dns retry

.env.example

@@ -10,11 +10,6 @@ VAPID_PRIVATE_KEY=
 # Example: mailto:admin@yourdomain.com or https://yourdomain.com/contact
 VAPID_SUBJECT=mailto:admin@virtonline.eu
 
-# Flic Button Configuration
-FLIC_BUTTON1_SERIAL=your_button1_serial
-FLIC_BUTTON2_SERIAL=your_button2_serial
-FLIC_BUTTON3_SERIAL=your_button3_serial
-
 # Subscription Storage
 SUBSCRIPTIONS_FILE=subscriptions.json
 
@@ -30,4 +25,19 @@ LOG_LEVEL=INFO
 # If you want to add a simple security layer between Flic and this app.
 # If set, configure Flic's HTTP request to include an "Authorization: Bearer YOUR_SECRET_VALUE" header.
 # use e.g.: openssl rand -hex 32
-FLIC_SECRET=
+FLIC_SECRET=
+
+# --- DNS and Network Configuration ---
+# These settings help with Docker DNS resolution issues (EAI_AGAIN errors)
+
+# Maximum number of retry attempts for failed DNS resolutions
+MAX_NOTIFICATION_RETRIES=3
+
+# Initial delay in milliseconds before first retry (will increase with backoff)
+INITIAL_RETRY_DELAY_MS=1000
+
+# DNS resolution timeout in milliseconds
+DNS_TIMEOUT_MS=5000
+
+# HTTP request timeout in milliseconds
+HTTP_TIMEOUT_MS=10000