title: Trying to run postgres on docker. It gives error
body: <p>I am trying to run postgres on docker with this cmd and It gives error</p>
  <p>PS D:\Data Engineering with Zoomcamp&gt;   <code>docker run -it -e POSTGRES_USER=&quot;root&quot; -e POSTGRES_PASSWORD=&quot;root&quot; -e POSTGRES_DB=&quot;ny_taxi&quot;D:\Data Engineering with Zoomcamp\ny_taxi_postgres:/var/lib/postgresql/data -p 5432:5432 postgres:13</code></p>
  <blockquote>
  <p>docker: invalid reference format: repository name must be lowercase.
  See 'docker run --help'.</p>
  </blockquote>