Dockerfile: build both RHEL7 and RHEL8 shims #341

	name: ovn-docker-images

	on:
	push:
	pull_request:
	branches: [ master ]
	paths: [ "dist/images/Dockerfile*"]

	env:
	GO_VERSION: 1.13.4

	jobs:
	build:
	name: Build Images
	runs-on: ubuntu-latest
	steps:
	- name: Set up Go
	uses: actions/setup-go@v1
	with:
	go-version: ${{ env.GO_VERSION }}
	id: go

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

	- name: Set up environment
	run: \|
	export GOPATH=$(go env GOPATH)
	echo "GOPATH=$GOPATH" >> $GITHUB_ENV
	echo "$GOPATH/bin" >> $GITHUB_PATH

	- name: Build images
	run: \|
	make -C dist/images all

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