try actually setting DEPLOY_ENV

ci/build.template.yml

@@ -3,7 +3,7 @@
     script:
         - echo "Building branch or tag -- ${IMAGE_TAG}"
         - NAME="${REGISTRY_URL}/workspaces/${SERVICE_NAME}"
-        - docker build -t ${NAME}:${IMAGE_TAG} -f ${PATH_PREFIX}${SERVICE_NAME}/Dockerfile . --build-arg DEPLOY_ENV --build-arg WS_VERSION=${VERSION} --build-arg CAPO_PROFILE=dsoc-${DEPLOY_ENV} --target prod
+        - docker build -t ${NAME}:${IMAGE_TAG} -f ${PATH_PREFIX}${SERVICE_NAME}/Dockerfile . --build-arg DEPLOY_ENV=${DEPLOY_ENV} --build-arg WS_VERSION=${VERSION} --build-arg CAPO_PROFILE=dsoc-${DEPLOY_ENV} --target prod
         - echo "TAG=${IMAGE_TAG}" >> build.env
     artifacts:
         reports: