docker.io 20.10.25-0ubuntu1 (riscv64 binary) in ubuntu mantic

 Docker complements kernel namespacing with a high-level API which operates at
 the process level. It runs unix processes with strong guarantees of isolation
 and repeatability across servers.
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 Docker is a great building block for automating distributed systems:
 large-scale web deployments, database clusters, continuous deployment systems,
 private PaaS, service-oriented architectures, etc.