ci: add docker build action #14

	name: Docker

	permissions:
	contents: write
	packages: write

	env:
	REGISTRY: ghcr.io

	on:
	push:
	branches:
	- main
	tags:
	- "-?v[0-9]+"
	pull_request:
	branches:
	- main

	jobs:
	docker-build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v3

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2

	- name: Log in to the Container registry
	uses: docker/login-action@v2
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata for Docker
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: \|
	name=ghcr.io/${{ github.repository }}
	tags: \|
	type=ref,event=pr
	type=semver,pattern=v{{version}}
	type=semver,pattern=v{{major}}.{{minor}}
	type=semver,pattern=v{{major}}
	type=raw,value=unstable,enable={{is_default_branch}}

	- name: Build and push to ghcr
	uses: docker/build-push-action@v3
	with:
	context: .
	platforms: linux/amd64,linux/arm64
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	cache-from: type=gha
	cache-to: type=gha,mode=max

	deploy:
	runs-on: ubuntu-latest
	needs: docker-build
	if: ${{ needs.docker-build.result == 'success' && github.ref == 'refs/heads/main' }}
	steps:
	- name: Checkout repository
	uses: actions/checkout@v3

	- name: Set up CLI
	uses: superfly/flyctl-actions/setup-flyctl@master

	- name: Deploy
	run: flyctl deploy --remote-only --detach --config config/fly.toml
	env:
	FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}

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