Update ci.yml to run in main branch #3

	name: CI
	on:
	workflow_dispatch:
	push:
	branches:
	- main
	jobs:
	build-n-deploy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Setup Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.21.x
	cache: false

	- name: Build Linux binary
	run: GOOS=linux GOARCH=amd64 go build

	- name: Build Docker image
	run: docker build -t ${{ secrets.DOCKER_USERNAME }}/az-appservice .

	- name: Login to Docker Hub
	run: docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKERHUB_TOKEN }}

	- name: Docker push
	run: docker push ${{ secrets.DOCKER_USERNAME }}/az-appservice

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