minrk

"""sample jupyterhub config file for testing

configures jupyterhub with dummyauthenticator and simplespawner
to enable testing without administrative privileges.
"""

c = get_config()  # noqa

# c.JupyterHub.authenticator_class = "dummy"

minrk

channels:
  - conda-forge
dependencies:
  - jupyterlab
  - jupyter_server_documents

minrk

# SCM syntax highlighting & preventing 3-way merges
pixi.lock merge=binary linguist-language=YAML linguist-generated=true

minrk

minrk

#!/usr/bin/env python3
# (c) 2026 Min RK
# License: BSD-3-Clause
# /// script
# requires-python = ">=3.11"
# dependencies = [
#   "click",
#   "rich",
# ]
# ///

minrk

channels:
  - conda-forge
dependencies:
  - python=3.12

minrk

mamba 2.6 performance test

this is a replication of the repo2docker tests/conda/downgrade test (environment files are unmodified), which is dramatically slower after upgrading mamba to 2.6.

Two stages:

1. install initial frozen environment (@explicit file, no solve):

minrk

apiVersion: batch/v1
kind: Job
metadata:
  name: s3-clone
spec:
  parallelism: 1
  template:
    metadata:
      labels:
        app: cloner

minrk

FROM python:3.13-slim
RUN pip install boto3
COPY s3rmrf.py /usr/local/bin/s3rmrf.py

minrk

apiVersion: batch/v1
kind: Job
metadata:
  name: s3-delete
spec:
  parallelism: 1
  template:
    metadata:
      labels:
        app: deleter