Initial commit: Claude Dev Container with Java multi-version, Docker CLI, and web terminal

check-setup.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+echo "🔍 Claude Dev Container - Setup Check"
+echo "======================================"
+echo ""
+
+# Check if .env exists
+if [ -f .env ]; then
+    echo "✅ .env file exists"
+else
+    echo "❌ .env file missing - copy from .env.example"
+    echo "   Run: cp .env.example .env"
+fi
+
+# Check Docker socket
+if [ -e /var/run/docker.sock ]; then
+    echo "✅ Docker socket found"
+    DOCKER_GID=$(stat -c '%g' /var/run/docker.sock 2>/dev/null || stat -f '%g' /var/run/docker.sock)
+    echo "   Docker group ID: $DOCKER_GID"
+    echo ""
+    echo "   ⚠️  Make sure docker-compose.yml has 'group_add: [\"$DOCKER_GID\"]'"
+else
+    echo "⚠️  Docker socket not found at /var/run/docker.sock"
+    echo "   This is normal if you're not on the Synology host"
+fi
+
+# Check Docker
+if command -v docker &> /dev/null; then
+    echo "✅ Docker installed"
+    docker --version
+else
+    echo "❌ Docker not found"
+fi
+
+# Check Docker Compose
+if docker compose version &> /dev/null; then
+    echo "✅ Docker Compose available"
+    docker compose version
+elif command -v docker-compose &> /dev/null; then
+    echo "✅ Docker Compose available (standalone)"
+    docker-compose --version
+else
+    echo "❌ Docker Compose not found"
+fi
+
+echo ""
+echo "======================================"
+echo "Ready to build? Run: make build && make up"
+echo "Or: docker compose build && docker compose up -d"