View source for Docker useful yaml files

=== mysql.yaml ===
 version: '3.9'
 
 services:
     mysql:
         image: mysql:8
         restart: always
         ports:
             - 3306:3306
         expose:
             - 3306
         environment:
             MYSQL_ROOT_PASSWORD: mysql
         volumes:
             - ${PWD}/data/mysql:/var/lib/mysql

=== postgresql.yaml ===
 version: '3.9'
 
 services:
     postgres:
         image: postgres
         restart: always
         ports:
             - 5432:5432
         expose:
             - 5432
         environment:
             POSTGRES_PASSWORD: postgres
         volumes:
             - ${PWD}/data/postgresql:/var/lib/postgresql/data

=== owncloud.yaml ===
 version: '3.1'
 
 services:
   owncloud:
     image: owncloud
     restart: always
     ports:
       - 8080:80
     volumes:
         - /docker/owncloud/var_www_html/:/var/www/html
   mysql:
     image: mariadb
     restart: always
     environment:
       MYSQL_ROOT_PASSWORD: example
     volumes:
         - /docker/owncloud/var_lib_mysql:/var/lib/mysql