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ci: enable BuildKit (DOCKER_BUILDKIT=1) so Dockerfile cache mounts build
Build and Push Docker Image / build (push) Failing after 3s
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The legacy builder ignores '# syntax=docker/dockerfile:1.7' and fails at the
first 'RUN --mount=type=cache' in the deps stage, which is why runs #193, #382
and #433 all died in ~3s at Step 5/38. Activating dockerd's integrated BuildKit
backend fixes the build so :latest publishes again.
This commit is contained in:
jason
2026-07-19 14:15:31 -05:00
parent 7465fc3b6c
commit d1e6add207
1 changed files with 7 additions and 0 deletions
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.gitea/workflows/docker-build.yml
+7
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@@ -25,6 +25,13 @@ jobs:
password: ${{ secrets.REGISTRY_TOKEN }} password: ${{ secrets.REGISTRY_TOKEN }}
- name: Build and Push - name: Build and Push
env:
# This Dockerfile uses BuildKit features (`# syntax=docker/dockerfile:1.7`
# and `RUN --mount=type=cache`). Without this the CLI falls back to the
# legacy builder, which ignores the syntax directive and fails at the first
# `--mount`. DOCKER_BUILDKIT=1 activates dockerd's integrated BuildKit
# backend (no separate buildx plugin required).
DOCKER_BUILDKIT: "1"
run: | run: |
IMAGE="registry.alwisp.com/${{ gitea.repository }}" IMAGE="registry.alwisp.com/${{ gitea.repository }}"
GIT_SHA="$(git rev-parse --short HEAD)" GIT_SHA="$(git rev-parse --short HEAD)"