Dockerize user-db locally (#53)

Author: samuelim01

.env.sample

@@ -8,11 +8,10 @@ QUESTION_DB_USERNAME=user
 QUESTION_DB_PASSWORD=password
 
 # User Service
-USER_SERVICE_CLOUD_URI=mongodb+srv://admin:<db_password>@cluster0.uo0vu.mongodb.net/?retryWrites=true&w=majority&appName=Cluster0
-USER_SERVICE_LOCAL_URI=mongodb://127.0.0.1:27017/peerprepUserServiceDB
-
-# Will use cloud MongoDB Atlas database
-ENV=PROD
+USER_DB_CLOUD_URI=<FILL-THIS-IN>
+USER_DB_LOCAL_URI=mongodb://user-db:27017/user
+USER_DB_USERNAME=user
+USER_DB_PASSWORD=password
 
 # Secret for creating JWT signature
 JWT_SECRET=you-can-replace-this-with-your-own-secret

compose.dev.yml

@@ -18,4 +18,8 @@ services:
     command: npm run dev
     volumes:
       - /app/node_modules
-      - ./services/user:/app
+      - ./services/user:/app
+  
+  user-db:
+    ports:
+      - 27018:27017

compose.yml

@@ -49,15 +49,34 @@ services:
     ports:
       - 8082:8082
     environment:
-      USER_SERVICE_CLOUD_URI: ${USER_SERVICE_CLOUD_URI}
-      USER_SERVICE_LOCAL_URI: ${USER_SERVICE_LOCAL_URI}
-      ENV: ${ENV}
+      DB_CLOUD_URI: ${USER_DB_CLOUD_URI}
+      DB_LOCAL_URI: ${USER_DB_LOCAL_URI}
+      DB_USERNAME: ${USER_DB_USERNAME}
+      DB_PASSWORD: ${USER_DB_PASSWORD}
       JWT_SECRET: ${JWT_SECRET}
+    networks:
+      - user-db-network
+    restart: always
+  
+  user-db:
+    container_name: user-db
+    image: mongo:7.0.14
+    environment:
+      MONGO_INITDB_ROOT_USERNAME: ${USER_DB_USERNAME}
+      MONGO_INITDB_ROOT_PASSWORD: ${USER_DB_PASSWORD}
+    volumes:
+      - user-db:/data/db
+    networks:
+      - user-db-network
+    command: --quiet
     restart: always
 
 volumes:
   question-db:
+  user-db:
 
 networks:
   question-db-network:
+    driver: bridge
+  user-db-network:
     driver: bridge

services/user/.env.sample

@@ -1,10 +1,8 @@
-# User Service
-USER_SERVICE_CLOUD_URI=<cloud_uri>
-USER_SERVICE_LOCAL_URI=mongodb://127.0.0.1:27017/peerprepUserServiceDB
-PORT=8082
-
-# Will use cloud MongoDB Atlas database
-ENV=PROD
+# This is a sample environment configuration file.
+# Copy this file to .env and replace the placeholder values with your own.
+DB_CLOUD_URI=<FILL-THIS-IN>
+DB_LOCAL_URI=mongodb://user-db:27017/user
+PORT=8083
 
 # Secret for creating JWT signature
 JWT_SECRET=you-can-replace-this-with-your-own-secret

services/user/src/model/repository.ts

@@ -3,14 +3,17 @@ import 'dotenv/config';
 import { connect } from 'mongoose';
 
 export async function connectToDB() {
-    const mongoDBUri =
-        process.env.ENV === 'PROD' ? process.env.USER_SERVICE_CLOUD_URI : process.env.USER_SERVICE_LOCAL_URI;
+    const mongoUri = process.env.NODE_ENV === 'production' ? process.env.DB_CLOUD_URI : process.env.DB_LOCAL_URI;
 
-    if (!mongoDBUri) {
+    if (!mongoUri) {
         throw new Error('MongoDB URI not specified');
     }
 
-    await connect(mongoDBUri);
+    await connect(mongoUri, {
+        authSource: 'admin',
+        user: process.env.DB_USERNAME,
+        pass: process.env.DB_PASSWORD,
+    });
 }
 
 export async function createUser(username: string, email: string, password: string) {