Docker Compose

  • Why: configure relationships between containers
  • Why: save our docker container run settings in easy-to-read file
  • Why: create one-liner developer environment startups
  • Comprised of 2 separate but related things
    1. YAML-formatted file that describes our solution options for:
      • containers
      • networks
      • volumes
    2. A CLI tool docker-compose used for local dev/test automation with those YAML files

docker-compose CLI

  • CLI tool comes with Docker for Windows/Mac, but separate download for Linux
  • Not a production-grade tool but ideal for local development and test
  • Commands are here Cheat Sheet
  • If all your projects had a Dockerfile and docker-compose.yml then "new developer onboarding" would be:
    • git clone
    • docker-compose up

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