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I want to convert docker-compose.yml to (a set of) runc config.json.

I found so far:

  • copying config.json from running docker container (is unreliable)
  • somehow using dockerd API to create config.json from Docker Image

None of these handle parsing of the docker-compose.yml into usable runc specification. Does there exist something like this?

kutschkem
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1 Answers1

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I ended up just using a YAML parser to parse the docker-compose.yml. It turns out there are not that many things that a runc config has to get from the docker-compose.yml

  1. read_only
  2. command
  3. working_dir
  4. environment variables
  5. tty
  6. capabilities
  7. memory limits
  8. hostname
  9. cgroup_parent
  10. pid
  11. ipc
  12. volumes

most of which are not really relevant to most configurations

kutschkem
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