build: just opencv with ffmpeg #2

	# This is the Github action to build and push the gocv/opencv Docker images.
	#
	name: Docker
	on:
	push:
	branches: [build-opencv-alpine, alpine-static-ffmpeg]

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	opencv-ffmpeg:
	name: opencv
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read
	steps:
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	- name: Check out the repo
	uses: actions/checkout@v4
	- name: Docker meta
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: \|
	gocv/opencv:4.10.0-alpine-ffmpeg
	ghcr.io/${{ github.repository_owner }}/opencv:4.10.0-alpine-ffmpeg
	tags: \|
	type=sha,format=long
	type=raw,value=latest
	- name: Log in to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKER_HUB_USERNAME }}
	password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
	- name: Log in to Github Container Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Build and push
	uses: docker/build-push-action@v6
	with:
	file: Dockerfile.opencv-static-alpine-ffmpeg
	platforms: linux/amd64,linux/arm64
	context: .
	push: true
	tags: \|
	gocv/opencv:4.10.0-alpine-ffmpeg
	ghcr.io/${{ github.repository_owner }}/opencv:4.10.0-alpine-ffmpeg
	labels: ${{ steps.meta.outputs.labels }}
	cache-from: type=gha
	cache-to: type=gha,mode=max

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