diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..a4af5af
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,14 @@
+name: CI
+on:
+  pull_request:
+  push:
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+      - uses: golangci/golangci-lint-action@v3
+      - run: make
diff --git a/.golangci.yml b/.golangci.yml
new file mode 100644
index 0000000..2db811c
--- /dev/null
+++ b/.golangci.yml
@@ -0,0 +1,5 @@
+run:
+  timeout: 5m
+linters:
+  enable:
+    - misspell
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..a437673
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,14 @@
+.PHONY: all
+all: vet build
+
+.PHONY: build
+build:
+	go build ./cmd/ddusage
+
+.PHONY: vet
+vet:
+	go vet ./...
+
+.PHONY: lint
+lint:
+	golangci-lint run