Add CI/CD deployment pipeline with Forgejo Actions

- Add .forgejo/workflows/deploy.yml for automated deployment
- Include rollback mechanism with image tagging
- Add health check verification (http://127.0.0.1:3100/health)
- Create manual rollback script for emergency use
- Add deployment documentation and setup instructions
- Supports auto-rollback on deployment failure

scripts/rollback.sh

@@ -0,0 +1,72 @@
+#!/bin/bash
+set -e
+
+echo "🔄 DocFast Rollback Script"
+echo "=========================="
+
+# Check if we're on the server
+if [ ! -d "/root/docfast" ]; then
+    echo "❌ This script should be run on the production server"
+    exit 1
+fi
+
+cd /root/docfast
+
+# List available rollback images
+echo "📋 Available rollback images:"
+ROLLBACK_IMAGES=$(docker images --format "table {{.Repository}}:{{.Tag}}\t{{.CreatedAt}}" | grep "docfast-docfast:rollback-" | head -10)
+
+if [ -z "$ROLLBACK_IMAGES" ]; then
+    echo "❌ No rollback images available"
+    exit 1
+fi
+
+echo "$ROLLBACK_IMAGES"
+echo ""
+
+# Get the most recent rollback image
+LATEST_ROLLBACK=$(docker images --format "{{.Repository}}:{{.Tag}}" | grep "docfast-docfast:rollback-" | head -n1)
+
+if [ -z "$LATEST_ROLLBACK" ]; then
+    echo "❌ No rollback image found"
+    exit 1
+fi
+
+echo "🎯 Will rollback to: $LATEST_ROLLBACK"
+echo ""
+
+# Confirm rollback
+read -p "⚠️ Are you sure you want to rollback? (y/N): " -n 1 -r
+echo
+if [[ ! $REPLY =~ ^[Yy]$ ]]; then
+    echo "❌ Rollback cancelled"
+    exit 1
+fi
+
+echo "🛑 Stopping current services..."
+docker compose down --timeout 30
+
+echo "🔄 Rolling back to $LATEST_ROLLBACK..."
+docker tag $LATEST_ROLLBACK docfast-docfast:latest
+
+echo "▶️ Starting services..."
+docker compose up -d
+
+echo "⏱️ Waiting for service to be ready..."
+for i in {1..20}; do
+    if curl -f -s http://127.0.0.1:3100/health > /dev/null; then
+        echo "✅ Rollback successful! Service is healthy."
+        break
+    fi
+    if [ $i -eq 20 ]; then
+        echo "❌ Rollback failed - service is not responding"
+        exit 1
+    fi
+    echo "⏳ Attempt $i/20 - waiting 3 seconds..."
+    sleep 3
+done
+
+echo "📊 Service status:"
+docker compose ps
+
+echo "🎉 Rollback completed successfully!"