feat: spaces deployement

Dockerfile

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+# --- Stage 1: Build Frontend ---
+FROM node:20-alpine as build-stage
+WORKDIR /app/frontend
+COPY Frontend/package*.json ./
+RUN npm install
+COPY Frontend/ .
+RUN npm run build
+
+# --- Stage 2: Runtime ---
+FROM python:3.12-slim
+
+# Install system dependencies (Nginx, PostgreSQL, PortAudio)
+RUN apt-get update && apt-get install -y \
+    nginx postgresql postgresql-contrib \
+    build-essential portaudio19-dev libpq-dev git \
+    && rm -rf /var/lib/apt/lists/*
+
+# Setup non-root user for HF Spaces (UID 1000)
+RUN useradd -m -u 1000 user
+WORKDIR /home/user/app
+
+# Copy Backend and install requirements
+COPY --chown=user Backend/requirements.txt ./Backend/
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir torch --index-url https://download.pytorch.org/whl/cpu && \
+    pip install --no-cache-dir -r Backend/requirements.txt
+
+COPY --chown=user Backend/ ./Backend/
+COPY --chown=user --from=build-stage /app/frontend/dist /usr/share/nginx/html
+
+# Copy Configs
+COPY --chown=user nginx.conf /etc/nginx/sites-available/default
+COPY --chown=user start.sh ./start.sh
+RUN chmod +x ./start.sh
+
+# Environment variables
+ENV PORT=7860
+EXPOSE 7860
+
+# Run the startup script
+CMD ["./start.sh"]

nginx.conf

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+server {
+    listen 7860;
+    
+    location / {
+        root /usr/share/nginx/html;
+        index index.html;
+        try_files $uri $uri/ /index.html;
+    }
+
+    location /api/v1/ {
+        proxy_pass http://localhost:8000/api/v1/;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+    }
+}

start.sh

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+#!/bin/bash
+# 1. Start PostgreSQL
+service postgresql start
+su - postgres -c "psql -c \"CREATE USER user WITH PASSWORD 'password';\""
+su - postgres -c "psql -c \"CREATE DATABASE studentdb OWNER user;\""
+
+# 2. Start ChromaDB (in-process or separate port)
+chroma run --host 0.0.0.0 --port 8080 --path ./chroma_store &
+
+# 3. Start Nginx
+service nginx start
+
+# 4. Start Backend
+cd Backend
+python run.py