Update GitHub Actions workflow to set repository owner to lowercase f… #3

	name: Build Docker Image

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Set repository owner to lowercase
	run: echo "REPO_OWNER=$(echo ${{ github.repository_owner }} \| tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV

	- name: Build and push Docker image
	uses: docker/build-push-action@v2
	with:
	context: .
	push: true
	tags: ghcr.io/${{ env.REPO_OWNER }}/posh-rest:latest

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