docs: update README with new Docker-based packaging

- Update installation section to use Docker-based packaging
- Replace rpmbuild and debhelper commands with make package-* targets
- Document new unified packaging workflow with fpm

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

README.md

@@ -21,6 +21,19 @@ Apache HTTPD 2.4 module for logging all incoming HTTP requests as JSON lines to
 
 ## Installation
 
+### Using Docker (recommended)
+
+```bash
+# Build DEB and RPM packages
+make package-deb    # Creates dist/deb/libapache2-mod-reqin-log_*.deb
+make package-rpm    # Creates dist/rpm/mod_reqin_log-*.rpm
+make package        # Build both packages
+
+# Test package installation
+make test-package-deb   # Test DEB in Docker container
+make test-package-rpm   # Test RPM in Docker container
+```
+
 ### Build from Source
 
 ```bash
@@ -34,29 +47,6 @@ make
 sudo make install
 ```
 
-### Using Package Manager
-
-#### RPM (Rocky Linux 8+)
-
-```bash
-# Build RPM package
-rpmbuild -ba packaging/rpm/mod_reqin_log.spec
-
-# Install the package
-sudo rpm -ivh ~/rpmbuild/RPMS/x86_64/mod_reqin_log-1.0.0-1.el8.x86_64.rpm
-```
-
-#### DEB (Debian/Ubuntu)
-
-```bash
-# Build DEB package
-cd packaging/deb
-debuild -us -uc
-
-# Install the package
-sudo dpkg -i ../libapache2-mod-reqin-log_1.0.0_amd64.deb
-```
-
 ## Configuration
 
 Load the module and configure in your Apache configuration: