Added github build workflow #7

	name: Build and Push Container

	on:
	workflow_dispatch:
	push:
	branches: [ "main" ]
	paths:
	- "Dockerfile.production"
	- "compose.prod.yaml"
	- "requirements.txt"
	- assets/
	- reflex_gpt/
	- rxconfig.py
	- alembic.ini
	- alembic/
	- .github/workflows/build.yaml

	env:
	# DOCKER_IMAGE: codingforentrepreneurs/reflex-gpt
	# uncomment if using
	DOCKER_IMAGE: ${{ secrets.DOCKERHUB_REPO }}

	jobs:
	build-and-push:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

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

	- name: Login to DockerHub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	# For Reflex to build a container,
	# injecting your environment variables at
	# container build time is often required.
	- name: Create build env file
	run: \|
	cat << EOF > .build-env
	OPENAI_API_KEY=${{ secrets.OPENAI_API_KEY }}
	DATABASE_URL=${{ secrets.DATABASE_URL }}
	EOF

	- name: Build and push
	run: \|
	docker build -f Dockerfile.production -t ${{ env.DOCKER_IMAGE }}:latest .
	docker tag ${{ env.DOCKER_IMAGE }}:latest ${{ env.DOCKER_IMAGE }}:${{ github.sha }}
	docker push ${{ env.DOCKER_IMAGE }} --all-tags

	- name: Remove build env file
	run: rm .build-env

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