Experiment with running Docker-in-Docker

tianon · Aug 1, 2023 · 443de42 · 443de42
1 parent 6ab0040
commit 443de42
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -37,6 +37,19 @@ jobs:
     name: ${{ matrix.name }}
     runs-on: ${{ matrix.os }}
     steps:
+      - name: Tianon's Moby
+        run: |
+          # https://github.com/tianon/debian-moby
+          # https://hub.docker.com/r/infosiftr/moby
+          dir="$(mktemp -d)"
+          dir="$(readlink -ve "$dir")"
+          mkdir -p "$dir/run" "$dir/var-lib-docker"
+          host="unix://$dir/run/docker.sock"
+          docker run -d --name moby --privileged --mount "type=bind,src=$PWD,dst=$PWD" --workdir "$PWD" --mount "type=bind,src=$dir,dst=$dir" infosiftr/moby dockerd --data-root "$dir/var-lib-docker" --host "$host"
+          printf 'DOCKER_HOST=%s\n' "$host" >> "$GITHUB_ENV"
+          export DOCKER_HOST="$host"
+          timeout 10s bash -Eeuo pipefail -xc 'while ! docker version; do sleep 1; done'
+          docker logs moby
       - uses: actions/checkout@v3
       # TODO something clever with https://github.com/marketplace/actions/changed-files
       - name: Prepare Environment