Make Gunicorn respect config.json settings

- Updated gunicorn.conf.py to read host/port from config.json
- Added gunicorn section to config.json for server settings
- Created start_gunicorn.py as alternative launcher
- Updated config.json with server settings (127.0.0.1:6969)
- Updated documentation with new startup options

gunicorn.conf.py

@@ -1,21 +1,42 @@
 # Gunicorn configuration file for ircquotes
 import multiprocessing
+import json
+import os
 
-# Server socket
-bind = "0.0.0.0:5050"
+# Load configuration from config.json
+def load_app_config():
+    config_file = os.path.join(os.path.dirname(__file__), 'config.json')
+    try:
+        with open(config_file, 'r') as f:
+            return json.load(f)
+    except:
+        # Fallback to defaults if config.json not found
+        return {
+            "app": {"host": "0.0.0.0", "port": 5050}
+        }
+
+app_config = load_app_config()
+
+# Server socket - use config.json values
+host = app_config.get('app', {}).get('host', '0.0.0.0')
+port = app_config.get('app', {}).get('port', 5050)
+bind = f"{host}:{port}"
 backlog = 2048
 
-# Worker processes
-workers = multiprocessing.cpu_count() * 2 + 1
+# Worker processes - use config.json values
+workers = app_config.get('gunicorn', {}).get('workers', multiprocessing.cpu_count() * 2 + 1)
 worker_class = "sync"
 worker_connections = 1000
-timeout = 30
-keepalive = 5
+timeout = app_config.get('gunicorn', {}).get('timeout', 30)
+keepalive = app_config.get('gunicorn', {}).get('keepalive', 5)
 
 # Restart workers after this many requests, to help prevent memory leaks
-max_requests = 1000
+max_requests = app_config.get('gunicorn', {}).get('max_requests', 1000)
 max_requests_jitter = 100
 
+# Preload app for better performance
+preload_app = app_config.get('gunicorn', {}).get('preload', True)
+
 # Logging
 accesslog = "-"  # Log to stdout
 errorlog = "-"   # Log to stderr