Redis – Docker keeps saying "No space left on device" when there's space in device

i have two volumes attached to my ec2 instance, one is /dev/sda1 which is root volume and it is 8 Gb while there’s another volume /dev/sdb which is 500GB. I can see both volumes when i run sudo fdisk -l. I have a django server running in docker instance running on this ec2 instance and when i upload some data to server docker “I/O error, no space left on device”. How can i fix this problem?

EDIT

Following is my docker-compose.yml

# Copyright (C) 2018-2020 Intel Corporation
#
# SPDX-License-Identifier: MIT
#
version: "2.3"

services:
  cvat_db:
    container_name: cvat_db
    image: postgres:10-alpine
    networks:
      default:
        aliases:
          - db
    restart: always
    environment:
      POSTGRES_USER: root
      POSTGRES_DB: cvat
      POSTGRES_HOST_AUTH_METHOD: trust
    volumes:
      - cvat_db:/var/lib/postgresql/data

  cvat_redis:
    container_name: cvat_redis
    image: redis:4.0-alpine
    networks:
      default:
        aliases:
          - redis
    restart: always

  cvat:
    container_name: cvat
    image: cvat
    restart: always
    depends_on:
      - cvat_redis
      - cvat_db
    build:
      context: .
      args:
        http_proxy:
        https_proxy:
        no_proxy:
        socks_proxy:
        TF_ANNOTATION: "no"
        AUTO_SEGMENTATION: "no"
        USER: "django"
        DJANGO_CONFIGURATION: "production"
        TZ: "Etc/UTC"
        OPENVINO_TOOLKIT: "no"
    environment:
      DJANGO_MODWSGI_EXTRA_ARGS: ""
      ALLOWED_HOSTS: '*'
    volumes:
      - cvat_data:/home/django/data
      - cvat_keys:/home/django/keys
      - cvat_logs:/home/django/logs
      - cvat_models:/home/django/models

  cvat_ui:
    container_name: cvat_ui
    restart: always
    build:
      context: .
      args:
        http_proxy:
        https_proxy:
        no_proxy:
        socks_proxy:
      dockerfile: Dockerfile.ui

    networks:
      default:
        aliases:
          - ui
    depends_on:
      - cvat

  cvat_proxy:
    container_name: cvat_proxy
    image: nginx:stable-alpine
    restart: always
    depends_on:
      - cvat
      - cvat_ui
    environment:
      CVAT_HOST: ""
      ALLOWED_HOSTS: "*"
    ports:
      - "8080:80"
    volumes:
      - ./cvat_proxy/nginx.conf:/etc/nginx/nginx.conf:ro
      - ./cvat_proxy/conf.d/cvat.conf.template:/etc/nginx/conf.d/cvat.conf.template:ro
    command: /bin/sh -c "envsubst '$$CVAT_HOST' < /etc/nginx/conf.d/cvat.conf.template > /etc/nginx/conf.d/default.conf && nginx -g 'daemon off;'"

volumes:
  cvat_db:
  cvat_data:
  cvat_keys:
  cvat_logs:
  cvat_models: