name: Build and Push

on:
  workflow_dispatch:
    inputs:
      tag:
        description: 'Image tag'
        required: true
        default: 'latest'
  push:
    tags:
      - '*'

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - uses: actions/checkout@v4
      - name: Login to Gitea registry
      - name: Build and push
        run: |
          TAG=${{ github.ref_name }}
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            TAG=${{ inputs.tag }}
          fi
          IMAGE=gitea.home.hrajfrisbee.cz/${{ github.repository }}:$TAG
          docker build -t $IMAGE .
          docker push $IMAGE