Local machine refuses to connect to an ASP.NET Core Web API container

version: '3.8'

services:
  webapi:
    image: trsaints-frontend-api
    build:
      context: .
      dockerfile: Dockerfile
    environment:
      - JWT_SINGING_KEY=${JWT_SINGING_KEY}
      - JWT_ISSUER=${JWT_ISSUER}
      - JWT_AUDIENCE=${JWT_AUDIENCE}
      - DB_HOST=db
      - DB_PORT=5432
      - DB_NAME=${DB_NAME}
      - DB_USER=${DB_USER}
      - DB_PASSWORD=${DB_PASSWORD}
      - ALLOWED_HOSTS=${ALLOWED_HOSTS}
      - ALLOWED_CORS_DOMAINS=${ALLOWED_CORS_DOMAINS}
      - ADMIN_USERNAME=${ADMIN_USERNAME}
      - ADMIN_PASSWORD=${ADMIN_PASSWORD}
      - ASPNETCORE_URLS=http://localhost:8080
    ports:
      - "8082:8080"
      - "8081:8081"
    depends_on:
      - db
    networks:
      - trsaints-network

  db:
    image: postgres:alpine3.20
    environment:
      - POSTGRES_DB=${DB_NAME}
      - POSTGRES_USER=${DB_USER}
      - POSTGRES_PASSWORD=${DB_PASSWORD}
    ports:
      - "5433:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
    networks:
      - trsaints-network

volumes:
  postgres_data:

networks:
  trsaints-network: