docker-push.yml

# Adapted from https://github.com/Erisa/Cliptok/blob/14460d6c097de7c2ebd939b4ceadebc9c99ead04/.github/workflows/docker-push.yml
# under MIT license.

name: docker-push

on:
  push:
  workflow_dispatch:

jobs:
  proxy-build-publish:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Cache Docker layers
        uses: actions/cache@v4
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-iteration3-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-iteration3-

      - name: Login to Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Generate Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/kotx/dex-tailscale
          tags: |
            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/master' }}
            type=raw,value=${{ github.sha }}
            type=ref,event=branch

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache