input: 
  def create_tweet_publisher_pod():
      """
      Create a Kubernetes pod setup that publishes a tweet every 5 minutes.
      The pod should be named 'tweet-publisher' and use a container image specified in the input.
      The container should run a cron job that executes a Python script to publish a tweet every 5 minutes.
      The pod should also specify a volume mount for the cron job configuration.
      Example:
      create_tweet_publisher_pod()
      """
  
output:     
      pod_spec = {
          "apiVersion": "v1",
          "kind": "Pod",
          "metadata": {
              "name": "tweet-publisher",
              "labels": {
                  "app": "tweet-publisher"
              }
          },
          "spec": {
              "containers": [{
                  "name": "tweet-publisher-container",
                  "image": "your-container-image",
                  "volumeMounts": [{
                      "name": "cron-config",
                      "mountPath": "/etc/cron.d"
                  }]
              }],
              "volumes": [{
                  "name": "cron-config",
                  "configMap": {
                      "name": "cron-config"
                  }
              }]
          }
      }
      return pod_spec
  