Snakemake

Table of contents

What is Snakemake?

Snakemake is a workflow management system that enables scalable and reproducible data analysis workflows. It was created by Johannes Köster and is particularly popular in bioinformatics, computational biology, and data science. Snakemake uses a Python-based domain-specific language (DSL) to define workflows as rules, making them readable, maintainable, and reproducible.

Snakemake is particularly well-suited for:

  • Bioinformatics: Genomics pipelines, sequence analysis, variant calling
  • Data Science: Reproducible data analysis workflows, statistical pipelines
  • Scientific Computing: Computational research workflows, data processing
  • HPC Workflows: Workflows that need to run on high-performance computing clusters

Key features of Snakemake include:

  • Python-based: Workflows are defined using Python syntax with rule-based DSL
  • Reproducibility: Built-in support for containers (Docker, Singularity/Apptainer) and Conda environments
  • Automatic parallelization: Automatically parallelizes workflow execution based on available resources
  • Portability: Workflows can run on local machines, HPC clusters, and cloud platforms
  • Dry-run capability: Can preview workflow execution without running it
  • Rich ecosystem: Large collection of bioinformatics workflows and integrations