first version

.env.example

@@ -0,0 +1,39 @@
+# Flic to PWA WebPush Configuration
+
+# --- VAPID Keys (Required) ---
+# Generate using: npx web-push generate-vapid-keys
+VAPID_PUBLIC_KEY=
+VAPID_PRIVATE_KEY=
+VAPID_SUBJECT=mailto:mailto:user@example.org
+
+# --- Server Configuration ---
+# Internal port for the Node.js app
+PORT=3000
+SUBSCRIPTIONS_FILE=/app/subscriptions.json 
+DEFAULT_BUTTON_NAME=game-button
+
+# --- Authentication (Optional) ---
+# If both USERNAME and PASSWORD are set, Basic Auth will be enabled for:
+#   - POST /subscribe
+#   - GET /webhook
+# Leave blank to disable authentication.
+BASIC_AUTH_USERNAME=user12345
+BASIC_AUTH_PASSWORD=password
+
+# --- Web Push Retry Configuration (Optional) ---
+# Number of retries on failure (e.g., DNS issues)
+NOTIFICATION_MAX_RETRIES=3    
+# First retry delay in milliseconds (minimal delay for immediate retry)
+NOTIFICATION_FIRST_RETRY_DELAY_MS=10
+# Base delay in milliseconds for subsequent retries (used for exponential backoff)
+NOTIFICATION_SUBSEQUENT_RETRY_DELAY_MS=1000
+
+# --- Network Configuration (Optional) ---
+# Timeout for DNS lookups (ms)
+DNS_TIMEOUT_MS=5000 
+# Timeout for outgoing HTTP requests (ms)
+HTTP_TIMEOUT_MS=10000 
+
+# --- Logging ---
+# Controls log verbosity: error, warn, info, debug
+LOG_LEVEL=info