docker

i created a network with - "docker network create base"

My wordpress docker-compose.yml

version: "3"

services:
  #Wordpress (image based on Apache)
  wordpress:
    image: wordpress:latest
    restart: always
    ports:
      - "45678:80"
    environment:
      WORDPRESS_DB_HOST: db_db_1:3306
      WORDPRESS_DB_USER: 'admin'
      WORDPRESS_DB_PASSWORD: '1628'
      WORDPRESS_DB_NAME: 'wordpress'
    volumes:
      ["./:/var/www/html"]
    networks:
      - default
networks:
  default:
    external:
      name: base
      
My Database Docker-compose.yml

version: '3'

services:
  db:
    image: mysql:latest
    restart: always
    environment:
      # So you don't have to use root, but you can if you like
      MYSQL_USER: 'admin'
      # You can use whatever password you like
      MYSQL_PASSWORD: '1628'
      # Password for root access
      MYSQL_ROOT_PASSWORD: '1628'
    ports:
      # <Port exposed> : < MySQL Port running inside container>
      - '3306:3306'
    expose:
      # Opens port 3306 on the container
      - '3306'
      # Where our data will be persisted
    volumes:
      - my-db:/var/lib/mysql
    networks:
      - default
# Names our volume
volumes:
  my-db:
networks:
  default:
    external:
      name: base