diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..1190fe1
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,14 @@
+# https://editorconfig.org
+root = true
+
+[*]
+indent_style = tab
+tab_width = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.yml]
+indent_style = space
+indent_size = 2
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..3a5fea2
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,27 @@
+name: Lint
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  golangci-lint:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: 'go.mod'
+      - run: echo "GOLANGCI_LINT_VERSION=$(cat .golangci.version)" >> $GITHUB_ENV
+      - uses: golangci/golangci-lint-action@v6
+        with:
+          version: ${{ env.GOLANGCI_LINT_VERSION }}
+  shellcheck:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - run: scripts/shellcheck.sh
diff --git a/.golangci.version b/.golangci.version
new file mode 100644
index 0000000..be33d89
--- /dev/null
+++ b/.golangci.version
@@ -0,0 +1 @@
+v1.59.1
diff --git a/.golangci.yml b/.golangci.yml
new file mode 100644
index 0000000..c474367
--- /dev/null
+++ b/.golangci.yml
@@ -0,0 +1,99 @@
+linters:
+  enable:
+    - copyloopvar
+    - intrange
+    - asasalint
+    - asciicheck
+    - bidichk
+    - bodyclose
+    - containedctx
+    - contextcheck
+    - cyclop
+    - decorder
+    - dogsled
+    - dupl
+    - dupword
+    - durationcheck
+    - errcheck
+    - errchkjson
+    - errname
+    - errorlint
+    - exhaustive
+    - exportloopref
+    - forcetypeassert
+    - funlen
+    - gci
+    - ginkgolinter
+    - gocheckcompilerdirectives
+    - gochecksumtype
+    - gocognit
+    - goconst
+    - gocritic
+    - gocyclo
+    - goheader
+    - gomodguard
+    - goprintffuncname
+    - gosec
+    - gosimple
+    - gosmopolitan
+    - govet
+    - grouper
+    - importas
+    - inamedparam
+    - ineffassign
+    - interfacebloat
+    - ireturn
+    - lll
+    - loggercheck
+    - maintidx
+    - makezero
+    - mirror
+    - musttag
+    - nakedret
+    - nestif
+    - nilerr
+    - nilnil
+    - nlreturn
+    - noctx
+    - nolintlint
+    - nonamedreturns
+    - nosprintfhostport
+    - paralleltest
+    - perfsprint
+    - prealloc
+    - predeclared
+    - promlinter
+    - reassign
+    - revive
+    - rowserrcheck
+    - sloglint
+    - spancheck
+    - sqlclosecheck
+    - staticcheck
+    - stylecheck
+    - tagliatelle
+    - tenv
+    - testableexamples
+    - testifylint
+    - thelper
+    - tparallel
+    - typecheck
+    - unconvert
+    - unparam
+    - unused
+    - usestdlibvars
+    - varnamelen
+    - wastedassign
+    - wrapcheck
+    - wsl
+    - zerologlint
+    # https://peter.bourgon.org/blog/2017/06/09/theory-of-modern-go.html
+    - gochecknoglobals
+    - gochecknoinits
+    # use make lint-fix
+    - gofmt
+    - gofumpt
+    - goimports
+    - misspell
+    - protogetter
+    - whitespace
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..a128d98
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,32 @@
+SHELL := bash
+.ONESHELL:
+.SHELLFLAGS := -eu -o pipefail -c
+MAKEFLAGS += --warn-undefined-variables
+
+GOLANGCI_LINT_VERSION=$(shell cat .golangci.version)
+GOLANGCI_LINT_INSTALL_DIR=$(shell go env GOPATH)/bin
+
+.PHONY: install-pre-commit-hook
+install-pre-commit-hook:
+	rm -f .git/hooks/pre-commit
+	cp scripts/pre-commit.sh .git/hooks/pre-commit
+	chmod +x .git/hooks/pre-commit
+
+.PHONY: install-lint
+install-lint:
+	VERSION=$(GOLANGCI_LINT_VERSION) INSTALL_DIR=$(GOLANGCI_LINT_INSTALL_DIR) scripts/install-lint.sh
+
+.PHONY: lint
+lint:
+	$(GOLANGCI_LINT_INSTALL_DIR)/golangci-lint run
+
+.PHONY: lint-fix
+lint-fix:
+	$(GOLANGCI_LINT_INSTALL_DIR)/golangci-lint run --fix
+
+.PHONY: shellcheck
+shellcheck:
+	scripts/shellcheck.sh
+
+.PHONY: ci
+ci: lint shellcheck
diff --git a/cmd/main.go b/cmd/main.go
new file mode 100644
index 0000000..70a7fe5
--- /dev/null
+++ b/cmd/main.go
@@ -0,0 +1,7 @@
+package main
+
+import "fmt"
+
+func main() {
+	fmt.Println("Hello world!")
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..0d32ad0
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module github.com/anttiharju/golangci-lint-updater
+
+go 1.22.5
diff --git a/scripts/install-lint.sh b/scripts/install-lint.sh
new file mode 100755
index 0000000..f3b7dd7
--- /dev/null
+++ b/scripts/install-lint.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+mkdir -p "$INSTALL_DIR"
+cd "$INSTALL_DIR" || exit
+curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b . "$VERSION"
diff --git a/scripts/pre-commit.sh b/scripts/pre-commit.sh
new file mode 100755
index 0000000..41158e7
--- /dev/null
+++ b/scripts/pre-commit.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+#
+# To not be surprised by CI failures.
+
+make ci
diff --git a/scripts/shellcheck.sh b/scripts/shellcheck.sh
new file mode 100755
index 0000000..01b9d02
--- /dev/null
+++ b/scripts/shellcheck.sh
@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+find . -iname "*.sh" -exec shellcheck {} +