Switch from Travis CI to GitHub actions #3

	name: Build, test and push image
	on:
	push:
	workflow_dispatch:

	jobs:
	build-test-push:
	runs-on: ubuntu-latest
	steps:
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Expose GitHub Runtime
	uses: crazy-max/ghaction-github-runtime@v3

	- name: Check out repository code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Build image and run tests
	run: \|
	docker buildx build \
	--output=type=docker \
	--cache-to type=gha,mode=max \
	--cache-from type=gha \
	--load \
	--progress=plain \
	--iidfile=iid \
	.

	- name: Login to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ vars.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- name: Tag and push image
	run: \|
	docker tag $(<iid) rootmos/silly-joy:$GITHUB_SHA
	docker push rootmos/silly-joy:$GITHUB_SHA

	- name: Mark as latest image
	if: github.ref_name == 'master'
	run: \|
	docker tag $(<iid) rootmos/silly-joy:latest
	docker push rootmos/silly-joy:latest

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