Padam Shankhadev shankhadevpadam

## Dockerfile.md

      
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                shankhadevpadam
                / Dockerfile.md
            
            
              Created
              July 2, 2021 11:36
            
              
                Anatomy of a Dockerfile notes for myself from here: http://www.slideshare.net/dotCloud/building-images-from-dockerfiles-27105810
              
          
    Set the base image to Ubuntu must be first instruction - use docker search to find images
FROM ubuntu # <image>
FROM ubuntu:latest # - <image>:<tag>
FROM ubuntu:precise (LTS)
Set the maintainer info


## Has Meta Trait for laravel
<?php
namespace App\Traits;

use App\Meta;

trait HasMeta
{
    public function fromMeta($key)
    {
        return optional($this->meta->where('key', $key)->first())->value;
	<?php
	namespace App\Traits;

	use App\Meta;

	trait HasMeta
	{
	public function fromMeta($key)
	{
	return optional($this->meta->where('key', $key)->first())->value;