feat: implement initial Deno server with WebSocket API, static file serving, and development Docker Compose.

docker-compose.dev.yml

@@ -0,0 +1,44 @@
+# Development Docker Compose for Hitstar
+# Enables hot reload and debugging for local development
+#
+# Usage:
+#   docker compose -f docker-compose.dev.yml up --build
+#   
+# Debugging:
+#   Connect to chrome://inspect or VS Code debugger at localhost:9229
+
+services:
+  hitstar-dev:
+    build:
+      context: .
+      dockerfile: Dockerfile
+      target: development
+    image: hitstar-deno:dev
+    container_name: hitstar-dev
+    environment:
+      - DENO_ENV=development
+      - PORT=5173
+    ports:
+      # Application port
+      - "5173:5173"
+      # Deno inspector/debugger port
+      - "9229:9229"
+    volumes:
+      # Mount source code for hot reload
+      - ./src/server-deno:/app:cached
+      # Mount data directory
+      - ./data:/app/data
+    # Override CMD to enable debugging with inspector
+    command: >
+      deno run --allow-net --allow-read --allow-env --allow-write --watch --inspect=0.0.0.0:9229 main.ts
+    networks:
+      - hitstar-dev-network
+    # Restart on crash during development
+    restart: unless-stopped
+    # Enable stdin for interactive debugging
+    stdin_open: true
+    tty: true
+
+networks:
+  hitstar-dev-network:
+    driver: bridge