instruction: Create a comprehensive Dockerfile for networking applications with best practices
output: ```dockerfile
  from the left-hand menu.Select Add payment method.Enter your new payment information:If you are adding a card:Select Card and fill out the card information form.If you are adding a Link payment:Select Secure, 1-click checkout with Link and enter your
  Link email address and phone number.If you don't already use Link, you must fill out the card information
  form to store a card for Link payments.If you are adding a bank account:Select US bank account.Verify your Email and Full name.If your bank is listed, select your bank's name.If your bank is not listed, select Search for your bank.To verify your bank account, see
  Verify a bank account.Select Add payment method.Optional. You can set a new default payment method by selecting
  the Set as default action.Optional. You can remove non-default payment methods by selecting
  the Delete action.
  NoteIf you want to set a US bank account as your default payment method, you must
  verify the account first.To add a payment method:Sign in to Docker Hub.Select Billing.Select the Payment methods link.Select Add payment method.Enter your new payment information:If you are adding a card:Select Card and fill out the card information form.If you are adding a Link payment:Select Secure, 1-click checkout with Link and enter your
  Link email address and phone number.If you are not an existing Link customer, you must fill out the
  card information form to store a card for Link payments.Select Add.Select the Actions icon, then select Make default to ensure that
  your new payment method applies to all purchases and subscriptions.Optional. You can remove non-default payment methods by selecting
  the Actions icon. Then, select Delete.Organization
  NoteYou must be an organization owner to make changes to the payment information.
  Docker subscription
  
  Legacy Docker subscriptionTo add a payment method:Sign in to Docker Home and select your
  organization.Select Billing.Select Payment methods
  ```