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

docker-compose.yml

@@ -0,0 +1,32 @@
+version: '3.8'
+
+services:
+  claude-dev:
+    build: .
+    container_name: claude-dev-container
+    restart: unless-stopped
+    
+    ports:
+      - "7681:7681"  # ttyd (web terminal)
+    
+    environment:
+      # Set custom terminal credentials via .env file
+      - TERMINAL_USER=${TERMINAL_USER:-developer}
+      - TERMINAL_PASSWORD=${TERMINAL_PASSWORD:-changeme}
+    
+    volumes:
+      # Mount host Docker socket (for Synology)
+      - /var/run/docker.sock:/var/run/docker.sock
+      
+      # Persistent workspace
+      - /volume1/docker/claude-dev/workspace:/home/developer/workspace
+      
+      # Claude Code credentials (copy from Mac ~/.claude)
+      - /volume1/docker/claude-dev/claude-config:/home/developer/.claude
+    
+    # Run as developer user
+    user: "1000:1000"
+    
+    # Give access to docker group (typically GID 999 on Synology, adjust if needed)
+    group_add:
+      - "999"  # Docker group - check with: getent group docker on your Synology