In file './docker-compose.yml', services 'image' must be a mapping not a string

Question

wordpress:
  image: wordpress
  links:
    - wordpress_db:mysql
  ports:
    - 8080:80
wordpress_db:
  image: mariadb
  environment:
    MYSQL_ROOT_PASSWORD: edureka
phpmyadmin:
  image: corbinu/docker-phpmyadmin
  links:
    - wordpress_db:mysql
  ports:
    - 8181:80
  environment:
    MYSQL_USERNAME: root
    MYSQL_ROOT_PASSWORD: edureka

Answer 1

Minimal docker-compose.yaml file:

version: "3.9"
services:
  web:
    image: nginx:alpine
    ports:
     - 80:80

For run: docker compose up

For run in background: docker compose up -d

For stop and delete: docker compose down