release-ghcr.yml

name: Push Image to ghcr.io

on:
  release: {}
  pull_request: {}
  push: {}
  workflow_dispatch: {}

env:
  REGISTRY: ghcr.io

jobs:
  wait-for-hydra:
    name: "Wait for hydra status"
    runs-on: ubuntu-latest
    needs: wait-for-hydra
    env:
      HYDRA_JOB: ci/hydra-build:x86_64-linux.required
      GH_TOKEN: ${{ github.token }}
    steps:
      - uses: input-output-hk/actions/wait-for-hydra@latest
        with:
          status: ci/hydra-build:x86_64-linux.required

  build:
    name: "Upload to ghcr.io"
    runs-on: ubuntu-latest
    steps:
      - name: Install Nix with good defaults
        uses: input-output-hk/install-nix-action@v21
        with:
          extra_nix_config: |
            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=
            substituters = https://cache.iog.io/ https://cache.nixos.org/
            experimental-features = nix-command flakes fetch-closure
            allow-import-from-derivation = true
            accept-flake-config = true
          nix_path: nixpkgs=channel:nixos-unstable
          # cardano-parts requires nix >= 2.17.0; We can remove this after the next release
          # to install-nix-action (v23)
          install_url: https://releases.nixos.org/nix/nix-2.17.0/install

      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Download image from cache
        run:
          nix build --builders "" --max-jobs 0 .#cardano-db-sync-docker

      - name: Log in to ghcr.io
        uses: docker/login-action@v2.1.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Upload to ghcr.io
        if: github.ref_type == 'tag' || github.event_name == 'release'
        run: |
          docker load < result
          docker image tag \
            inputoutput/cardano-db-sync:$GITHUB_SHA  \
            ghcr.io/${{ github.repository_owner }}/cardano-db-sync:$GITHUB_REF_NAME
          docker push ghcr.io/${{ github.repository_owner }}/cardano-db-sync:$GITHUB_REF_NAME