diff --git a/Makefile b/Makefile
index 56c87c5..79cb541 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,25 @@
 SHELL = /bin/bash
 .SHELLFLAGS = -o pipefail -c
 
-make:
+.DEFAULT_GOAL := help
+
+.PHONY: help
+help:
+
+.PHONY: up
+up:
+	docker compose up -d
+
+.PHONY: down
+down:
+	docker compose down
+
+.PHONY: ibulang
+ibulang:
+	docker compose exec ibulang bash
+
+.PHONY: bootstrap
+bootstrap:
 	as -o bootstrap/ibu.o bootstrap/ibu.s
 	as -o bootstrap/tokenizer.o         bootstrap/tokenizer.s
 	as -o bootstrap/parser.o            bootstrap/parser.s
@@ -13,6 +31,7 @@ make:
 	as -o lib/runtime.o                 lib/runtime.s
 	ld -o ibuc bootstrap/ibu.o bootstrap/tokenizer.o bootstrap/parser.o bootstrap/codegen.o bootstrap/preprocessor.o bootstrap/linux-syscall.o bootstrap/std.o lib/runtime.o
 
+.PHONY: self
 self:
 	./ibuc src/ibu.ibu                         | as - -o src/ibu.o
 	./ibuc src/tokenizer/tokenizer.ibu         | as - -o src/tokenizer.o
@@ -24,6 +43,7 @@ self:
 	as -o lib/runtime.o lib/runtime.s
 	ld -o ibuc src/tokenizer.o src/parser.o src/codegen.o src/preprocessor.o src/ibu.o lib/std.o lib/runtime.o lib/linux-syscall.o
 
+.PHONY: update_bootstrap
 update_bootstrap:
 	./ibuc src/ibu.ibu                         > bootstrap/ibu.s
 	./ibuc src/tokenizer/tokenizer.ibu         > bootstrap/tokenizer.s
@@ -33,6 +53,7 @@ update_bootstrap:
 	./ibuc lib/linux-syscall/linux-syscall.ibu > bootstrap/linux-syscall.s
 	./ibuc lib/std/std.ibu                     > bootstrap/std.s
 
+.PHONY: clean
 clean:
 	rm *.o *.out ibuc bootstrap/*.o src/*.o lib/*.o
 
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..e696869
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,10 @@
+services:
+  ibulang:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    volumes:
+      - .:/root/env
+    working_dir: /root/env
+    stdin_open: true  # docker run -i
+    tty: true        # docker run -t