RocketChat/Rocket.Chat

name: 'Build Docker image'
description: 'Build Rocket.Chat Docker image'

inputs:
  root-dir:
    required: true
  docker-tag:
    required: true
  release:
    required: true
  username:
    required: false
  password:
    required: false

outputs:
  image-name:
    value: ${{ steps.build-image.outputs.image-name }}

runs:
  using: composite
  steps:
    # - shell: bash
    #   name: Free disk space
    #   run: |
    #     sudo swapoff -a
    #     sudo rm -f /swapfile
    #     sudo apt clean
    #     docker rmi $(docker image ls -aq)
    #     df -h

    - shell: bash
      id: build-image
      run: |
        cd ${{ inputs.root-dir }}

        LOWERCASE_REPOSITORY=$(echo "${{ github.repository_owner }}" | tr "[:upper:]" "[:lower:]")

        IMAGE_NAME_BASE="ghcr.io/${LOWERCASE_REPOSITORY}/rocket.chat:${{ inputs.docker-tag }}"

        IMAGE_NAME="${IMAGE_NAME_BASE}.${{ inputs.release }}"

        echo "Build Docker image ${IMAGE_NAME}"

        DOCKER_PATH="${GITHUB_WORKSPACE}/apps/meteor/.docker"
        if [[ '${{ inputs.release }}' = 'preview' ]]; then
          DOCKER_PATH="${DOCKER_PATH}-mongo"
        fi;

        DOCKERFILE_PATH="${DOCKER_PATH}/Dockerfile"
        if [[ '${{ inputs.release }}' = 'alpine' ]]; then
          DOCKERFILE_PATH="${DOCKERFILE_PATH}.${{ inputs.release }}"
        fi;

        echo "Copy Dockerfile for release: ${{ inputs.release }}"
        cp $DOCKERFILE_PATH ./Dockerfile
        if [ -e ${DOCKER_PATH}/entrypoint.sh ]; then
          cp ${DOCKER_PATH}/entrypoint.sh .
        fi;

        echo "Build ${{ inputs.release }} Docker image"
        docker build -t $IMAGE_NAME .

        echo "image-name-base=${IMAGE_NAME_BASE}" >> $GITHUB_OUTPUT
        echo "image-name=${IMAGE_NAME}" >> $GITHUB_OUTPUT

    - name: Login to GitHub Container Registry
      if: github.event.pull_request.head.repo.full_name == github.repository || github.event_name == 'release' || github.ref == 'refs/heads/develop'
      uses: docker/login-action@v2
      with:
        registry: ghcr.io
        username: ${{ inputs.username }}
        password: ${{ inputs.password }}

    - name: Publish image
      shell: bash
      if: github.event.pull_request.head.repo.full_name == github.repository || github.event_name == 'release' || github.ref == 'refs/heads/develop'
      run: |
        echo "Push Docker image: ${{ steps.build-image.outputs.image-name }}"

        docker push ${{ steps.build-image.outputs.image-name }}

        if [[ '${{ inputs.release }}' = 'official' ]]; then
          echo "Push release official without variant"

          docker tag ${{ steps.build-image.outputs.image-name }} ${{ steps.build-image.outputs.image-name-base }}
          docker push ${{ steps.build-image.outputs.image-name-base }}
        fi;