diff --git a/Makefile b/Makefile
index b9c837f..ceca938 100644
--- a/Makefile
+++ b/Makefile
@@ -37,7 +37,7 @@ run: format
 
 .PHONY: run-server
 run-server: format
-	server run $(ENTRY_POINT)
+	BASE_PATH="./tmp" server run $(ENTRY_POINT)
 
 .PHONY: spec
 spec: format
diff --git a/src/dayoff.cr b/src/dayoff.cr
index 3b77596..29a80dd 100644
--- a/src/dayoff.cr
+++ b/src/dayoff.cr
@@ -2,7 +2,9 @@ require "kemal"
 require "./dayoff/**"
 require "./handlers"
 
-base_path = "./tmp"
+base_path = ENV["BASE_PATH"]
+
+puts "Set storage base path: " + base_path
 
 app = Dayoff::App.new base_path
 
diff --git a/tools/server b/tools/server
index d26e8e8..cb3c02a 100755
--- a/tools/server
+++ b/tools/server
@@ -14,4 +14,5 @@ docker run -i $TTY \
 	-v "$PWD:/app" \
 	-p "3000:3000" \
 	-w "/app" \
+	-e "BASE_PATH=$BASE_PATH" \
 	dayoff-crystal crystal "$@"