Build and deploy site #156

	name: Build and deploy site

	on:
	push:
	branches:
	- gh-pages-source
	schedule:
	- cron: "0 3 1 * *" # monthly
	workflow_dispatch:

	env:
	AWS_REGION: ${{ vars.AWS_REGION }}
	DEPLOYMENT_ROLE_ARN: ${{ vars.DEPLOYMENT_ROLE_ARN }}
	BUCKET_NAME: ${{ vars.BUCKET_NAME }}

	# Required to fetch OIDC token
	permissions:
	id-token: write
	contents: read

	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout 🛎️
	uses: actions/checkout@v4

	- name: Install Nix ❄️
	uses: cachix/install-nix-action@v25

	- name: Install and setup Cachix 💽
	uses: cachix/cachix-action@v14
	with:
	name: munihac-website
	signingKey: "${{ secrets.CACHIX_SIGNING_KEY }}"

	- name: Build Generator and Site 👷
	run: \|
	nix-build
	cp -RL result result-with-changed-permissions
	chmod -R +w result-with-changed-permissions/

	- name: Upload build artifacts
	uses: actions/upload-artifact@v4
	with:
	name: build-artifacts
	path: result-with-changed-permissions/

	deploy-aws:
	name: Deploy to AWS
	needs: build
	runs-on: ubuntu-latest
	steps:
	- name: Download build artifacts
	uses: actions/download-artifact@v4
	with:
	name: build-artifacts
	path: result

	- name: Obtain OIDC token
	uses: aws-actions/configure-aws-credentials@v4
	with:
	aws-region: ${{ env.AWS_REGION }}
	role-to-assume: ${{ env.DEPLOYMENT_ROLE_ARN }}

	- name: Deploy static site to S3 bucket
	run: aws s3 sync ./result/ s3://${{ env.BUCKET_NAME }} --delete --size-only

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