cosmos-framework/.github/workflows/docker-build.yml at main · NVIDIA/cosmos-framework · GitHub

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# SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: OpenMDW-1.1

name: Docker Build

on:
  pull_request:
    branches: [main]
    paths:
      - .github/workflows/docker-build.yml
      - Dockerfile
      - .dockerignore
      - .python-version
      - pyproject.toml
      - uv.lock
      - docker/**
      - packages/*/pyproject.toml
      - packages/*/uv.lock
  push:
    branches: [main]
    paths:
      - .github/workflows/docker-build.yml
      - Dockerfile
      - .dockerignore
      - .python-version
      - pyproject.toml
      - uv.lock
      - docker/**
      - packages/*/pyproject.toml
      - packages/*/uv.lock
  workflow_dispatch:

concurrency:
  group: docker-build-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  runtime-image:
    runs-on: [self-hosted, docker-build, h200, cosmos-framework]
    timeout-minutes: 120
    env:
      DOCKER_BUILDKIT: "1"
      BUILDER_NAME: cosmos-docker-build-${{ github.run_id }}-${{ github.run_attempt }}
    steps:
      - uses: actions/checkout@v6

      - name: Show Docker disk usage before build
        run: |
          docker system df
          df -h "$(docker info --format '{{ .DockerRootDir }}')"

      - name: Create temporary BuildKit builder
        run: |
          docker buildx rm -f "$BUILDER_NAME" >/dev/null 2>&1 || true
          docker buildx create --driver docker-container --name "$BUILDER_NAME" --use

      - name: Build Docker image
        run: docker buildx build --builder "$BUILDER_NAME" --progress=plain .

      - name: Remove temporary BuildKit builder
        if: always()
        run: docker buildx rm -f "$BUILDER_NAME" || true

      - name: Show Docker disk usage after cleanup
        if: always()
        run: |
          docker system df
          df -h "$(docker info --format '{{ .DockerRootDir }}')"