.github/workflows/docker.yml

   1 name: Build and push docker image
   2
   3 on:
   4   pull_request:
   5   push:
   6     branches:
   7       - 'master'
   8     tags:
   9       - '*'
  10
  11 env:
  12   TEST_TAG: fretlink/link
  13
  14 jobs:
  15   docker:
  16     runs-on: ubuntu-latest
  17     strategy:
  18       matrix:
  19         base_os:
  20           - debian
  21           - alpine
  22     steps:
  23       - name: Checkout
  24         uses: actions/checkout@v2
  25       - name: Set up Docker Buildx
  26         uses: docker/setup-buildx-action@v1
  27       - name: Build and export to Docker
  28         uses: docker/build-push-action@v2
  29         with:
  30           context: .
  31           file: ${{ matrix.base_os }}/Dockerfile
  32           load: true
  33           tags: ${{ env.TEST_TAG }}
  34       - name: Test
  35         run: |
  36           docker run -it --rm ${{ env.TEST_TAG }} 'nix-channel --list'
  37           docker run -it --rm ${{ env.TEST_TAG }} 'nix-env -iA nixpkgs.hello && test "$(hello)" = "Hello, world!"'
  38       - name: Get the version
  39         if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
  40         id: get_version
  41         run: echo ::set-output name=VERSION::${GITHUB_REF/refs\/tags\//}
  42       - name: Login to DockerHub
  43         if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
  44         uses: docker/login-action@v1
  45         with:
  46           username: ${{ secrets.DOCKERHUB_USERNAME }}
  47           password: ${{ secrets.DOCKERHUB_TOKEN }}
  48       - name: Build and push
  49         if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
  50         id: docker_build
  51         uses: docker/build-push-action@v2
  52         with:
  53           push: true
  54           context: .
  55           file: ${{ matrix.base_os }}/Dockerfile
  56           tags: fretlink/nix:${{ steps.get_version.outputs.VERSION }}-${{ matrix.base_os }}