main.yml

# This is a basic workflow to help you get started with Actions

name: CI

# Controls when the action will run. 
on:
  # Triggers the workflow on push or pull request events but only for the master branch
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - name: Checkout
      - uses: actions/checkout@v2

      # Sets up Docker Buildx
      - name: Docker Setup Buildx
        uses: docker/setup-buildx-action@v1.1.2

      - name: Build Docker Image
        uses: docker/build-push-action@v2.4.0
#         with:
#           # List of extra privileged entitlement (eg. network.host,security.insecure)
#           allow: # optional
#           # List of build-time variables
#           build-args: # optional
#           # Builder instance
#           builder: # optional
#           # List of external cache sources for buildx (eg. user/app:cache, type=local,src=path/to/dir)
#           cache-from: # optional
#           # List of cache export destinations for buildx (eg. user/app:cache, type=local,dest=path/to/dir)
#           cache-to: # optional
#           # Build's context is the set of files located in the specified PATH or URL
#           context: # optional
#           # Path to the Dockerfile
#           file: # optional
#           # List of metadata for an image
#           labels: # optional
#           # Load is a shorthand for --output=type=docker
#           load: # optional, default is false
#           # Set the networking mode for the RUN instructions during build
#           network: # optional
#           # Do not use cache when building the image
#           no-cache: # optional, default is false
#           # List of output destinations (format: type=local,dest=path)
#           outputs: # optional
#           # List of target platforms for build
#           platforms: # optional
#           # Always attempt to pull a newer version of the image
#           pull: # optional, default is false
#           # Push is a shorthand for --output=type=registry
#           push: # optional, default is false
#           # List of secrets to expose to the build (eg. key=string, GIT_AUTH_TOKEN=mytoken)
#           secrets: # optional
#           # List of secret files to expose to the build (eg. key=filename, MY_SECRET=./secret.txt)
#           secret-files: # optional
          # List of SSH agent socket or keys to expose to the build
          ssh: # optional
          # List of tags
          tags: # optional
          # Sets the target stage to build
          target: # optional
          # GitHub Token used to authenticate against a repository for Git context
          github-token: # optional, default is ${{ github.token }}