echo "${JENKINS_SHA}  /usr/share/jenkins/jenkins.war" | sha256sum -c -
+COPY jenkins-war-2.107.2.war /usr/share/jenkins/jenkins.war
 
 ENV JENKINS_UC https://updates.jenkins.io
 ENV JENKINS_UC_EXPERIMENTAL=https://updates.jenkins.io/experimental