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Build, Publish & Release (Bitcoin Core) #70

Build, Publish & Release (Bitcoin Core)

Build, Publish & Release (Bitcoin Core) #70

name: Build, Publish & Release (Bitcoin Core)
on:
workflow_dispatch: {}
schedule:
- cron: "17 5 * * *" # daily
concurrency:
group: btc-bitcoin
cancel-in-progress: false
env:
DOCKERHUB_REPO: magicdude4eva/btc-bitcoin
BUILD_CONTEXT: bitcoin
DOCKERFILE_PATH: bitcoin/Dockerfile
PLATFORM: linux/amd64
jobs:
build-and-push:
runs-on: ubuntu-latest
permissions:
contents: write # needed to create a GitHub Release
steps:
- name: Checkout
uses: actions/checkout@v4
- name: Detect latest Bitcoin Core version (from /en/download/)
id: latest
run: |
set -euo pipefail
html=$(curl -fsSL https://bitcoincore.org/en/download/)
ver=$(printf "%s" "$html" \
| grep -Eo 'Latest version: *[0-9]+(\.[0-9]+)+' \
| head -n1 | sed -E 's/.*:[[:space:]]*//')
# Fallback to /en/releases/ if needed
if [ -z "${ver:-}" ]; then
rel=$(curl -fsSL https://bitcoincore.org/en/releases/)
ver=$(printf "%s" "$rel" \
| grep -Eo 'Bitcoin Core [0-9]+(\.[0-9]+)+' \
| head -n1 | sed -E 's/Bitcoin Core //')
fi
test -n "$ver"
echo "version=$ver" >> "$GITHUB_OUTPUT"
echo "Latest detected: $ver"
- name: Skip if tag already on Docker Hub
id: hubcheck
run: |
set -euo pipefail
ver='${{ steps.latest.outputs.version }}'
code=$(curl -s -o /dev/null -w "%{http_code}" \
"https://hub.docker.com/v2/repositories/${{ env.DOCKERHUB_REPO }}/tags/${ver}")
echo "hub_status=$code" >> "$GITHUB_OUTPUT"
if [ "$code" = "200" ]; then
echo "skip=true" >> "$GITHUB_OUTPUT"
echo "Tag $ver already exists - skipping."
else
echo "skip=false" >> "$GITHUB_OUTPUT"
echo "Tag $ver not found - will build."
fi
- name: Set up Buildx
if: steps.hubcheck.outputs.skip == 'false'
uses: docker/setup-buildx-action@v3
- name: Log in to Docker Hub
if: steps.hubcheck.outputs.skip == 'false'
uses: docker/login-action@v3
with:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}
- name: Build and push Docker image
if: steps.hubcheck.outputs.skip == 'false'
id: build
uses: docker/build-push-action@v6
with:
context: ${{ env.BUILD_CONTEXT }}
file: ${{ env.DOCKERFILE_PATH }}
platforms: ${{ env.PLATFORM }}
push: true
build-args: |
BITCOIN_VERSION=${{ steps.latest.outputs.version }}
tags: |
${{ env.DOCKERHUB_REPO }}:latest
${{ env.DOCKERHUB_REPO }}:${{ steps.latest.outputs.version }}
labels: |
org.opencontainers.image.source=https://github.com/${{ github.repository }}
org.opencontainers.image.version=${{ steps.latest.outputs.version }}
org.opencontainers.image.title=btc-bitcoin
org.opencontainers.image.description=Bitcoin Core full node image for Synology NAS
- name: Prepare release artifacts
if: steps.hubcheck.outputs.skip == 'false'
run: |
set -euo pipefail
echo "${{ steps.latest.outputs.version }}" > bitcoin-version.txt
# build-push-action outputs .digest for the manifest list/image
echo "${{ steps.build.outputs.digest }}" > image-digest.txt
- name: Update Docker Hub description from ./bitcoin/README.md
if: steps.hubcheck.outputs.skip == 'false'
uses: peter-evans/dockerhub-description@v4
with:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}
repository: ${{ env.DOCKERHUB_REPO }}
readme-filepath: ./bitcoin/README.md
short-description: Bitcoin Core full node image for Synology NAS, tailored for local solo mining and full validation
- name: Create GitHub Release
if: steps.hubcheck.outputs.skip == 'false'
uses: softprops/action-gh-release@v2
with:
tag_name: bitcoin-${{ steps.latest.outputs.version }}
name: Bitcoin Core ${{ steps.latest.outputs.version }}
target_commitish: ${{ github.sha }}
generate_release_notes: true
body: |
New Bitcoin Core image published.
Version: **${{ steps.latest.outputs.version }}**
Docker Hub:
- https://hub.docker.com/r/${{ env.DOCKERHUB_REPO }}/tags?name=${{ steps.latest.outputs.version }}
- https://hub.docker.com/r/${{ env.DOCKERHUB_REPO }}/tags?name=latest
Image digest:
```
${{ steps.build.outputs.digest }}
```
files: |
bitcoin-version.txt
image-digest.txt