fix: update user handling in Post DTO and model, add Docker Compose restart policy

Author: minzique

backend/src/dtos/post.dto.ts

@@ -63,7 +63,7 @@ export class PostResponseDto implements IPostResponse {
     if (document.user && typeof document.user === "object") {
       dto.user = {
         id: document.user._id.toString(),
-        username: document.user.username || "Unknown",
+        username: (document.user as unknown as IUserDocument).username || "Unknown",
       };
     } else {
       // If user is not populated, just use the ID

backend/src/models/Post.ts

@@ -4,11 +4,7 @@ import { EntityId } from "@/types/common.types";
 
 // Base interface (without Document methods)
 export interface IPost {
-  user: {
-    _id: EntityId;
-    username: string;
-    email?: string;
-  };
+  user: EntityId;
   content: string;
   imageUrl?: string;
   likes: EntityId[];
@@ -47,7 +43,7 @@ export interface IPostModel extends Model<IPostDocument> {
 const postSchema = new Schema<IPostDocument>(
   {
     user: {
-      type: Schema.Types.Mixed,
+      type: Schema.Types.ObjectId,
       ref: "User",
       required: true,
     },
@@ -154,7 +150,7 @@ postSchema.statics.getRankedPosts = async function (options: {
       { $sort: { score: -1 } }, // Sort by descending score
       { $skip: options.skip },
       { $limit: options.limit },
-            {
+      {
         $lookup: {
           from: "users", // The name of the users collection
           localField: "user",
@@ -169,7 +165,7 @@ postSchema.statics.getRankedPosts = async function (options: {
     ]),
     this.countDocuments(),
   ]);
-
+  
   return { posts, total };
 };
 // Export the model and return type

docker-compose.yml

@@ -2,6 +2,7 @@ version: '3.8'
 
 services:
   backend:
+    restart: always
     build:
       context: ./backend
       dockerfile: ../docker/backend.dockerfile
@@ -17,29 +18,28 @@ services:
       - RECAPTCHA_SITE_KEY=${RECAPTCHA_SITE_KEY}
       - NODE_ENV=${NODE_ENV}
     volumes:
-      - ./backend:/app
       - /app/node_modules
     depends_on:
       - mongodb
     networks:
       - app-network
 
   frontend:
+    restart: always
     build:
       context: ./frontend
       dockerfile: ../docker/frontend.dockerfile
     ports:
       - "${FRONTEND_PORT:-3000}:${FRONTEND_PORT:-3000}" 
     env_file: 
       - ./frontend/.env
-    volumes:
-      - ./frontend:/app # Only mount for development purposes
     depends_on:
       - backend
     networks:
       - app-network
 
   mongodb:
+    restart: always
     image: mongo:5
     environment:
       MONGO_INITDB_DATABASE: surge-social
@@ -50,6 +50,7 @@ services:
 
   # Add Nginx reverse proxy for SSL termination
   nginx:
+    restart: always
     image: nginx:alpine
     ports:
       - "80:80"
@@ -65,6 +66,7 @@ services:
 
   # Automatically renew SSL certificates
   certbot:
+    restart: always
     image: certbot/certbot
     container_name: certbot
     volumes: