minetest/.github/workflows/docker_image.yml

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---
name: docker_image
# https://docs.github.com/en/actions/publishing-packages/publishing-docker-images
# https://docs.docker.com/build/ci/github-actions/multi-platform
# https://github.com/opencontainers/image-spec/blob/main/annotations.md
on:
push:
branches: [ "master" ]
# Publish semver tags as releases.
tags: [ "*" ]
pull_request:
# Build docker image on pull requests. (but do not publish)
paths:
- 'lib/**.[ch]'
- 'lib/**.cpp'
- 'src/**.[ch]'
- 'src/**.cpp'
- 'irr/**.[ch]'
- 'irr/**.cpp'
- '**/CMakeLists.txt'
- 'cmake/Modules/**'
- 'util/ci/**'
- 'misc/irrlichtmt_tag.txt'
- 'Dockerfile'
- '.dockerignore'
- '.github/workflows/docker_image.yml'
workflow_dispatch:
inputs:
use_cache:
description: "Use build cache"
required: true
type: boolean
default: true
env:
REGISTRY: ghcr.io
# github.repository as <account>/<repo>
IMAGE_NAME: ${{ github.repository }}
jobs:
publish:
runs-on: ubuntu-latest
permissions:
contents: read
packages: write
steps:
- name: Check out repository
uses: actions/checkout@v4
- name: Setup Docker buildx
uses: docker/setup-buildx-action@v3.0.0
# Login against the Docker registry except on PR
# https://github.com/docker/login-action
- name: Log into registry ${{ env.REGISTRY }}
if: github.event_name != 'pull_request'
uses: docker/login-action@v3.0.0
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
# Extract metadata (tags, labels) for Docker
# https://github.com/docker/metadata-action
- name: Extract Docker metadata
id: meta
uses: docker/metadata-action@v5.5.0
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
labels: |
org.opencontainers.image.title=Minetest
org.opencontainers.image.vendor=Minetest
org.opencontainers.image.licenses=LGPL-2.1-only
# Build and push Docker image
# https://github.com/docker/build-push-action
# No arm support for now. Require cross-compilation support in Dockerfile to not use QEMU.
- name: Build and push Docker image
uses: docker/build-push-action@v5.1.0
with:
context: .
platforms: linux/amd64
push: ${{ github.event_name != 'pull_request' }}
load: true
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
cache-from: type=gha
cache-to: type=gha,mode=max
no-cache: ${{ (github.event_name == 'workflow_dispatch' && !inputs.use_cache) || startsWith(github.ref, 'refs/tags/') }}
- name: Test Docker Image
run: |
docker run --rm $(cut -d, -f1 <<<"$DOCKER_METADATA_OUTPUT_TAGS") minetestserver --version
shell: bash