publish.yml

name: Publish Docker Image

on:
  workflow_dispatch:
    inputs:
      docker_version:
        description: 'Build version of docker image'
        required: true
      nasher:
        description: 'Version of Nasher to use'
        required: true
        default: "0.21.0"
      nwn_server:
        description: 'Version of NWServer to use'
        required: true
        default: "8193.35-40"

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  push_to_registry:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Check out the repo
        uses: actions/checkout@v3

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

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=${{ github.event.inputs.nwn_server }}_${{ github.event.inputs.nasher }}_${{ github.event.inputs.docker_version }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v4
        with:
          context: .
          file: ./Dockerfile
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            NASHER_VERSION=${{ github.event.inputs.nasher }}
            NWNSERVER_VERSION=${{ github.event.inputs.nwn_server }}