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devcontainer: skip legacy docker-compose in docker-in-docker #91

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Merged
bilby91 merged 1 commit into from
Jun 12, 2026
Merged

devcontainer: skip legacy docker-compose in docker-in-docker #91

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11 changes: 7 additions & 4 deletions .devcontainer/devcontainer-build.json
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Original file line number Diff line number Diff line change
Expand Up @@ -15,11 +15,14 @@
},
"ghcr.io/devcontainers/features/github-cli:1": {},
"ghcr.io/devcontainers/features/docker-in-docker:1": {
// Use Compose v2 (the `docker compose` CLI plugin), which is what the
// integration suite calls. The default "v1" has no arm64 standalone
// binary, so the feature falls back to `pip install docker-compose`,
// "none" skips the legacy `docker-compose` (hyphen) command entirely.
// The repo only uses `docker compose` v2 (runtime/docker/compose.go:
// "legacy docker-compose is not supported"), and the v2 plugin is
// installed separately via the moby-compose package regardless of this
// option. Avoiding the hyphen command is what unblocks arm64: the
// released feature installs Compose v1 there via a global `pip install`,
// which fails on bookworm under PEP 668 (externally-managed-environment).
"dockerDashComposeVersion": "v2"
"dockerDashComposeVersion": "none"
},
"ghcr.io/rocker-org/devcontainer-features/apt-packages:1": {
"packages": "make"
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