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Run dockerd inside the job container, drop the dind service
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The dind sidecar's hostname failed to resolve via the embedded DNS
resolver (server misbehaving), so cross-container service networking
isn't working reliably here. Run dockerd directly inside the (now
privileged) job container instead, avoiding service networking
entirely.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
Lucas Seidelin Rosenvold Christensen 2026-09-18 15:44:31 +02:00
parent 62a8480ef0
commit fdb62dfa87
1 changed files with 15 additions and 14 deletions
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27
.forgejo/workflows/build.yml
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@ -8,23 +8,18 @@ on:
jobs: jobs:
build-and-push: build-and-push:
runs-on: docker runs-on: docker
# Self-contained: don't depend on the runner injecting a docker CLI or # Fully self-contained: run dockerd inside the job container itself
# DOCKER_HOST into the default job image (observed not to be the case # rather than relying on a separate dind service container (its
# in practice). actions/checkout needs Node, so use a node image and # hostname failed to resolve via the embedded DNS resolver). Needs
# install the docker CLI, talking to our own dind sidecar. Plain # the container itself to be privileged so dockerd can run at all.
# `docker` commands (not buildx) so DOCKER_HOST is honored directly. container:
container: node:20-bookworm image: node:20-bookworm
services:
docker:
image: docker:27-dind
options: --privileged options: --privileged
env:
DOCKER_HOST: tcp://docker:2375
steps: steps:
- name: Checkout - name: Checkout
uses: actions/checkout@v4 uses: actions/checkout@v4
- name: Install Docker CLI - name: Install and start Docker
run: | run: |
apt-get update apt-get update
apt-get install -y --no-install-recommends ca-certificates curl apt-get install -y --no-install-recommends ca-certificates curl
@ -34,7 +29,13 @@ jobs:
echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian $(. /etc/os-release && echo $VERSION_CODENAME) stable" \ echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian $(. /etc/os-release && echo $VERSION_CODENAME) stable" \
> /etc/apt/sources.list.d/docker.list > /etc/apt/sources.list.d/docker.list
apt-get update apt-get update
apt-get install -y --no-install-recommends docker-ce-cli apt-get install -y --no-install-recommends docker-ce docker-ce-cli containerd.io
dockerd &
for i in $(seq 1 30); do
docker info >/dev/null 2>&1 && break
sleep 1
done
docker info >/dev/null 2>&1 || { echo "dockerd failed to start"; exit 1; }
- name: Log in to Forgejo registry - name: Log in to Forgejo registry
run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login git.rosenvold.tech -u "${{ github.actor }}" --password-stdin run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login git.rosenvold.tech -u "${{ github.actor }}" --password-stdin