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Add devcontainer

Add devcontainer #6

Workflow file for this run

# Based on https://docs.github.com/en/actions/publishing-packages/publishing-docker-images
name: Publish Docker image
on:
workflow_dispatch:
push:
branches: [ "main" ]
# Publish semver tags as releases.
tags: [ 'v*.*.*' ]
paths:
- '.github/workflows/docker-publish.yml'
- 'Dockerfile'
- 'Manifest.toml'
- 'Project.toml'
- 'julia_cpu_target.sh'
pull_request:
branches: [ "main" ]
paths:
- '.github/workflows/docker-publish.yml'
- 'Dockerfile'
- 'Manifest.toml'
- 'Project.toml'
- 'julia_cpu_target.sh'
env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}
concurrency:
# Skip intermediate builds: always.
# Cancel intermediate builds: always.
group: ${{ github.workflow }}-${{ github.ref }}
cancel-in-progress: true
jobs:
build-and-push-image:
runs-on: ubuntu-latest
permissions:
contents: read
packages: write
attestations: write
# This is used to complete the identity challenge
# with sigstore/fulcio when running outside of PRs.
id-token: write
steps:
- name: Checkout repository
uses: actions/checkout@v4
# Docker is terrible and doesn't like uppercase image names.
- name: Lowercase image name
run: |
IMAGE_NAME=$(echo ${IMAGE_NAME} | tr A-Z a-z)
echo "IMAGE_NAME=${IMAGE_NAME}" >> "${GITHUB_ENV}"
- name: Set up QEMU
uses: docker/setup-qemu-action@v3
with:
platforms: arm64
# Needed to make caching on GHA work: https://stackoverflow.com/a/73884678.
# https://github.com/docker/setup-buildx-action
- name: Setup Docker buildx
uses: docker/setup-buildx-action@v3
# Log into the registry except on PRs.
# https://github.com/docker/login-action
- name: Log into registry ${{ env.REGISTRY }}
if: github.event_name != 'pull_request'
uses: docker/login-action@v3
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
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
# Build and push Docker image with Buildx (don't push on PR)
# https://github.com/docker/build-push-action
- name: Build and push Docker image
id: build-and-push
uses: docker/build-push-action@v5
with:
context: .
push: ${{ github.event_name != 'pull_request' }}
# Note: building only for `linux/amd64` takes about 5 minutes, building also for
# `linux/arm64` takes about 40 minutes because QEMU is super slow. If you're
# desperate about build times remove `linux/arm64`, but keep in mind the
# `linux/amd64` image won't work very well on Apple Silicon.
platforms: linux/amd64,linux/arm64
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
# See: https://docs.docker.com/build/ci/github-actions/cache/#github-cache
cache-from: type=gha
cache-to: type=gha,mode=max