Update Dockerfile

Dockerfile

@@ -7,7 +7,11 @@ WORKDIR /app
 # Copy package.json and package-lock.json to the working directory
 COPY package*.json ./
 
-# Install dependencies, including React Flow
+RUN curl -fsSL https://deb.nodesource.com/setup_18.x | bash - && \
+    apt-get install -y nodejs
+
+COPY package*.json ./
+COPY src ./src
 RUN npm install
 RUN npm install reactflow