name: ci/cd to build and push docker image in private registry

#https://docs.docker.com/build/ci/github-actions/push-multi-registries/
#https://www.devsync.se/ci/cd/docker/2023/10/27/gitea-runner-build-docker-containers.html

on:
  push:
    tags:        
      - '*'

jobs:
  docker:
    runs-on: ubuntu-latest
    #runs-on: ubuntu-latest:docker://node:16-bullseye
    #runs-on: ubuntu-latest:docker://debian:bullseye
    steps:

      - name: Print version and repository
        run: echo "Runner working on repository ${{ gitea.repository }} and on tag ${{ gitea.ref_name }}"

      - name: Install Docker engine
        run:  |
          apt-get update
          apt-get -y install curl dnsutils 
          install -m 0755 -d /etc/apt/keyrings
          curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
          chmod a+r /etc/apt/keyrings/docker.gpg
          echo "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
          apt-get update
          apt-get -y install docker-ce docker-ce-cli containerd.io docker-buildx-plugin

      - name: Print docker images
        run: docker images

      - name: Git clone private repo 
        uses: actions/checkout@v4
        with:
          repository: ${{ gitea.repository }}
          # persist-credentials: false
          # ssh-strict: false
          token: ${{ secrets.ACCESS_TOKEN_GIT }}
          # ssh-known-hosts: ${{ secrets.SSH_KNOWN_GITEA }}

      - name: Login to docker private registry
        uses: docker/login-action@v3
        with:
          registry: ${{ vars.REGISTRY_DOCKER }}
          username: ${{ secrets.REGISTRY_DOCKER_USER }}
          password: ${{ secrets.REGISTRY_DOCKER_PASS }}

      - name: Build and push image in registry
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ vars.REGISTRY_DOCKER }}/${{ vars.DOCKER_IMAGE_NAME }}:latest,${{ vars.REGISTRY_DOCKER }}/${{ vars.DOCKER_IMAGE_NAME }}:${{ gitea.ref_name }}