Try using slimmer build for backend services

Author: szelongq

ApiGatewayService/Dockerfile

@@ -1,5 +1,5 @@
 # Use an official Node.js runtime as a parent image
-FROM node:14
+FROM node:bookworm-slim
 
 # Set the working directory in the container
 WORKDIR /usr/src/api-gateway

AuthService/Dockerfile

@@ -1,5 +1,5 @@
 # Use an official Node.js runtime as a parent image
-FROM node:14
+FROM node:bookworm-slim
 
 # Set the working directory in the container
 WORKDIR /usr/src/auth-service

ChatService/Dockerfile

@@ -1,5 +1,5 @@
 # Use an official Node.js runtime as a parent image
-FROM node:14
+FROM node:bookworm-slim
 
 # Set the working directory in the container
 WORKDIR /usr/src/chat-service

CollabService/Dockerfile

@@ -1,5 +1,5 @@
 # Use an official Node.js runtime as a parent image
-FROM node:14
+FROM node:bookworm-slim
 
 # Set the working directory in the container
 WORKDIR /usr/src/collab-service

MatchingService/Dockerfile

@@ -1,5 +1,5 @@
 # Use an official Node.js runtime as a parent image
-FROM node:14
+FROM node:bookworm-slim
 
 # Set the working directory in the container
 WORKDIR /usr/src/matching-service

QuestionService/Dockerfile

@@ -1,5 +1,5 @@
 # Use an official Node.js runtime as a parent image
-FROM node:14
+FROM node:bookworm-slim
 
 # Set the working directory in the container
 WORKDIR /usr/src/question-service

UserService/Dockerfile

@@ -1,5 +1,5 @@
 # Use an official Node.js runtime as a parent image
-FROM node:14
+FROM node:bookworm-slim
 
 # Set the working directory in the container
 WORKDIR /usr/src/user-service