feat: Cache Docker layers and SSH keys in GitHub Actions workflow #31

	name: publish

	on:
	push:
	branches: ['master']

	env:
	# Use docker.io for Docker Hub if empty
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.actor }}/linkshrtnr_api:latest

	jobs:
	publish:
	name: publish image
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: Cache Docker layers
	uses: actions/cache@v2
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-buildx-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-buildx-
	- name: Build and Publish
	run: \|
	echo " " >> Cargo.toml
	echo [env] >> Cargo.toml
	echo DATABASE_URL = \"${{ secrets.DATABASE_URL }}\" >> Cargo.toml
	docker build . --tag ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} --cache-from=/tmp/.buildx-cache --cache-to=/tmp/.buildx-cache
	docker push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

	deploy:
	needs: publish
	name: deploy image
	runs-on: ubuntu-latest

	steps:
	- name: Cache SSH keys
	uses: actions/cache@v2
	with:
	path: ~/.ssh
	key: ${{ runner.os }}-ssh-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-ssh-
	- name: install ssh keys
	run: \|
	install -m 600 -D /dev/null ~/.ssh/id_rsa
	echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_rsa
	ssh-keyscan -H ${{ secrets.SSH_HOST }} > ~/.ssh/known_hosts
	- name: connect and pull
	run: ssh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} "cd ${{ secrets.WORK_DIR }} && docker compose pull && docker compose up -d && exit"
	- name: cleanup
	run: rm -rf ~/.ssh

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