name: Build and Push Docker Image

on:
  push:
    branches:
      - main
    tags:
      - "v*"

jobs:
  build-and-push:
    runs-on: dind
    env:
      DOCKER_HOST: unix:///var/run/docker.sock

    steps:
      - name: Install dependencies
        run: apk add --no-cache git

      - name: Checkout
        run: |
          GITEA_HOST="${{ gitea.server_url }}"
          GITEA_HOST="${GITEA_HOST#https://}"
          GITEA_HOST="${GITEA_HOST#http://}"
          git clone "https://oauth2:${{ secrets.GITEA_TOKEN }}@${GITEA_HOST}/${{ gitea.repository }}.git" .
          git checkout ${{ gitea.sha }}

      - name: Log in to Gitea registry
        run: |
          REGISTRY="${{ gitea.server_url }}"
          REGISTRY="${REGISTRY#https://}"
          REGISTRY="${REGISTRY#http://}"
          echo "${{ secrets.REGISTRY_TOKEN }}" | docker login "$REGISTRY" -u "${{ gitea.actor }}" --password-stdin

      - name: Build and push
        run: |
          REGISTRY="${{ gitea.server_url }}"
          REGISTRY="${REGISTRY#https://}"
          REGISTRY="${REGISTRY#http://}"
          IMAGE="$REGISTRY/${{ gitea.repository }}"
          docker build -t "$IMAGE:${{ gitea.sha }}" -t "$IMAGE:latest" .
          docker push "$IMAGE:${{ gitea.sha }}"
          docker push "$IMAGE:latest"