instruction: Create a Dockerfile for Nginx, Node.js with production best practices
output: ```dockerfile
  from the
  node's memory.If a node loses connectivity to the swarm while it is running a task container
  with access to a secret, the task container still has access to its secrets, but
  cannot receive updates until the node reconnects to the swarm.You can add or inspect an individual secret at any time, or list all
  secrets. You cannot remove a secret that a running service is
  using. See Rotate a secret for a way to
  remove a secret without disrupting running services.To update or roll back secrets more easily, consider adding a version
  number or date to the secret name. This is made easier by the ability to control
  the mount point of the secret within a given container.Read more about docker secret commandsUse these links to read about specific commands, or continue to the
  example about using secrets with a service.docker secret createdocker secret inspectdocker secret lsdocker secret rm--secret flag for docker service create--secret-add and --secret-rm flags for docker service updateExamplesThis section includes three graduated examples which illustrate how to use
  Docker secrets. The images used in these examples have been updated to make it
  easier to use Docker secrets. To find out how to modify your own images in
  a similar way, see
  Build support for Docker Secrets into your images.
  NoteThese examples use a single-Engine swarm and unscaled services for
  simplicity. The examples use Linux containers, but Windows containers also
  support secrets. See Windows support.Defining and using secrets in compose filesBoth the docker-compose and docker stack commands support defining secrets
  in a compose file. See
  the Compose file reference for details.Simple example: Get started with secretsThis simple example shows how secrets work in just a few commands. For a
  real-world example, continue to
  Intermediate example: Use secrets with a Nginx service.Add a secret to Docker. The docker secret create command reads standard
  input because the last argument, which represents the file to read the
  secret
  ```