diff --git a/.github/workflows/commitlint.yml b/.github/workflows/commitlint.yml
new file mode 100644
index 0000000..881f664
--- /dev/null
+++ b/.github/workflows/commitlint.yml
@@ -0,0 +1,14 @@
+name: Lint Commit Messages
+on: [pull_request]
+
+jobs:
+  commit_lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Run linter
+        uses: wagoid/commitlint-github-action@v6
\ No newline at end of file
diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
new file mode 100644
index 0000000..7d2370b
--- /dev/null
+++ b/.github/workflows/golangci-lint.yml
@@ -0,0 +1,28 @@
+name: golangci-lint
+
+on:
+  push:
+    tags:
+      - v*
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  golangci_lint:
+    name: Golang-CI (lint)
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5 # action page: <https://github.com/actions/setup-go>
+        with:
+          go-version: '1.23'
+
+      - name: Run linter
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: v1.60
+          args: -v --build-tags=race --timeout=5m
\ No newline at end of file
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..6140408
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,16 @@
+name: Releases
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Create Release
+        uses: ncipollo/release-action@v1
\ No newline at end of file
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..cb113c8
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,21 @@
+ALL_GO_MOD_DIRS := $(shell find . -type f -name 'go.mod' -exec dirname {} \; | sort)
+
+test:
+	set -e; for dir in $(ALL_GO_MOD_DIRS); do \
+	  echo "go test in $${dir}"; \
+	  (cd "$${dir}" && \
+	    go test && \
+	    go vet); \
+	done
+
+go_mod_tidy:
+	set -e; for dir in $(ALL_GO_MOD_DIRS); do \
+	  echo "go mod tidy in $${dir}"; \
+	  (cd "$${dir}" && \
+	    go get -u ./... && \
+	    go mod tidy); \
+	done
+
+fmt:
+	gofmt -w -s ./
+	goimports -w  -local github.com/gowool/theme ./
\ No newline at end of file
diff --git a/scripts/release.sh b/scripts/release.sh
new file mode 100755
index 0000000..ca77dee
--- /dev/null
+++ b/scripts/release.sh
@@ -0,0 +1,57 @@
+#!/bin/bash
+
+set -e
+
+help() {
+    cat <<- EOF
+Usage: TAG=tag $0
+
+Updates version in go.mod files and pushes a new branch to GitHub.
+
+VARIABLES:
+  TAG        git tag, for example, v1.0.0
+EOF
+    exit 0
+}
+
+if [ -z "$TAG" ]
+then
+    printf "TAG is required\n\n"
+    help
+fi
+
+TAG_REGEX="^v(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)(\\-[0-9A-Za-z-]+(\\.[0-9A-Za-z-]+)*)?(\\+[0-9A-Za-z-]+(\\.[0-9A-Za-z-]+)*)?$"
+if ! [[ "${TAG}" =~ ${TAG_REGEX} ]]; then
+    printf "TAG is not valid: %s\n\n" "${TAG}"
+    exit 1
+fi
+
+TAG_FOUND=$(git tag --list "${TAG}")
+if [[ ${TAG_FOUND} = ${TAG} ]] ; then
+    printf "tag %s already exists\n\n" "${TAG}"
+    exit 1
+fi
+
+if ! git diff --quiet
+then
+    printf "working tree is not clean\n\n"
+    git status
+    exit 1
+fi
+
+git checkout main
+make go_mod_tidy
+
+PACKAGE_DIRS=$(find . -mindepth 2 -type f -name 'go.mod' -exec dirname {} \; \
+  | sed 's/^\.\///' \
+  | sort)
+
+for dir in $PACKAGE_DIRS
+do
+    sed -i '' "s@gowool/theme\([^ ]*\) v.*@gowool/theme\1 ${TAG}@" "${dir}/go.mod"
+done
+
+git checkout -b "release/${TAG}" main
+git add -u
+git commit -m "chore: release $TAG (release.sh)"
+git push origin "release/${TAG}"
\ No newline at end of file
diff --git a/scripts/tag.sh b/scripts/tag.sh
new file mode 100755
index 0000000..8ed4fe8
--- /dev/null
+++ b/scripts/tag.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+set -e
+
+help() {
+    cat <<- EOF
+Usage: TAG=tag $0
+
+Creates git tags for public Go packages.
+
+VARIABLES:
+  TAG        git tag, for example, v1.0.0
+EOF
+    exit 0
+}
+
+if [ -z "$TAG" ]
+then
+    printf "TAG env var is required\n\n";
+    help
+fi
+
+PACKAGE_DIRS=$(find . -mindepth 2 -type f -name 'go.mod' -exec dirname {} \; \
+  | sed 's/^\.\///' \
+  | sort)
+
+git tag "${TAG}"
+git push origin "${TAG}"
+
+for dir in $PACKAGE_DIRS
+do
+    printf "tagging %s/%s\n" "${dir}" "${TAG}"
+    git tag "${dir}/${TAG}"
+    git push origin "${dir}/${TAG}"
+done
\ No newline at end of file