Generic Cause
Building in workspace /var/jenkins_home/workspace/smartcity_updatedocker
[smartcity_updatedocker] $ /bin/sh -xe /tmp/jenkins1004451048173818963.sh
+ docker pull registry.gitlab.com/smartcityio/smartcityio/web:latest
/tmp/jenkins1004451048173818963.sh: 2: /tmp/jenkins1004451048173818963.sh: docker: not found
Build step 'Execute shell' marked build as failure
Finished: FAILURE