micromamba-docker’s documentation

Micromamba for fast building of small Conda-based containers.

Images available on Dockerhub at mambaorg/micromamba and GHCR at ghcr.io/mamba-org/micromamba. Source code on GitHub at mamba-org/micromamba-docker.

“This is amazing. I switched CI for my projects to micromamba, and compared to using a miniconda docker image, this reduced build times more than 2x”

—A new micromamba-docker user

Contents:

• Tags
• Quick Start
  • Running commands in Dockerfile within the conda environment
• Supported Shells
• Advanced Usages
  • Pass list of packages to install within a Dockerfile RUN command
  • Using a lockfile
  • Multiple environments
  • Changing the user id or name
  • Disabling automatic activation
  • Details about automatic activation
  • Adding micromamba to an existing Docker image
  • On docker exec ...
  • Use of the ENTRYPOINT command within a Dockerfile
  • Use of the SHELL command within a Dockerfile
• Making Small Images
• Support
• Frequently Asked Questions
  • Why am I getting the error libmamba Could not solve for environment specs?
  • Why do I get errors when building the example Dockerfiles?
  • Why am I getting the error critical libmamba Subprocess call failed. Aborting.?
  • How do I install software using apt/apt-get/apk?
  • How can I stop micromamba from hanging when emulating a different CPU architecture?
  • How can I use a mambaorg/micromamba based image in a GitHub Action?
  • How can I use a mambaorg/micromamba based image with apptainer?
• Contributing
• Development
  • Branches
  • Testing
  • Road map
  • Policies

• Search Page