build-publish.yaml

# This workflow builds the docker image, tags it and pushes it to github container registry

name: Build and publish Docker image

on:
  # when pushing to main
  push:
    branches: [main]

  # manual trigger
  workflow_dispatch:

# Allow one concurrent run
concurrency:
  group: "image-build-publish"
  cancel-in-progress: true

permissions:
  packages: write

jobs:
  job-1:
    name: Build and publish image
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Get Docker tags
        id: docker_tags
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/weather-blade/weather-server
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push the image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: Dockerfile
          push: true
          tags: ${{ steps.docker_tags.outputs.tags }}