build.yml

name: Build

on:
  push:
    branches: [master]
    paths: ['app/*']
  pull_request:
    branches: [master]
    paths: ['app/*']
  repository_dispatch:
    types: [build]

jobs:
  build:
    runs-on: self-hosted
    steps:
    - uses: actions/checkout@v2

    - name: Build image
      run: |
        docker build ./app \
          --file ./app/Dockerfile \
          --tag gb-frontend:$GITHUB_SHA

    - name: Log in to registry
      run: echo "${{ secrets.DOCKER_SECRET }}" | docker login --username swinton --password-stdin

    - name: Push image
      run: |
        IMAGE_ID=docker.io/swinton/gb-frontend
        VERSION=staging-$GITHUB_SHA

        # Strip "v" prefix from tag name
        [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')

        echo IMAGE_ID=$IMAGE_ID
        echo VERSION=$VERSION

        docker tag gb-frontend:$GITHUB_SHA $IMAGE_ID:$VERSION
        docker push $IMAGE_ID:$VERSION