Add comprehensive configuration and testing for HMAC File Server 3.2

- Introduced configuration files for Docker, Podman, and SystemD deployments.
- Implemented a comprehensive test suite for HMAC validation, file uploads, and network resilience.
- Added debugging scripts for live monitoring of upload issues and service status.
- Created minimal configuration for testing purposes.
- Developed multiple test scripts to validate HMAC calculations and response handling.
- Enhanced upload tests to cover various scenarios including invalid HMAC and unsupported file extensions.
- Improved logging and error analysis capabilities for better diagnostics.

tests/test-upload.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+# Test script to trace 400 errors in HMAC file server uploads
+
+# Test URL from the logs
+TEST_URL="https://share.uuxo.net/c184288b79f8b7a6f7d87ac7f1fb1ce6dcf49a80/test/test.mp4?v=test123"
+
+echo "Testing with a simple small file..."
+
+# Create a small test file
+echo "Test content for upload debugging" > /tmp/test_upload.mp4
+
+echo "Attempting upload with curl..."
+curl -X PUT \
+     -H "Content-Type: video/mp4" \
+     -H "User-Agent: TestDebug/1.0" \
+     --data-binary "@/tmp/test_upload.mp4" \
+     "$TEST_URL" \
+     -v \
+     -w "\n\nResponse Code: %{http_code}\nTotal Time: %{time_total}s\nSize Uploaded: %{size_upload} bytes\n" \
+     2>&1
+
+echo -e "\n\nNow checking the logs for this specific request..."
+
+# Wait a moment for logs to be written
+sleep 2
+
+# Check recent logs
+echo "=== HMAC File Server Logs ==="
+tail -10 /opt/hmac-file-server/data/logs/hmac-file-server.log | grep -v "Interface\|RTT\|Loss"
+
+echo -e "\n=== Nginx Access Log ==="
+tail -5 /var/log/nginx/access.log | grep PUT
+
+echo -e "\n=== Nginx Error Log ==="
+tail -5 /var/log/nginx/upload_errors.log
+
+# Clean up
+rm -f /tmp/test_upload.mp4