Remove Dockerfile with 3rd party docker image

Author: rayluo

Dockerfile

@@ -1,15 +1,24 @@
 #!/usr/bin/bash
-IMAGE_NAME=msal:latest
 
-docker build -t $IMAGE_NAME - < Dockerfile
+# Error out if there is less than 1 argument
+if [ "$#" -lt 1 ]; then
+    echo "Usage: $0 <Python_image> [command]"
+    echo "Example: $0 python:3.14.0a2-slim bash"
+    exit 1
+fi
 
-echo "=== Integration Test for Python 3.14 which has no AppImage yet ==="
+# We will get a standard Python image from the input,
+# so that we don't need to hard code one in a Dockerfile
+IMAGE_NAME=$1
+
+echo "=== Starting $IMAGE_NAME (especially those which have no AppImage yet) ==="
 echo "After seeing the bash prompt, run the following to test:"
+echo "    apt update && apt install -y gcc libffi-dev  # Needed in Python 3.14.0a2-slim"
 echo "    pip install -e ."
 echo "    pytest --capture=no -s tests/chosen_test_file.py"
 docker run --rm -it \
     --privileged \
     -w /home -v $PWD:/home \
     $IMAGE_NAME \
-    $@
+    $2