build_docker_builder.yml

name: Build Docker image for building PGlite

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

on:
  workflow_dispatch:
    inputs:
      message:
        description: 'Build PGlite builder Docker image'
  push:
    branches: ['main']
  pull_request:

env:
  DOCKERHUB_REPO: electricsql
  IMAGE_NAME: pglite-builder

jobs:
  build:
    name: Build Docker image
    runs-on: ubuntu-22.04
    environment: PGlite Build Parameters
    env:
      PG_VERSION: ${{ vars.PG_VERSION }}
      SDK_VERSION: ${{ vars.PYTHON_WASM_SDK_VERSION }}
    steps:
      - name: Log build parameters
        run: |
          echo "Building with PG_VERSION=${PG_VERSION} and SDK_VERSION=${SDK_VERSION}"

      - name: Set image name and tag
        id: set-image-name
        run: |
          echo "IMGNAME=${{ env.DOCKERHUB_REPO }}/${{ env.IMAGE_NAME }}" >> $GITHUB_ENV
          echo "IMGTAG=${{ env.PG_VERSION }}_${{ env.SDK_VERSION }}" >> $GITHUB_ENV

      - name: Check if image exists test
        continue-on-error: true
        run: docker manifest inspect ${{ env.DOCKERHUB_REPO }}/${{ env.IMAGE_NAME }}:${{ env.PG_VERSION }}-${{ env.SDK_VERSION }}

      - name: Check if image exists
        id: image-exists
        run: |
          if docker manifest inspect ${{ env.DOCKERHUB_REPO }}/${{ env.IMAGE_NAME }}:${{ env.PG_VERSION }}-${{ env.SDK_VERSION }} > /dev/null 2>&1; then
            echo "exists=true" >> $GITHUB_ENV
            echo "::set-output name=exists::true"
          else
            echo "exists=false" >> $GITHUB_ENV
            echo "::set-output name=exists::false"
          fi

      - uses: actions/checkout@v4
        if: steps.image-exists.outputs.exists == 'false'

      - name: Build and push Docker image
        if: steps.image-exists.outputs.exists == 'false'
        run: |
          export PGLITE_BUILDER_IMAGE_NAME="${DOCKERHUB_REPO}/${IMAGE_NAME}"
          export BUILDER_VERSION="${PG_VERSION}-${SDK_VERSION}"
          docker buildx build --platform linux/arm64/v8,linux/amd64 --push
            --build-arg PG_VERSION=$PG_VERSION
            --build-arg SDK_VERSION=$SDK_VERSION
            -t $${PGLITE_BUILDER_IMAGE_NAME}:$${BUILDER_VERSION}
            -t $${PGLITE_BUILDER_IMAGE_NAME}:latest
            .