This is my docker-compose.yml version: '3.8' services: postgres_mlflow: image: postgres:16-alpine environment: - POSTGRES_USER=${MLFLOW_POSTGRES_USER} - POSTGRES_PASSWORD=${MLFLOW_POSTGRES_PASSWORD} - POSTGRES_DB=${MLFLOW_POSTGRES_DB} volumes: - ./mlflow/postgres_data:/var/lib/postgresql/data ports: - "5432:5432" # MLflow Tracking Server mlflow: build: ./mlflow depends_on: - postgres_mlflow environment: - AWS_ACCESS_KEY_ID=${S3_ACCESS_KEY_ID} - AWS_SECRET_ACCESS_KEY=${S3_SECRET_ACCESS_KEY} - MLFLOW_S3_ENDPOINT_URL=https://storage.yandexcloud.net command: > mlflow server --backend-store-uri postgresql://${MLFLOW_POSTGRES_USER}:${MLFLOW_POSTGRES_PASSWORD}@postgres_mlflow/${MLFLOW_POSTGRES_DB} --default-artifact-root s3://my_bucket/ --host 0.0.0.0 --port 5000 ports: - "5000:5000" At the moment mlflow.path.log_model(self.model, "best_model"), an error occurs: botocore.exceptions.NoCredentialsError: Unable to locate credentials. The training is happening on the host I decided to add the following lines to the training code (on the host): load_dotenv() os.environ["AWS_ACCESS_KEY_ID"] = os.getenv("S3_ACCESS_KEY_ID") os.environ["AWS_SECRET_ACCESS_KEY"] = os.getenv("S3_SECRET_ACCESS_KEY") os.environ["MLFLOW_S3_ENDPOINT_URL"] = ("https://storage.yandexcloud.net") After this, the error disappeared. However, in the graphical editor, in the Artifacts section, I see the error: Loading artifact failed INTERNAL_ERROR Continue reading...