Add docker_runner, new versioned tags, fix images order and actually apply tags

tagging/docker_runner.py

@@ -0,0 +1,29 @@
+# Copyright (c) Jupyter Development Team.
+# Distributed under the terms of the Modified BSD License.
+import docker
+import logging
+
+
+logger = logging.getLogger(__name__)
+
+
+class DockerRunner:
+    def __init__(self, image_name, docker_client=docker.from_env(), command="sleep infinity"):
+        self.container = None
+        self.image_name = image_name
+        self.command = command
+        self.docker_client = docker_client
+
+    def __enter__(self):
+        logger.info(f"Creating container for image {self.image_name} ...")
+        self.container = self.docker_client.containers.run(
+            image=self.image_name, command=self.command, detach=True,
+        )
+        logger.info(f"Container {self.container.name} created")
+        return self.container
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        logger.info(f"Removing container {self.container.name} ...")
+        if self.container:
+            self.container.remove(force=True)
+            logger.info(f"Container {self.container.name} removed")