Enable yarn 4.0.2 version and update Dockerfile

Dockerfile

@@ -9,7 +9,7 @@ WORKDIR /app
 
 # NEW enable yarn 4.0.2 version and copy yarnrc.yml
 RUN corepack enable
-COPY .yarn ./.yarn
+# COPY .yarn ./.yarn
 
 # Install dependencies based on the preferred package manager (NEW copy yarnrc.yml to the image)
 COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* .yarnrc.yml ./