feat: update with pnpm

Dockerfile

@@ -7,18 +7,22 @@ RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app
 
 # Installing dependencies
-COPY package*.json /usr/src/app/
+COPY package.json pnpm-lock.yaml ./
+
+# Install dependencies
+RUN pnpm install --frozen-lockfile
 
 # RUN npm install --force
-RUN npm install -g npm@latest
-RUN npm install
+# RUN npm install -g npm@latest
+# RUN npm install
 
 # Copying source files
-COPY . /usr/src/app
+COPY . .
 
 # Building app
-RUN npm run build
+RUN pnpm run build
+
 EXPOSE 4000
 
 # Running the app
-CMD "npm" "run" "start"
+CMD ["pnpm", "run", "start"]