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feat: hello world, nemoclaw community #22

feat: hello world, nemoclaw community

feat: hello world, nemoclaw community #22

# SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
name: Build Sandbox Images
on:
push:
branches: [main]
paths:
- "sandboxes/**"
pull_request:
branches: [main]
paths:
- "sandboxes/**"
workflow_dispatch:
env:
REGISTRY: ghcr.io
IMAGE_PREFIX: ${{ github.repository }}
permissions:
contents: read
packages: write
jobs:
# ---------------------------------------------------------------------------
# Detect which sandbox images have changed
# ---------------------------------------------------------------------------
detect-changes:
name: Detect changed sandboxes
runs-on: ubuntu-latest
outputs:
base-changed: ${{ steps.changes.outputs.base_changed }}
sandboxes: ${{ steps.changes.outputs.sandboxes }}
steps:
- uses: actions/checkout@v4
with:
fetch-depth: 0
- name: Determine changed sandboxes
id: changes
run: |
set -euo pipefail
if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
# Build everything on manual trigger
BASE_CHANGED="true"
SANDBOXES=$(find sandboxes -mindepth 1 -maxdepth 1 -type d -name '*.base' -prune -o -exec test -f {}/Dockerfile \; -print \
| xargs -I{} basename {} \
| grep -v '^base$' \
| jq -R -s -c 'split("\n") | map(select(length > 0))')
else
if [ "${{ github.event_name }}" = "pull_request" ]; then
BASE_SHA="${{ github.event.pull_request.base.sha }}"
else
BASE_SHA="${{ github.event.before }}"
fi
CHANGED=$(git diff --name-only "$BASE_SHA" "${{ github.sha }}" -- sandboxes/)
# Check if base changed
if echo "$CHANGED" | grep -q '^sandboxes/base/'; then
BASE_CHANGED="true"
# When base changes, rebuild all sandboxes that have a Dockerfile
SANDBOXES=$(find sandboxes -mindepth 1 -maxdepth 1 -type d -exec test -f {}/Dockerfile \; -print \
| xargs -I{} basename {} \
| grep -v '^base$' \
| jq -R -s -c 'split("\n") | map(select(length > 0))')
else
BASE_CHANGED="false"
SANDBOXES=$(echo "$CHANGED" \
| cut -d'/' -f2 \
| sort -u \
| while read -r name; do
if [ "$name" != "base" ] && [ -f "sandboxes/${name}/Dockerfile" ]; then echo "$name"; fi
done \
| jq -R -s -c 'split("\n") | map(select(length > 0))')
fi
fi
echo "base_changed=${BASE_CHANGED}" >> "$GITHUB_OUTPUT"
echo "sandboxes=${SANDBOXES}" >> "$GITHUB_OUTPUT"
echo "Base changed: ${BASE_CHANGED}"
echo "Will build: ${SANDBOXES}"
# ---------------------------------------------------------------------------
# Build the base sandbox image (other sandboxes depend on this)
# ---------------------------------------------------------------------------
build-base:
name: Build base
needs: detect-changes
if: needs.detect-changes.outputs.base-changed == 'true'
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- name: Set up QEMU
uses: docker/setup-qemu-action@v3
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Log in to GHCR
uses: docker/login-action@v3
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Generate image metadata
id: meta
uses: docker/metadata-action@v5
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/sandboxes/base
tags: |
type=sha,prefix=
type=raw,value=latest,enable={{is_default_branch}}
- name: Build and push
uses: docker/build-push-action@v6
with:
context: sandboxes/base
platforms: linux/amd64,linux/arm64
push: ${{ github.ref == 'refs/heads/main' }}
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
cache-from: type=gha,scope=base
cache-to: type=gha,mode=max,scope=base
# ---------------------------------------------------------------------------
# Build dependent sandbox images (after base completes)
# ---------------------------------------------------------------------------
build:
name: Build ${{ matrix.sandbox }}
needs: [detect-changes, build-base]
if: |
always() &&
needs.detect-changes.result == 'success' &&
(needs.build-base.result == 'success' || needs.build-base.result == 'skipped') &&
needs.detect-changes.outputs.sandboxes != '[]'
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
sandbox: ${{ fromJson(needs.detect-changes.outputs.sandboxes) }}
steps:
- uses: actions/checkout@v4
- name: Set up QEMU
uses: docker/setup-qemu-action@v3
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Log in to GHCR
uses: docker/login-action@v3
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Generate image metadata
id: meta
uses: docker/metadata-action@v5
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/sandboxes/${{ matrix.sandbox }}
tags: |
type=sha,prefix=
type=raw,value=latest,enable={{is_default_branch}}
- name: Build and push
uses: docker/build-push-action@v6
with:
context: sandboxes/${{ matrix.sandbox }}
platforms: linux/amd64,linux/arm64
push: ${{ github.ref == 'refs/heads/main' }}
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
build-args: |
BASE_IMAGE=${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/sandboxes/base:latest
cache-from: type=gha,scope=${{ matrix.sandbox }}
cache-to: type=gha,mode=max,scope=${{ matrix.sandbox }}