fix(deploy): reliably transfer exact build image and simplify production deploy scripts

Jenkinsfile

@@ -105,8 +105,21 @@ rsync -az \
   scripts/ \
   "$APP_USER@$APP_HOST:$DEPLOY_PATH/scripts/"
 
-docker save ${IMAGE_LATEST} ${IMAGE_BUILD} \
-  | ssh -i "$SSH_KEY" "$APP_USER@$APP_HOST" 'docker load'
+echo "Deploying image tag: ${IMAGE_BUILD}"
+
+IMAGE_TAR="plesk-agency-portal-build-${BUILD_NUMBER}.tar"
+echo "Creating image archive: ${IMAGE_TAR}"
+docker save -o "${IMAGE_TAR}" "${IMAGE_BUILD}"
+ls -lh "${IMAGE_TAR}"
+
+echo "Copying image archive to remote host"
+rsync -az \
+  -e "ssh -i $SSH_KEY" \
+  "${IMAGE_TAR}" \
+  "$APP_USER@$APP_HOST:$DEPLOY_PATH/"
+
+echo "Loading image archive on remote host"
+ssh -i "$SSH_KEY" "$APP_USER@$APP_HOST" "docker load -i $DEPLOY_PATH/${IMAGE_TAR}"
 
 ssh -i "$SSH_KEY" "$APP_USER@$APP_HOST" "docker images | grep plesk-agency-portal || true"