How to replace the var NEXT_PUBLIC_API_URI when I run docker compose command:the version: "3.8"
services:
  frontend:
    image: ghcr.io/NAME_1-xt/agent-llm-frontend:v1.0.6
    ports:
      - "80:3000"
    environment:
      NEXT_PUBLIC_API_URI: http://backend:5000
    env_file:
      - .env
    depends_on:
      - backend
  backend:
    image: ghcr.io/NAME_1-xt/agent-llm-backend:v1.0.6
    ports:
      - "5000:5000"
    env_file:
      - .env Provide response in all capital letters, no lowercase letters allowed.
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