Add sign method to handle signing requests in the API endpoint #32

	name: docker-publish

	on:
	push:
	tags:
	- "v..*"

	env:
	IMAGE_NAME: ghcr.io/polymerdao/signer-service

	jobs:
	docker-build-signer-service:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	with:
	ref: ${{ github.event.inputs.build-ref }}

	- name: Docker meta
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: \|
	${{ env.IMAGE_NAME }}
	tags: \|
	type=semver,pattern={{raw}}

	labels: \|
	org.opencontainers.image.source=https://github.com/polymerdao/signer-service
	org.opencontainers.image.title=signer-service
	org.opencontainers.image.url=https://github.com/polymerdao/signer-service

	- name: Authenticate Docker
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

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

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

	- name: Build and push
	uses: docker/build-push-action@v4
	with:
	context: .
	platforms: linux/amd64
	push: true
	file: Dockerfile
	provenance: false
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	cache-from: type=registry,ref=${{ env.IMAGE_NAME }}:buildcache
	cache-to: type=registry,ref=${{ env.IMAGE_NAME }}:buildcache,mode=max

	- name: Run Trivy vulnerability scanner
	uses: aquasecurity/[email protected]
	with:
	image-ref: ${{ env.IMAGE_NAME }}:latest
	format: 'table'
	exit-code: '1'
	ignore-unfixed: true
	vuln-type: 'os,library'
	severity: 'CRITICAL,HIGH'

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