feat(docker): update image version variable name in docker.common.env…

….jinja

.copier-template/.docker/docker.common.env.jinja

@@ -31,7 +31,7 @@ HOST_HF_HOME=${HOST_HF_HOME:-"$HOST_CACHE_DIR/huggingface"}
 DOCKER_PROJECT_NAME=${APP_NAME:-"`{{ docker_project_name }}`"}                           # The base name of the Docker image.
 DOCKER_PROJECT_ID=${DOCKER_PROJECT_ID:-"default"}                                        # The project ID associated with the Docker image to support multiple projects
 DOCKER_USERNAME=${DOCKER_USERNAME:-"`{{ docker_username }}`"}                            # The username for Docker.
-IMAGE_VERSION=${APP_VERSION:-"1.0.0"}                                                    # The version of the Docker image. If not set, "1.0.0" will be used.
+IMAGE_VERSION=${`{{ docker_image_version_variable_name }}`:-"1.0.0"}                                                    # The version of the Docker image. If not set, "1.0.0" will be used.
 CONTAINER_REGISTRY=${CONTAINER_REGISTRY:-"`{{ docker_registry }}`"}                      # The Docker registry to push the image to.
 CONTAINER_USERNAME=${USERNAME:-"`{{ docker_container_username }}`"}                      # The username of the user. If not set, the current user's username will be used.
 CONTAINER_USER_UID=${USER_UID:-"`{{ docker_container_uid }}`"}                           # The user ID in the Docker container.