name: Docker
on:
release:
types: [published]
workflow_dispatch:
inputs:
tag:
description: Release tag to build (e.g. v0.1.0)
required: true
permissions:
contents: read
packages: write
jobs:
image:
name: build & push (multi-arch)
runs-on: ubuntu-22.04
if: ${{ github.event_name == 'workflow_dispatch' || !github.event.release.prerelease }}
env:
DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
steps:
- uses: actions/checkout@v4
- name: Resolve version
id: v
shell: bash
run: |
tag="${{ github.event.release.tag_name || github.event.inputs.tag }}"
echo "tag=$tag" >> "$GITHUB_OUTPUT"
echo "version=${tag#v}" >> "$GITHUB_OUTPUT"
- name: Detect Docker Hub credentials
id: hub
shell: bash
run: |
if [ -n "$DOCKERHUB_USERNAME" ] && [ -n "$DOCKERHUB_TOKEN" ]; then
echo "enabled=true" >> "$GITHUB_OUTPUT"
else
echo "enabled=false" >> "$GITHUB_OUTPUT"
echo "::notice::Docker Hub secrets not set — pushing to GHCR only."
fi
- uses: docker/setup-qemu-action@v3
- uses: docker/setup-buildx-action@v3
- name: Log in to GHCR
uses: docker/login-action@v3
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Log in to Docker Hub
if: ${{ steps.hub.outputs.enabled == 'true' }}
uses: docker/login-action@v3
with:
username: ${{ env.DOCKERHUB_USERNAME }}
password: ${{ env.DOCKERHUB_TOKEN }}
- name: Compute tags
id: meta
uses: docker/metadata-action@v5
with:
images: |
ghcr.io/hoodiecollin/forgedb
name=docker.io/hoodiecollin/forgedb,enable=${{ steps.hub.outputs.enabled }}
tags: |
type=semver,pattern={{version}},value=${{ steps.v.outputs.tag }}
type=semver,pattern={{major}}.{{minor}},value=${{ steps.v.outputs.tag }}
type=raw,value=latest
- name: Build & push
uses: docker/build-push-action@v6
with:
context: .
platforms: linux/amd64,linux/arm64
push: true
build-args: |
VERSION=${{ steps.v.outputs.version }}
REPO=${{ github.repository }}
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}