fix: address already in use (#845)

* fix: address already in use

* fix: always sleep

DOCKER/docker-entrypoint.sh

@@ -1,5 +1,30 @@
 #!/bin/bash
-set -e
+
+
+# TODO: Workaround for busy port problem happening with docker restart policy
+#  we are trying to start a new container but previous process still not release
+#  the port.
+
+#  As a workaround we are sleeping for 10 seconds after the tenderdash process
+#  exits with non-zero exit code.
+#
+#  Must be fix with graceful shutdown of tenderdash process.
+
+got_signal=false
+
+# Function to handle signals and forward them to the tenderdash process
+# shellcheck disable=SC2317
+_forward_signal() {
+  echo "Caught signal! Forwarding to tenderdash process."
+  got_signal=true
+  kill -s "$1" "$child"
+}
+
+# Trap signals and forward them to the tenderdash process
+trap '_forward_signal TERM' SIGTERM
+trap '_forward_signal INT' SIGINT
+trap '_forward_signal HUP' SIGHUP
+trap '_forward_signal QUIT' SIGQUIT
 
 if [ ! -d "$TMHOME/config" ]; then
 	echo "Running tenderdash init to create a single node (default) configuration for docker run."
@@ -26,4 +51,15 @@ if [ ! -d "$TMHOME/config" ]; then
 	mv "$TMHOME/config/genesis.json.new" "$TMHOME/config/genesis.json"
 fi
 
-exec tenderdash "$@"
+# Start tenderdash in the background
+tenderdash "$@" &
+child=$!
+wait "$child"
+exit_code=$?
+
+if [ $got_signal == false ] && [ $exit_code -ne 0 ] && [ "$1" == "start" ]; then
+  echo "Sleeping for 10 seconds as workaround for the busy port problem. See entrypoint code for details."
+  sleep 10
+fi
+
+exit $exit_code