name: Nightly Docker Releaser
description: Builds nightly docker images

inputs:
  hub_username:
    description: Docker hub username
    required: true

  hub_password:
    description: Docker hub password
    required: true

  name:
    description: The name of the build
    default: nightly
    required: false

runs:
  using: composite
  steps:
    - name: Log in to Docker Hub
      shell: bash
      run: docker login -u "${{ inputs.hub_username }}" -p "${{ inputs.hub_password }}"

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3

    - name: Generate build metadata
      shell: sh
      run: |
        echo "BUILD_DATE=$(date +%Y%m%d)" >> $GITHUB_ENV
        echo "GIT_COMMIT=$(cd ${{ inputs.workdir }}/nats-server && git rev-parse --short HEAD)" >> $GITHUB_ENV
        echo "BUILD_NAME=$(echo ${{ inputs.name }} | tr '[:upper:]' '[:lower:]' | sed 's/[^a-z0-9.-]/-/g')" >> $GITHUB_ENV

    - name: Build and push Docker images
      uses: docker/build-push-action@v6
      with:
        context: "${{ github.workspace }}/src/github.com/nats-io"
        file: "${{ github.workspace }}/src/github.com/nats-io/nats-server/docker/Dockerfile.nightly"
        build-args: |
          VERSION=nightly-${{ env.BUILD_DATE }}
          GIT_COMMIT=${{ env.GIT_COMMIT }}
        platforms: linux/amd64,linux/arm64
        push: true
        tags: |
          synadia/nats-server:${{ env.BUILD_NAME }}
          synadia/nats-server:${{ env.BUILD_NAME }}-${{ env.BUILD_DATE }}