fix: install curl and gnupg in Dockerfile to support Redis repository addition

Author: ntohidi

Dockerfile

@@ -36,6 +36,10 @@ LABEL maintainer="unclecode"
 LABEL description="🔥🕷️ Crawl4AI: Open-source LLM Friendly Web Crawler & scraper"
 LABEL version="1.0"
 
+# Install curl and gnupg first (needed to add Redis repo)
+RUN apt-get update && apt-get install -y --no-install-recommends curl gnupg \
+    && rm -rf /var/lib/apt/lists/*
+
 # Add official Redis repository for security-patched versions
 RUN curl -fsSL https://packages.redis.io/gpg | gpg --dearmor -o /usr/share/keyrings/redis-archive-keyring.gpg \
     && echo "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb bookworm main" \