chore: fix redis host binding

docker/docker-entrypoint.sh

@@ -57,11 +57,11 @@ if [ -z "$REDIS_PORT" ]; then
 fi
 
 if [ -z "$REDIS_HOST" ]; then
-  export REDIS_URL="redis://cache"
-else
-  export REDIS_URL="redis://$REDIS_HOST"
+  export REDIS_HOST="cache"
 fi
 
+export REDIS_URL="redis://$REDIS_HOST"
+
 ##########
 # SHARED #
 ##########

docker/is-available.sh

@@ -26,3 +26,5 @@ tail $LOGS_PATH/*.err
 
 echo "# Logs:"
 tail $LOGS_PATH/*.log
+
+exit 1