agent_server_dockerhub_image.yml

name: Publish agents-server image to Docker Hub

# If you decide to modify the list of triggers for this action, don't forget to also update the
# conditional logic in the derive_build_vars job below.
on:
  push:
    branches: ['main']
    paths:
      - 'packages/agents-server/**'
      - 'packages/agents-server-ui/**'
      - 'packages/agents-runtime/**'
  # Allows the workflow to be called by the Changesets workflow
  workflow_call:
    inputs:
      git_ref:
        description: 'Git ref to build from (branch name, tag, or commit SHA)'
        required: true
        type: string
      docker_tag:
        description: 'Optional Docker Hub tag override (derived from git_ref if omitted)'
        required: false
        type: string
  # Allows the workflow to be triggered manually from the UI
  workflow_dispatch:
    inputs:
      git_ref:
        description: 'Git ref to build from (branch name, tag, or commit SHA)'
        required: true
        type: string
      docker_tag:
        description: 'Optional Docker Hub tag override (derived from git_ref if omitted)'
        required: false
        type: string

env:
  DOCKERHUB_REPO: electricax/agents-server

jobs:
  derive_build_vars:
    name: Derive build variables from the source code
    runs-on: blacksmith-2vcpu-ubuntu-2404
    outputs:
      git_ref: ${{ steps.git_ref.outputs.git_ref }}
      image_tags: ${{ steps.vars.outputs.image_tags }}

    steps:
      - name: Determine the ref to check out
        id: git_ref
        env:
          INPUT_GIT_REF: ${{ inputs.git_ref }}
          INPUT_DOCKER_TAG: ${{ inputs.docker_tag }}
          COMMIT_SHA: ${{ github.sha }}
        run: |
          if [ -n "$INPUT_DOCKER_TAG" ]; then
            ref="$INPUT_GIT_REF"
            build_mode=custom
          elif [ -n "$INPUT_GIT_REF" ]; then
            ref="refs/tags/$INPUT_GIT_REF"
            build_mode=release
          else
            ref="$COMMIT_SHA"
            build_mode=canary
          fi

          echo "git_ref=$ref" >> $GITHUB_OUTPUT
          echo "build_mode=$build_mode" >> $GITHUB_OUTPUT

      - uses: actions/checkout@v4
        with:
          ref: ${{ steps.git_ref.outputs.git_ref }}
          fetch-depth: 0
          fetch-tags: true

      - name: Determine final image tags
        id: vars
        env:
          BUILD_MODE: ${{ steps.git_ref.outputs.build_mode }}
          INPUT_DOCKER_TAG: ${{ inputs.docker_tag }}
        run: |
          AGENT_SERVER_VERSION=$(
            git describe --abbrev=7 --tags --always --first-parent --match '@electric-ax/agents-server@*' | sed -En 's|^@electric-ax/agents-server@||p'
          )

          if [ -n "$INPUT_DOCKER_TAG" ]; then
            IMAGE_TAGS="${DOCKERHUB_REPO}:${INPUT_DOCKER_TAG}"
          elif [ "$BUILD_MODE" = "release" ]; then
            IMAGE_TAGS=$(
              printf '%s\n%s\n' \
                "${DOCKERHUB_REPO}:latest" \
                "${DOCKERHUB_REPO}:${AGENT_SERVER_VERSION}"
            )
          else
            IMAGE_TAGS="${DOCKERHUB_REPO}:canary"
          fi

          {
            echo "image_tags<<EOF"
            echo "$IMAGE_TAGS"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

  build_and_publish_image:
    needs: [derive_build_vars]
    uses: ./.github/workflows/docker_multiarch_image.yml
    secrets: inherit
    with:
      git_ref: ${{ needs.derive_build_vars.outputs.git_ref }}
      image_repo: electricax/agents-server
      context: .
      file: packages/agents-server/Dockerfile
      tags: ${{ needs.derive_build_vars.outputs.image_tags }}