---
name: Forgejo Kaniko
description: Build a container image using Kaniko
branding:
  icon: anchor
  color: blue
inputs:
  dockerfile:
    description: The Dockerfile to pass to Kaniko
    required: false
  context:
    description: Build context directory (absolute or relative to GITHUB_WORKSPACE)
    required: false
  image:
    description: Name and tag under which to upload the image
    required: true
  registry:
    description: Domain of the registry. Should be the same as the first path component of the tag.
    required: false
    default: https://index.docker.io/v1/
  username:
    description: Username for the container registry
    required: true
  password:
    description: Password for the container registry
    required: true
runs:
  using: docker
  image: docker://gcr.io/kaniko-project/executor:debug
  entrypoint: /bin/sh
  args:
    - -c
    - |
      mkdir -p /kaniko/.docker
      echo '{"auths":{"${{ inputs.registry }}":{"auth":"'$(printf "%s:%s" "${{ inputs.username }}" "${{ inputs.password }}" | base64 | tr -d '\n')'"}}}' > /kaniko/.docker/config.json

      # Resolve build context
      case "${{ inputs.context }}" in
        /*)
          echo "🔧 Using absolute context: ${{ inputs.context }}"
          CONTEXT="${{ inputs.context }}"
          ;;
        "")
          echo "⚠️ No context provided, using default directory."
          CONTEXT="$GITHUB_WORKSPACE"
          ;;
        *)
          echo "🔧 Using relative context: ${{ inputs.context }}"
          CONTEXT="$GITHUB_WORKSPACE/${{ inputs.context }}"
          ;;
      esac

      echo "Using context: $CONTEXT"

      # Ensure Dockerfile exists within the resolved context
      if [ -n "${{ inputs.dockerfile }}" ]; then
        echo "Using Dockerfile from input"
        mkdir -p "$CONTEXT"
        echo "${{ inputs.dockerfile }}" > "$CONTEXT/Dockerfile"
      elif [ -f "$CONTEXT/Dockerfile" ]; then
        echo "Using existing Dockerfile at $CONTEXT/Dockerfile"
      else
        echo "ERROR: No Dockerfile provided and no Dockerfile found at $CONTEXT/Dockerfile"
        exit 1
      fi

      dest_flags=""
      for dest in $(echo "${{ inputs.image }}" | tr ',' ' '); do
        dest_flags="$dest_flags --destination=$dest"
      done

      echo "Destinations: $dest_flags"

      /kaniko/executor --dockerfile Dockerfile --context "$CONTEXT" $dest_flags