main.yml

name: Main

on:
  push:
    branches: ["main"]

# Ensure only one instance of the workflow is running at a time.
# This helps with race conditions when upserting releases.
concurrency:
  group: "main"

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

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: write # Write is required to create/update releases AND to write tags
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Generate version based on date
        run: echo "RELEASE_VERSION=$(date '+%Y-%m-%d_%H_%M')" >> $GITHUB_ENV

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.RELEASE_VERSION }},${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:staging
          build-args: |
            APP_VERSION=${{ env.RELEASE_VERSION }}

      - name: Upsert pending release
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const createPrerelease = require('${{ github.workspace }}/.github/workflows/scripts/create-prerelease.js');
            await createPrerelease({github, context, core}, "${{ env.RELEASE_VERSION }}");