add prometheus metrics

1 files changed, 20 insertions, 0 deletions

diff --git a/.env.example b/.env.example
index 0a93b1f..9207dc4 100644
--- a/.env.example
+++ b/.env.example
@@ -72,6 +72,26 @@
 # NGIT_DATABASE_BACKEND=lmdb
 
 # ============================================================================
+# METRICS
+# ============================================================================
+
+# Enable Prometheus metrics endpoint at /metrics
+# CLI: --metrics-enabled
+# Default: true
+# NGIT_METRICS_ENABLED=true
+
+# Connections per IP before flagging as potential abuse in metrics
+# (display only, no rate limiting - purely for monitoring visibility)
+# CLI: --metrics-connection-per-ip-abuse-threshold <count>
+# Default: 10
+# NGIT_METRICS_CONNECTION_PER_IP_ABUSE_THRESHOLD=10
+
+# Number of top bandwidth repositories to track in metrics
+# CLI: --metrics-top-n-repos <count>
+# Default: 10
+# NGIT_METRICS_TOP_N_REPOS=10
+
+# ============================================================================
 # LOGGING
 # ============================================================================