diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
new file mode 100644
index 0000000..90450eb
--- /dev/null
+++ b/.github/workflows/linux.yml
@@ -0,0 +1,69 @@
+name: linux
+
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-18.04
+    strategy:
+      matrix:
+        include:
+        - lisp: sbcl-bin/2.0.0
+          target: x86-64
+          image: musl64
+          makeopts: musl
+    environment: SET_VERSION
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: setenv
+        run: |
+          echo "$HOME/.roswell/bin" >> $GITHUB_PATH
+          echo "ROSWELL_BRANCH=release" >> $GITHUB_ENV
+      - name: checkenv
+        run: |
+          uname -s
+          uname -m
+      - name: Install Roswell
+        env:
+          LISP: ${{ matrix.lisp }}
+          GITHUB_OAUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          IMAGE: ${{ matrix.image }}
+        run: |
+          sh scripts/install-for-ci.sh
+          ros install snmsts/sn.github
+          if [ -n "$IMAGE" ]; then
+             docker login docker.pkg.github.com -u snmsts -p $GITHUB_OAUTH_TOKEN;
+             make -f scripts/Makefile pull-docker || make -f scripts/Makefile build-docker push-docker
+          fi
+      - name: build
+        env:
+          VERSION: ${{ secrets.VERSION }}
+          ARCH: ${{ matrix.target }}
+          DOCKER: ${{ matrix.docker }}
+          SUFFIX: ${{ matrix.suffix }}
+          LINKFLAGS: ${{ matrix.linkflags }}
+          IMAGE: ${{ matrix.image }}
+          MAKEOPTS: ${{ matrix.makeopts }}
+        run: |
+          if [ "$VERSION" = "" ]; then
+            make -f scripts/Makefile latest-version docker
+          else
+            make -f scripts/Makefile docker
+          fi
+      - name: upload
+        env:
+          GITHUB_OAUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          VERSION: ${{ secrets.VERSION }}
+          ARCH: ${{ matrix.target }}
+          SUFFIX: ${{ matrix.suffix }}
+          MAKEOPTS: ${{ matrix.makeopts }}
+        run: |
+          if [ "$VERSION" = "" ]; then
+            make -f scripts/Makefile latest-version $(MAKEOPTS)-upload
+          else
+            make -f scripts/Makefile $(MAKEOPTS)-upload
+          fi
diff --git a/.gitignore b/.gitignore
index 6e37c4c..04146c1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,12 +3,15 @@
 *.AppImage
 *.fasl
 .deps
+.env
 src/ros
 src/ros.exe
 src/html_sbcl
 src/html_sbcl.exe
 src/gend.h
-Makefile
+/Makefile
+/src/Makefile
+/documents/Makefile
 Makefile.in
 configure
 config.status
diff --git a/scripts/Makefile b/scripts/Makefile
new file mode 100644
index 0000000..d69fb4a
--- /dev/null
+++ b/scripts/Makefile
@@ -0,0 +1,51 @@
+-include .env
+export $(shell sed 's/=.*//' .env)
+
+all:
+	echo all
+
+latest-version:
+	$(eval VERSION := $(shell grep AC_INIT configure.ac|sed 's/.*\[\(.*\)\].*/\1/'))
+#'
+checkout:
+	if [ ! "v$(VERSION)" = "v" ];then \
+		git checkout v$(VERSION); \
+	fi
+
+show:
+	@echo VERSION=$(VERSION) VARIANT=$(VARIANT)
+
+build-docker:
+	docker build -t docker.pkg.github.com/roswell/roswell/$$(cat ./scripts/Docker/$(IMAGE)/Name) ./scripts/Docker/$(IMAGE)
+push-docker:
+	docker push docker.pkg.github.com/roswell/roswell/$$(cat ./scripts/Docker/$(IMAGE)/Name);
+pull-docker:
+	docker pull docker.pkg.github.com/roswell/roswell/$$(cat ./scripts/Docker/$(IMAGE)/Name);
+docker:
+	docker run \
+		-v `pwd`:/tmp \
+		-e ARCH=$(ARCH) \
+		-e VERSION=$(VERSION) \
+		-e CFLAGS=$(CFLAGS) \
+		-e LINKFLAGS=$(LINKFLAGS) \
+		-e VARIANT=$(VARIANT) \
+		docker.pkg.github.com/roswell/roswell/$$(cat ./scripts/Docker/$(IMAGE)/Name) \
+		bash \
+		-c "cd /tmp;make -f scripts/Makefile $(MAKEOPTS)"
+upload:
+	echo upload!!! $(FILE)
+	ros install roswell/sbcl_bin
+	ros -s roswell.github.utils -e "(roswell.github.utils:github \"$(FILE)\" \"v$(VERSION)\" \"roswell\" \"roswell\")"
+
+musl:
+	./bootstrap
+	./configure --enable-maintainer-mode --with-sbcl-bin-variant=$(VARIANT) \
+	LDFLAGS="--static -static-libgcc -static-libstdc++ -static" \
+	LIBS="-lcurl -lbrotlidec-static -lbrotlicommon-static -lnghttp2 -lssl -lcrypto -lz"
+	make
+	make pack
+
+musl-upload:
+	env FILE=`echo roswell-*.tar.bz2` $(MAKE) -f $(realpath $(firstword $(MAKEFILE_LIST))) upload
+
+.PHONY: all latest-version checkout show build-docker pull-docker docker upload musl