fix: cleanup large files and update deployment scripts

.gitignore

@@ -243,3 +243,23 @@ __pycache__/
 /node_modules
 /Frontend/node_modules
 /Frontend/dist
+
+# Ignore Database & Vector Stores
+chroma_store/
+Backend/chroma_store/
+*.sqlite3
+*.bin
+*.db
+
+# Ignore Large Files/Documents
+vector_db/
+*.pdf
+img/
+*.png
+
+# Ignore Python Cache & Envs
+__pycache__/
+*.pyc
+.env
+venv/
+.venv/

Backend/app/config.py

@@ -18,14 +18,6 @@ class Settings(BaseSettings):
 
     GROQ_API_KEY: str
     
-    # Add Vapi Settings
-    VAPI_PRIVATE_KEY: str
-    VAPI_PUBLIC_KEY: str
-    VAPI_ASSISTANT_ID: str
-
-    VAPI_ASSISTANT_ID: str = "your-vapi-assistant-id"
-    VAPI_PRIVATE_KEY: str
-    VAPI_PUBLIC_KEY: str
 
     VAPI_ASSISTANT_ID: str = "your-vapi-assistant-id"
     VAPI_PRIVATE_KEY: str

Dockerfile

@@ -4,19 +4,24 @@ WORKDIR /app/frontend
 COPY Frontend/package*.json ./
 RUN npm install
 COPY Frontend/ .
-RUN npm run build
+RUN npm run build [cite: 19]
 
 # --- 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 \
+    nginx postgresql postgresql-contrib postgresql-client \
     build-essential portaudio19-dev libpq-dev git \
-    && rm -rf /var/lib/apt/lists/*
+    && rm -rf /var/lib/apt/lists/* 
+
+# Add PostgreSQL bin directory to PATH for non-root user (adjust version if necessary)
+ENV PATH="/usr/lib/postgresql/15/bin:$PATH"
 
 # Setup non-root user for HF Spaces (UID 1000)
 RUN useradd -m -u 1000 user
+# Create a data directory for PostgreSQL owned by the non-root user
+RUN mkdir -p /home/user/postgres_data && chown -R user:user /home/user/postgres_data
 WORKDIR /home/user/app
 
 # Copy Backend and install requirements
@@ -29,13 +34,16 @@ 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
+COPY --chown=user nginx.conf /etc/nginx/sites-available/default [cite: 20] /
+COPY --chown=user start.sh ./start.sh [cite: 20] /
+RUN chmod +x ./start.sh [cite: 20]
 
 # Environment variables
 ENV PORT=7860
 EXPOSE 7860
 
+# Set the non-root user as the default user for the container
+USER user
+
 # Run the startup script
 CMD ["./start.sh"]

start.sh

@@ -1,18 +1,26 @@
 #!/bin/bash
-# 1. Start PostgreSQL
-service postgresql start
+# 1. Initialize & Start Local PostgreSQL (as non-root user)
+export PGDATA=/home/user/postgres_data
+
+if [ ! -d "$PGDATA/base" ]; then
+    echo "Initializing database..."
+    initdb -D "$PGDATA"
+fi
+
+echo "Starting PostgreSQL..."
+# Start server in the background
+pg_ctl -D "$PGDATA" -l /home/user/app/postgres.log start 
 
 # Wait for service to initialize
 sleep 5
 
-# Execute database setup commands
-sudo -u postgres psql -c "CREATE USER prepuser WITH PASSWORD 'password';"
-sudo -u postgres psql -c "CREATE DATABASE studentdb OWNER prepuser;"
+# Set environment variable for psql to use correct auth (needed for local startup)
+export PGPASSWORD=password 
 
-export DATABASE_URL="postgresql+psycopg2://prepuser:password@127.0.0.1:5432/studentdb"
-export chroma_host="127.0.0.1"
-export chroma_port="8001" # Assuming you run ChromaDB on this port in start.sh
-export chroma_collection="prepai_collection"
+# Execute database setup commands (no sudo needed, run as current user)
+# Attempt to create the user and database if they don't exist
+psql -h 127.0.0.1 -p 5432 -U postgres -d postgres -c "CREATE USER prepuser WITH PASSWORD 'password';" || true
+createdb studentdb -h 127.0.0.1 -p 5432 -U postgres || true
 
 # 2. Start ChromaDB (in-process or separate port)
 chroma run --host 0.0.0.0 --port 8080 --path ./chroma_store &