Enhancement features

Dockerfile

@@ -0,0 +1,20 @@
+# Use official Node.js LTS image
+FROM node:20
+
+# Set working directory
+WORKDIR /usr/src/app
+
+# Copy package.json and package-lock.json
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy the rest of the app
+COPY . .
+
+# Expose app port
+EXPOSE 3000
+
+# Start the app
+CMD ["npm", "start"]

README.md

@@ -193,3 +193,35 @@ Here are some suggestions for the next set of tasks for candidates to further en
 -   **Continuous Integration (CI)**:
     -   Set up a CI pipeline using GitHub Actions to automatically run tests and lint checks on every push and pull request.
 ```
+## Running the Project with Docker
+
+### Prerequisites
+Before running the application in Docker, ensure the following are installed:
+
+| Requirement | Required? | Instructions |
+|------------|----------|--------------|
+| **Docker Desktop (Windows/macOS)** https://www.docker.com/products/docker-desktop/ |
+| **Docker Compose** Comes bundled with Docker Desktop / Docker Engine |
+
+> **Windows/macOS users must start Docker Desktop before running any docker-compose commands.**
+
+---
+
+### Start Docker (Windows/macOS users)
+1. Open **Docker Desktop** from the Start Menu.
+2. Wait until it shows: **"Docker is running"**.
+3. build and run containers
+    docker-compose up --build
+
+### This project uses Nodemailer to send email notifications (e.g., for task creation and updation, user registration confirmation)
+
+# Nodemailer Email Configuration (add in .env)
+EMAIL_PASS=your-email-password
+EMAIL_USER=<your-email@example.com>
+
+## This project uses Redis for job queues (via BullMQ). When running with Docker, Redis is included as a service.
+# The default host and port in Docker Compose are:
+REDIS_HOST=redis
+REDIS_PORT=6379
+
+

docker-compose.yml

@@ -0,0 +1,55 @@
+version: "3.9"
+
+services:
+  app:
+    build: .
+    container_name: node-app
+    ports:
+      - "${PORT}:${PORT}"
+    env_file:
+      - .env
+    depends_on:
+      - postgres
+      - redis
+
+  worker:
+    build: .
+    container_name: email-worker
+    env_file:
+      - .env
+    depends_on:
+      - redis
+      - postgres
+    command: node src/workers/emailWorker.js
+
+  postgres:
+    image: postgres:15
+    container_name: postgres
+    restart: always
+    environment:
+      POSTGRES_USER: ${DB_USER}
+      POSTGRES_PASSWORD: ${DB_PASSWORD}
+      POSTGRES_DB: ${DB_NAME}
+    ports:
+      - "${DB_PORT}:${DB_PORT}"
+    volumes:
+      - pgdata:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${DB_USER}"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+  redis:
+    image: redis:7
+    container_name: redis
+    ports:
+      - "${REDIS_PORT}:${REDIS_PORT}"
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+volumes:
+  pgdata: