Reduce image size (#28) #38

	---
	name: Docker Build Action
	on:
	pull_request:
	branches:
	- master
	release:
	types:
	- published
	push:
	branches:
	- master

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: metal-deployment-base

	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read

	steps:
	- name: Check out code into the Go module directory
	uses: actions/checkout@v2

	- name: Log in to the Container registry
	uses: docker/login-action@v1
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Make tag
	run: \|
	[ "${GITHUB_EVENT_NAME}" == 'pull_request' ] && echo "tag=${GITHUB_HEAD_REF##*/}" >> $GITHUB_ENV \|\| true
	[ "${GITHUB_EVENT_NAME}" == 'release' ] && echo "tag=${GITHUB_REF##*/}" >> $GITHUB_ENV \|\| true
	[ "${GITHUB_EVENT_NAME}" == 'push' ] && echo "tag=latest" >> $GITHUB_ENV \|\| true

	- name: Build and push image
	uses: docker/build-push-action@v2
	with:
	context: .
	push: true
	tags: ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:${{ env.tag }}

Provide feedback