diff --git a/Dockerfile b/Dockerfile.build
similarity index 100%
rename from Dockerfile
rename to Dockerfile.build
diff --git a/Dockerfile.dev b/Dockerfile.dev
new file mode 100644
index 0000000..00c5108
--- /dev/null
+++ b/Dockerfile.dev
@@ -0,0 +1,21 @@
+FROM --platform=amd64 debian:11.6-slim@sha256:f7d141c1ec6af549958a7a2543365a7829c2cdc4476308ec2e182f8a7c59b519
+
+LABEL description="Development environment for bemanitools"
+
+# mingw-w64-gcc has 32-bit and 64-bit toolchains
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    mingw-w64 \
+    mingw-w64-common \
+    make \
+    zip \
+    git \
+    clang-format \
+    python3-pip \
+ && rm -rf /var/lib/apt/lists/*
+
+RUN pip3 install mdformat
+
+RUN mkdir /bemanitools
+WORKDIR /bemanitools
+
+ENV SHELL /bin/bash
\ No newline at end of file
diff --git a/GNUmakefile b/GNUmakefile
index 8328962..9aef0b1 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -13,8 +13,10 @@ BUILDDIR        ?= build
 
 builddir_docker 	  := $(BUILDDIR)/docker
 
-docker_container_name := "bemanitools-build"
-docker_image_name     := "bemanitools-build:latest"
+docker_build_container_name := "bemanitools-build"
+docker_build_image_name     := "bemanitools-build:latest"
+docker_dev_container_name := "bemanitools-dev"
+docker_dev_image_name     := "bemanitools-dev:latest"
 
 depdir                := $(BUILDDIR)/dep
 objdir                := $(BUILDDIR)/obj
@@ -41,6 +43,7 @@ FORCE:
 
 .PHONY: \
 build-docker \
+dev-docker \
 clean \
 code-format \
 doc-format \
@@ -89,21 +92,38 @@ version:
 	$(V)echo "$(gitrev)" > version
 
 build-docker:
-	$(V)docker rm -f $(docker_container_name) 2> /dev/null || true
+	$(V)docker rm -f $(docker_build_container_name) 2> /dev/null || true
 	$(V)docker \
 		build \
-		-t $(docker_image_name) \
-		-f Dockerfile \
+		-t $(docker_build_image_name) \
+		-f Dockerfile.build \
 		.
 	$(V)docker \
 		run \
 		--volume $(shell pwd):/bemanitools \
-		--name $(docker_container_name) \
-		$(docker_image_name)
+		--name $(docker_build_container_name) \
+		$(docker_build_image_name)
+
+dev-docker:
+	$(V)docker rm -f $(docker_dev_container_name) 2> /dev/null || true
+	$(V)docker \
+		build \
+		-t $(docker_dev_image_name) \
+		-f Dockerfile.dev \
+		.
+	$(V)docker \
+		run \
+		--interactive \
+		--tty \
+		--volume $(shell pwd):/bemanitools \
+		--name $(docker_dev_container_name) \
+		$(docker_dev_image_name)
 
 clean-docker:
-	$(V)docker rm -f $(docker_container_name) || true
-	$(V)docker image rm -f $(docker_image_name) || true
+	$(V)docker rm -f $(docker_dev_container_name) || true
+	$(V)docker image rm -f $(docker_dev_image_name) || true
+	$(V)docker rm -f $(docker_build_container_name) || true
+	$(V)docker image rm -f $(docker_build_image_name) || true
 	$(V)rm -rf $(BUILDDIR)
 
 #