🧪 test: add local Docker push workflow testing script

scripts/test-docker-push.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+# Test Docker push workflow locally using act
+# Usage: scripts/test-docker-push.sh
+
+set -e
+
+echo "🧪 Testing Docker Push Workflow Locally"
+echo "======================================"
+echo ""
+
+# Check requirements
+if ! command -v act >/dev/null 2>&1; then
+    echo "❌ act not found. Please install act first."
+    echo "   brew install act"
+    exit 1
+fi
+
+if ! command -v docker >/dev/null 2>&1; then
+    echo "❌ Docker not found. Please install Docker first."
+    exit 1
+fi
+
+echo "✅ Requirements met"
+echo ""
+
+# Test the Docker push workflow
+echo "1. Testing Docker push workflow with act..."
+echo "   This may take a few minutes..."
+echo ""
+
+# Run act with the docker-push workflow
+act \
+  -W .gitea/workflows/docker-push.yaml \
+  --job docker-push \
+  --secret GITEA_TOKEN=dummy_token \
+  --secret PACKAGES_TOKEN=dummy_token \
+  --env GITEA_INTERNAL=https://gitea.arcodange.lab/ \
+  --env GITEA_EXTERNAL=https://gitea.arcodange.fr/ \
+  --env GITEA_ORG=arcodange \
+  --env GITEA_REPO=dance-lessons-coach \
+  --env CI_REGISTRY=gitea.arcodange.lab
+
+echo ""
+echo "✅ Local testing complete!"
+echo ""
+echo "💡 If the test failed, check:"
+echo "   - Dockerfile.prod.template syntax"
+echo "   - Dependency hash calculation"
+echo "   - Docker build context"
+echo "   - Go module dependencies"
+echo ""
+echo "💡 To test specific scenarios:"
+echo "   act -W .gitea/workflows/docker-push.yaml --list"
+echo "   act -W .gitea/workflows/docker-push.yaml --job docker-push --dryrun"