docker-brennen

Cleanup unused Docker resources:

• Exited containers.
• Dangling images.
• Non-bridge networks.
• Dangling volumes.

Usage

Install

• On Macos with Homebrew:

brew install splo/tap/docker-brennen

• On other OSes by download:

  • Download an archive from https://github.com/splo/docker-brennen/releases/latest.
  • Unzip it.
  • Move to somewhere in your $PATH.

Running

• Get help:

$ docker-brennen --help
NAME:
   docker-brennen - cleanup unused Docker resources

USAGE:
   docker-brennen [global options] [arguments...]

GLOBAL OPTIONS:
   --force, -f  remove resources without confirmation prompt (default: false)
   --help, -h   show help (default: false)

• List all Docker resources to remove and ask for confirmation (type y) before removing them:

$ docker-brennen
TYPE       ID            DESCRIPTION
container  a8173677c544  /festive_margulis
container  c4dba3072af2  /vigilant_poincare
container  cb77822a22fe  /friendly_mclaren
container  2c90f4bada6e  /nervous_easley
container  813aef4d04ed  /wonderful_merkle
container  3444377e9cab  /naughty_mcnulty
container  9d7462c15ab4  /unruffled_jackson
image      965978555d82  <none>:<none>
network    9804c17fa710  foo/bridge
volume     94bb96074976  /var/lib/docker/volumes/94bb9607497623326ce29a9aa1fdcc3054c7d6d248b6e7c60326554817a6e184/_data
Are you sure you want to remove 7 containers, 1 images, 1 networks and 1 volumes? [y/n]
y
Container a8173677c544 removed
Container c4dba3072af2 removed
Container cb77822a22fe removed
Container 2c90f4bada6e removed
Container 813aef4d04ed removed
Container 3444377e9cab removed
Container 9d7462c15ab4 removed
Image 965978555d82 removed
Network 9804c17fa710 removed
Volume 94bb96074976 removed

Development

Building

• This is a simple standard Go project.
• Go version 1.14 is required.
• Build using go build.

Testing

• Test using go test.
• It needs an actual Docker engine running.

Running

• Build and run with go run ..
• If already built, simply run ./docker-brennen.

CI

• Continuous integration is using a GitHub Actions workflow.
• They are triggered on every Git pushes.

Release

• Releases use GoReleaser with the .goreleaser.yml configuration file.
• They are triggered on Git tags named vX.Y.Z using a GitHub Actions workflow.
• The GitHub Actions workflow requires to setup the SPLO_GITHUB_TOKEN secret.
• It creates a GitHub release with a changelog text based on Git commit comments that follow Conventional Commits.
• It pushes the new macOS binaries to the splo/tap Homebrew tap.