chore: add script for building CI image locally

scripts/build-ci-image.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+# Build and test the CI runner image locally
+
+set -e
+
+IMAGE_NAME="euchre-camp-ci"
+TAG="${1:-latest}"
+
+echo "Building CI runner image..."
+echo "Image: ${IMAGE_NAME}:${TAG}"
+echo ""
+
+# Build the image
+docker build \
+    -f Dockerfile.ci \
+    -t ${IMAGE_NAME}:${TAG} \
+    .
+
+echo ""
+echo "✅ Image built successfully!"
+echo ""
+
+# Test the image
+echo "Testing CI image..."
+docker run --rm ${IMAGE_NAME}:${TAG} sh -c "
+    echo 'Node.js version:' && node --version
+    echo 'npm version:' && npm --version
+    echo 'Git version:' && git --version
+    echo 'Prisma version:' && npx prisma --version
+    echo ''
+    echo 'Installed packages (top 10):'
+    npm list --depth=0 | head -10
+"
+
+echo ""
+echo "✅ CI image is ready to use!"
+echo ""
+echo "To use in GitHub Actions/Gitea Actions:"
+echo "  container:"
+echo "    image: ${IMAGE_NAME}:${TAG}"
+echo ""
+echo "To push to registry:"
+echo "  docker tag ${IMAGE_NAME}:${TAG} registry.example.com/${IMAGE_NAME}:${TAG}"
+echo "  docker push registry.example.com/${IMAGE_NAME}:${TAG}"