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/cleanup.sh

@@ -0,0 +1,121 @@
+#!/bin/bash
+# ===========================================
+# Cleanup Script for Social Media Automation
+# Run weekly via cron:
+# 0 3 * * 0 /path/to/cleanup.sh >> /var/log/cleanup.log 2>&1
+# ===========================================
+
+set -e
+
+# Configuration
+PROJECT_DIR="${PROJECT_DIR:-/root/Facebook-X-Threads-Automation}"
+LOG_RETENTION_DAYS="${LOG_RETENTION_DAYS:-30}"
+DOCKER_LOG_MAX_SIZE="${DOCKER_LOG_MAX_SIZE:-100m}"
+
+# Colors
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+log() {
+    echo -e "[$(date '+%Y-%m-%d %H:%M:%S')] $1"
+}
+
+success() {
+    log "${GREEN}$1${NC}"
+}
+
+warning() {
+    log "${YELLOW}$1${NC}"
+}
+
+log "Starting cleanup process..."
+
+# ===========================================
+# 1. CLEAN DOCKER LOGS
+# ===========================================
+log "Cleaning Docker container logs..."
+
+# Truncate Docker logs (requires root)
+if [ -d /var/lib/docker/containers ]; then
+    for container_dir in /var/lib/docker/containers/*/; do
+        log_file="${container_dir}*-json.log"
+        for f in $log_file; do
+            if [ -f "$f" ]; then
+                size_before=$(du -h "$f" | cut -f1)
+                if truncate -s 0 "$f" 2>/dev/null; then
+                    log "  Truncated: $(basename $(dirname $f)) ($size_before)"
+                fi
+            fi
+        done
+    done
+    success "Docker logs cleaned"
+else
+    warning "Docker log directory not found (might need sudo)"
+fi
+
+# ===========================================
+# 2. CLEAN APPLICATION LOGS
+# ===========================================
+log "Cleaning application logs older than $LOG_RETENTION_DAYS days..."
+
+if [ -d "$PROJECT_DIR/logs" ]; then
+    count=$(find "$PROJECT_DIR/logs" -name "*.log" -type f -mtime +$LOG_RETENTION_DAYS 2>/dev/null | wc -l)
+    find "$PROJECT_DIR/logs" -name "*.log" -type f -mtime +$LOG_RETENTION_DAYS -delete 2>/dev/null || true
+    log "  Deleted $count old log file(s)"
+fi
+
+# ===========================================
+# 3. CLEAN NGINX LOGS
+# ===========================================
+log "Rotating nginx logs..."
+
+if docker ps --format '{{.Names}}' | grep -q "social-automation-nginx"; then
+    docker exec social-automation-nginx nginx -s reopen 2>/dev/null && \
+        success "Nginx logs rotated" || warning "Could not rotate nginx logs"
+fi
+
+# ===========================================
+# 4. CLEAN DOCKER SYSTEM
+# ===========================================
+log "Cleaning Docker system..."
+
+# Remove unused images, containers, networks
+docker system prune -f --volumes 2>/dev/null && \
+    success "Docker system cleaned" || warning "Could not clean Docker system"
+
+# Remove dangling images
+dangling=$(docker images -f "dangling=true" -q 2>/dev/null | wc -l)
+if [ $dangling -gt 0 ]; then
+    docker rmi $(docker images -f "dangling=true" -q) 2>/dev/null || true
+    log "  Removed $dangling dangling image(s)"
+fi
+
+# ===========================================
+# 5. CLEAN TEMP FILES
+# ===========================================
+log "Cleaning temporary files..."
+
+# Python cache
+find "$PROJECT_DIR" -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true
+find "$PROJECT_DIR" -type f -name "*.pyc" -delete 2>/dev/null || true
+find "$PROJECT_DIR" -type f -name "*.pyo" -delete 2>/dev/null || true
+
+# Pytest cache
+rm -rf "$PROJECT_DIR/.pytest_cache" 2>/dev/null || true
+
+success "Temporary files cleaned"
+
+# ===========================================
+# 6. DISK USAGE REPORT
+# ===========================================
+log "─────────────────────────────────────────"
+log "Disk Usage Report:"
+log "  Project:  $(du -sh $PROJECT_DIR 2>/dev/null | cut -f1)"
+log "  Backups:  $(du -sh $PROJECT_DIR/backups 2>/dev/null | cut -f1 || echo 'N/A')"
+log "  Docker:   $(docker system df --format '{{.Size}}' 2>/dev/null | head -1 || echo 'N/A')"
+log "  Disk:     $(df -h / | awk 'NR==2 {print $4 " free of " $2}')"
+log "─────────────────────────────────────────"
+
+success "Cleanup process completed!"