fix: Healtcheck use netstat for port as fallback

docker/healthcheck.sh

@@ -1,13 +1,9 @@
 #!/bin/sh
 
-# If the port is not specified as env var, take it from the config file
+# If the config file does not contain a default port and the CONDUIT_PORT env is not set, create
+# try to get port from process list
 if [ -z "${CONDUIT_PORT}" ]; then
-  CONDUIT_PORT=$(grep -m1 -o 'port\s=\s[0-9]*' conduit.toml | grep -m1 -o '[0-9]*')
-fi
-
-# If the config file also does not contain a default port, just use the default one: 6167.
-if [ -z "${CONDUIT_PORT}" ]; then
-  CONDUIT_PORT=6167
+  CONDUIT_PORT=$(netstat -tlp | grep conduit | grep -m1 -o ':[0-9]*' | grep -m1 -o '[0-9]*')
 fi
 
 # The actual health check.