Add deployment script for git-based deployments

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

deploy.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+set -e  # Exit on any error
+
+# Configuration
+DEPLOY_DIR="/opt/semblance"
+FRONTEND_DEST="/var/www/html/semblance"
+PYTHON_CMD="python3.13"
+
+echo "======================================"
+echo "Starting deployment..."
+echo "======================================"
+
+# Step 1: Pull latest changes
+echo ""
+echo "[1/6] Pulling latest changes from git..."
+cd "$DEPLOY_DIR"
+git pull
+
+# Step 2: Set up frontend environment
+echo ""
+echo "[2/6] Setting up frontend environment..."
+cp .env.production .env
+
+# Step 3: Set up Python virtual environment
+echo ""
+echo "[3/6] Setting up Python virtual environment..."
+cd "$DEPLOY_DIR/backend"
+if [ ! -d "venv" ]; then
+    echo "Creating new virtual environment with $PYTHON_CMD..."
+    $PYTHON_CMD -m venv venv
+else
+    echo "Virtual environment already exists."
+fi
+
+# Step 4: Install Python dependencies
+echo ""
+echo "[4/6] Installing Python dependencies..."
+source venv/bin/activate
+pip install -r requirements.txt --quiet
+
+# Step 5: Build and deploy frontend
+echo ""
+echo "[5/6] Building and deploying frontend..."
+cd "$DEPLOY_DIR"
+npm install --silent
+npm run build
+
+echo "Cleaning deployment directory..."
+rm -rf "$FRONTEND_DEST"/*
+echo "Copying new build..."
+cp -r dist/* "$FRONTEND_DEST/"
+
+# Step 6: Restart backend service
+echo ""
+echo "[6/6] Restarting backend service..."
+sudo systemctl restart semblance.service
+
+echo ""
+echo "======================================"
+echo "Deployment complete!"
+echo "======================================"
+echo ""
+systemctl status semblance.service --no-pager