feat(phase-6): Complete testing and deployment setup

Testing:
- Add pytest configuration (pytest.ini)
- Add test fixtures (tests/conftest.py)
- Add ContentGenerator tests (13 tests)
- Add ContentScheduler tests (16 tests)
- Add PublisherManager tests (16 tests)
- All 45 tests passing

Production Docker:
- Add docker-compose.prod.yml with healthchecks, resource limits
- Add Dockerfile.prod with multi-stage build, non-root user
- Add nginx.prod.conf with SSL, rate limiting, security headers
- Add .env.prod.example template

Maintenance Scripts:
- Add backup.sh for database and media backups
- Add restore.sh for database restoration
- Add cleanup.sh for log rotation and Docker cleanup
- Add healthcheck.sh with Telegram alerts

Documentation:
- Add DEPLOY.md with complete deployment guide

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

scripts/maintenance/restore.sh

@@ -0,0 +1,94 @@
+#!/bin/bash
+# ===========================================
+# Restore Script for Social Media Automation
+# Usage: ./restore.sh [backup_file]
+# ===========================================
+
+set -e
+
+# Configuration
+BACKUP_DIR="${BACKUP_DIR:-/root/Facebook-X-Threads-Automation/backups}"
+CONTAINER_NAME="${CONTAINER_NAME:-social-automation-db}"
+
+# Colors
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+log() {
+    echo -e "[$(date '+%Y-%m-%d %H:%M:%S')] $1"
+}
+
+error() {
+    log "${RED}ERROR: $1${NC}"
+    exit 1
+}
+
+success() {
+    log "${GREEN}$1${NC}"
+}
+
+warning() {
+    log "${YELLOW}$1${NC}"
+}
+
+# Check if backup file provided
+if [ -z "$1" ]; then
+    log "Available database backups:"
+    echo ""
+    ls -lh "$BACKUP_DIR/database/"*.sql.gz 2>/dev/null || echo "  No backups found"
+    echo ""
+    log "Usage: $0 <backup_file.sql.gz>"
+    exit 1
+fi
+
+BACKUP_FILE="$1"
+
+# Check if file exists
+if [ ! -f "$BACKUP_FILE" ]; then
+    # Try with backup dir prefix
+    if [ -f "$BACKUP_DIR/database/$BACKUP_FILE" ]; then
+        BACKUP_FILE="$BACKUP_DIR/database/$BACKUP_FILE"
+    else
+        error "Backup file not found: $BACKUP_FILE"
+    fi
+fi
+
+log "Backup file: $BACKUP_FILE"
+
+# Confirm restore
+warning "WARNING: This will overwrite the current database!"
+read -p "Are you sure you want to continue? (yes/no): " CONFIRM
+
+if [ "$CONFIRM" != "yes" ]; then
+    log "Restore cancelled"
+    exit 0
+fi
+
+# Check if container is running
+if ! docker ps --format '{{.Names}}' | grep -q "^${CONTAINER_NAME}$"; then
+    error "Database container '$CONTAINER_NAME' is not running"
+fi
+
+# Get database credentials
+POSTGRES_USER=$(docker exec $CONTAINER_NAME printenv POSTGRES_USER 2>/dev/null || echo "social_user")
+POSTGRES_DB=$(docker exec $CONTAINER_NAME printenv POSTGRES_DB 2>/dev/null || echo "social_automation")
+
+log "Restoring database..."
+
+# Drop existing connections and recreate database
+docker exec $CONTAINER_NAME psql -U "$POSTGRES_USER" -c "
+SELECT pg_terminate_backend(pg_stat_activity.pid)
+FROM pg_stat_activity
+WHERE pg_stat_activity.datname = '$POSTGRES_DB'
+AND pid <> pg_backend_pid();" postgres 2>/dev/null || true
+
+# Restore
+if gunzip -c "$BACKUP_FILE" | docker exec -i $CONTAINER_NAME psql -U "$POSTGRES_USER" "$POSTGRES_DB"; then
+    success "Database restored successfully!"
+else
+    error "Database restore failed"
+fi
+
+log "Restore completed. Please restart the application containers."