name: Publish Docker image

on:
    push:
        branches: master

jobs:
    main:
        runs-on: ubuntu-latest
        steps:
            - name: Set up Buildx
              uses: docker/setup-buildx-action@v1
              
            - name: Cache Docker layers
              uses: actions/cache@v2
              with:
                path: /tmp/.buildx-cache
                key: ${{ runner.os }}-buildx-${{ github.sha }}
                restore-keys: |
                  ${{ runner.os }}-buildx-
                  
            - name: Login to DockerHub
              uses: docker/login-action@v1
              with:
                username: ${{ secrets.DOCKERHUB_USERNAME }}
                password: ${{ secrets.DOCKERHUB_TOKEN }}
                
            - name: Build and push
              id: docker_build
              uses: docker/build-push-action@v2
              with:
                push: true
                tags: codetheweb/muse:latest
                platforms: linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/ppc64le,linux/s390x
                
            - name: Update Docker Hub description
              uses: peter-evans/dockerhub-description@v2.1.0
              env:
                DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
                DOCKERHUB_PASSWORD: ${{ secrets.DOCKERHUB_PASSWORD }}
                DOCKERHUB_REPOSITORY: peterevans/dockerhub-description