fix: adds Dockerfile and GH action #1

	name: Build and Push Docker Image

	on:
	push:
	branches:
	- main
	- 'refs/tags/*'

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v3

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

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and Push Docker image
	uses: docker/build-push-action@v4
	with:
	context: .
	push: true
	tags: ghcr.io/${{ github.repository }}/message-history-server:latest

	- name: Logout from GitHub Container Registry
	run: docker logout ghcr.io

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