Build remote image name in update-deploy script

.travis.yml

@@ -10,6 +10,7 @@ env:
     - PROD_IMAGE_NAME=atst-prod
     - TESTER_IMAGE1_NAME=atst-tester-nocrls
     - TESTER_IMAGE2_NAME=atst-tester
+    - GIT_SHA="$(git rev-parse --short HEAD)"
 cache:
   directories:
     - crl
@@ -42,8 +43,7 @@ script:
 
 before_deploy:
   - docker build --tag "${PROD_IMAGE_NAME}" . -f deploy/docker/prod/Dockerfile
-  - git_sha="$(git rev-parse --short HEAD)"
-  - remote_image_name="${ATAT_DOCKER_REGISTRY_URL}/${PROD_IMAGE_NAME}:${git_sha}"
+  - remote_image_name="${ATAT_DOCKER_REGISTRY_URL}/${PROD_IMAGE_NAME}:${GIT_SHA}"
   - docker tag "${PROD_IMAGE_NAME}" "${remote_image_name}"
   - docker images
   - docker push "${remote_image_name}"

deploy/kubernetes/atst-update-deploy.sh

@@ -28,7 +28,7 @@ kubectl config use-context travis
 kubectl config current-context
 
 # Update the ATST deployment
-kubectl -n atat set image deployment.apps/atst atst="${remote_image_name}"
+kubectl -n atat set image deployment.apps/atst atst="${ATAT_DOCKER_REGISTRY_URL}/${PROD_IMAGE_NAME}:${GIT_SHA}"
 
 # Remove the K8S CA file when the script exits
 function cleanup {