- ADD needs to be relative to current directory

.dockerignore

 .git*
 Dockerfile
 sonar-project.properties
+*.tar.gz
+Smarty

.gitlab-ci.yml

@@ -23,7 +23,7 @@ dockerize:
     - curl -LO https://github.com/smarty-php/smarty/archive/v{$SMARTYVER}.tar.gz
     - tar zxf v$SMARTYVER.tar.gz
     - rm v$SMARTYVER.tar.gz
-    - mv smarty-$SMARTYVER /Smarty
+    - mv smarty-$SMARTYVER Smarty
     - docker build --build-arg GIT_HASH=$CI_COMMIT_SHA
       -t $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA -t $CI_REGISTRY_IMAGE:latest
       -f Dockerfile .

Dockerfile

@@ -21,6 +21,6 @@ RUN docker-php-ext-install mysqli \
 
 ADD . /var/www/html
 
-ADD /Smarty /var/www/Smarty
+ADD Smarty /var/www/Smarty
 
 EXPOSE 80