Merge branch 'feat/update-docker-container-for-socket-based-metrics' into 'main'

Feat/update docker container for socket based metrics

See merge request hectorjsmith/fail2ban-prometheus-exporter!25

docker/run.sh

@@ -3,7 +3,19 @@
 # Print version to logs for debugging purposes
 /app/fail2ban-prometheus-exporter -version
 
+db_path=/app/fail2ban.sqlite3
+socket_path=/var/run/fail2ban/fail2ban.sock
+
+# Blank out the file paths if they do not exist - a hacky way to only use these files if they were mounted into the container.
+if [ ! -f "$db_path" ]; then
+    db_path=""
+fi
+if [ ! -S "$socket_path" ]; then
+    socket_path=""
+fi
+
 # Start the exporter (use exec to support graceful shutdown)
 # Inspired by: https://akomljen.com/stopping-docker-containers-gracefully/
 exec /app/fail2ban-prometheus-exporter \
-    -db /app/fail2ban.sqlite3
+    -db "$db_path" \
+    -socket "$socket_path"