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PR Preview Build

PR Preview Build #141

Workflow file for this run

name: PR Preview Build
on:
workflow_dispatch:
inputs:
pr_number:
description: 'PR number (e.g. 123)'
required: true
type: number
variant:
description: 'Dockerfile variant'
required: false
type: choice
options:
- default
- kiro
- unified
- agentcore
- antigravity
- claude
- codex
- copilot
- cursor
- devin
- gemini
- grok
- hermes
- mimocode
- native
- opencode
- pi
default: 'default'
env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}
jobs:
resolve-pr:
runs-on: ubuntu-latest
permissions:
pull-requests: read
outputs:
ref: ${{ steps.pr.outputs.ref }}
repo: ${{ steps.pr.outputs.repo }}
dockerfile: ${{ steps.df.outputs.file }}
suffix: ${{ steps.df.outputs.suffix }}
build_args: ${{ steps.df.outputs.build_args }}
tag_suffix: ${{ steps.df.outputs.tag_suffix }}
steps:
- name: Get PR branch
id: pr
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: |
PR_JSON=$(gh api repos/${{ github.repository }}/pulls/${{ inputs.pr_number }})
echo "ref=$(echo "$PR_JSON" | jq -r '.head.ref')" >> "$GITHUB_OUTPUT"
echo "repo=$(echo "$PR_JSON" | jq -r '.head.repo.full_name')" >> "$GITHUB_OUTPUT"
- name: Resolve Dockerfile
id: df
run: |
if [ "${{ inputs.variant }}" = "default" ]; then
echo "file=Dockerfile" >> "$GITHUB_OUTPUT"
echo "suffix=" >> "$GITHUB_OUTPUT"
echo "build_args=" >> "$GITHUB_OUTPUT"
echo "tag_suffix=" >> "$GITHUB_OUTPUT"
elif [ "${{ inputs.variant }}" = "kiro" ]; then
# Unified build (all platforms) tagged as :pr<N>-kiro
echo "file=Dockerfile" >> "$GITHUB_OUTPUT"
echo "suffix=" >> "$GITHUB_OUTPUT"
echo "build_args=BUILD_MODE=unified" >> "$GITHUB_OUTPUT"
echo "tag_suffix=-kiro" >> "$GITHUB_OUTPUT"
elif [ "${{ inputs.variant }}" = "unified" ]; then
# Same base Dockerfile as "default", but built with BUILD_MODE=unified
# so the telegram/line/feishu/wecom/googlechat/teams gateway adapters
# (Cargo feature `unified`) are actually compiled in. The "default"
# variant builds with openab's default Cargo features only
# (discord/slack/...), which does NOT include telegram — a PR
# touching the unified gateway path needs this variant to test
# against a real webhook, not "default".
echo "file=Dockerfile" >> "$GITHUB_OUTPUT"
echo "suffix=" >> "$GITHUB_OUTPUT"
echo "build_args=BUILD_MODE=unified" >> "$GITHUB_OUTPUT"
echo "tag_suffix=" >> "$GITHUB_OUTPUT"
else
echo "file=Dockerfile.${{ inputs.variant }}" >> "$GITHUB_OUTPUT"
echo "suffix=-${{ inputs.variant }}" >> "$GITHUB_OUTPUT"
echo "build_args=" >> "$GITHUB_OUTPUT"
echo "tag_suffix=" >> "$GITHUB_OUTPUT"
fi
build:
needs: resolve-pr
strategy:
matrix:
platform:
- { os: linux/amd64, runner: ubuntu-latest }
- { os: linux/arm64, runner: ubuntu-24.04-arm }
runs-on: ${{ matrix.platform.runner }}
permissions:
contents: read
packages: write
steps:
- uses: actions/checkout@v6
with:
repository: ${{ needs.resolve-pr.outputs.repo }}
ref: ${{ needs.resolve-pr.outputs.ref }}
- uses: docker/setup-buildx-action@v3
- uses: docker/login-action@v4
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.repository_owner }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Build and push by digest
id: build
uses: docker/build-push-action@v6
with:
context: .
file: ${{ needs.resolve-pr.outputs.dockerfile }}
platforms: ${{ matrix.platform.os }}
build-args: ${{ needs.resolve-pr.outputs.build_args }}
outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}${{ needs.resolve-pr.outputs.suffix }},push-by-digest=true,name-canonical=true,push=true
cache-from: type=gha,scope=pr-${{ inputs.variant }}-${{ matrix.platform.os }}
cache-to: type=gha,scope=pr-${{ inputs.variant }}-${{ matrix.platform.os }},mode=max
- name: Export digest
run: |
mkdir -p /tmp/digests
digest="${{ steps.build.outputs.digest }}"
touch "/tmp/digests/${digest#sha256:}"
- name: Upload digest
uses: actions/upload-artifact@v4
with:
name: digests-${{ matrix.platform.runner }}
path: /tmp/digests/*
retention-days: 1
merge:
needs: [resolve-pr, build]
runs-on: ubuntu-latest
permissions:
contents: read
packages: write
steps:
- name: Download digests
uses: actions/download-artifact@v4
with:
path: /tmp/digests
pattern: digests-*
merge-multiple: true
- uses: docker/setup-buildx-action@v3
- uses: docker/login-action@v4
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.repository_owner }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Create manifest list
run: |
IMAGE="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}${{ needs.resolve-pr.outputs.suffix }}"
docker buildx imagetools create \
-t "${IMAGE}:pr${{ inputs.pr_number }}${{ needs.resolve-pr.outputs.tag_suffix }}" \
$(printf "${IMAGE}@sha256:%s " $(ls /tmp/digests/))