name: Docker Image CI

on:
  push:
    branches:
      - master
  release:
    types:
      - published

jobs:
  build:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest

    steps:
      - name: Check out the repo
        uses: actions/checkout@v2

      - name: Log in to Docker Hub
        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
        with:
          images: ohmyform/api
          tags: |
            type=raw,value=latest
            type=semver,pattern={{major}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{version}}

      - name: Build and push Docker image
        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}