diff --git a/.gitignore b/.gitignore
index ec2d8ee..039bee1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,9 @@
 .DS_Store
+.cursor/
+.vscode/
 AGENTS.md
 docs/
 theme-export/
 *.zip
+local-ghost/
+.docker/
diff --git a/README.md b/README.md
index 306cfd7..fc7774c 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,15 @@ This repository contains a Ghost theme scaffold inspired by the `Thred` referenc
 2. Upload the zip in Ghost Admin under `Settings -> Design -> Change theme`.
 3. Configure navigation, tags, authors, site icon, and custom footer links in Ghost Admin.
 
+## Local development
+
+1. Run `npm run dev:ghost:start`
+2. Open `http://localhost:2368/ghost` and complete the local Ghost setup
+3. Activate the `ghost-theme-thred-clone` theme in `Settings -> Design`
+4. After theme changes, run `npm run dev:ghost:restart`
+
+The local Docker setup syncs only theme-related files into `.docker/theme/ghost-theme-thred-clone`, so work files such as `docs/` or `local-ghost/` do not slow down Ghost startup.
+
 ## Important note
 
 The layout closely follows the provided reference, but Ghost content, membership, comments, and recommendation data depend on the site configuration and content model inside your Ghost installation.
diff --git a/assets/icons/arrow_outward.svg b/assets/icons/arrow_outward.svg
new file mode 100644
index 0000000..6cd0d2d
--- /dev/null
+++ b/assets/icons/arrow_outward.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 -960 960 960" width="24px" fill="ffffff"><path d="m256-240-56-56 384-384H240v-80h480v480h-80v-344L256-240Z"/></svg>
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..ea7228e
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,13 @@
+services:
+  ghost:
+    image: ghost:6-alpine
+    container_name: ghost-theme-local
+    restart: unless-stopped
+    ports:
+      - "2368:2368"
+    environment:
+      url: http://localhost:2368
+      NODE_ENV: development
+    volumes:
+      - ./.docker/ghost/content:/var/lib/ghost/content
+      - ./.docker/theme/ghost-theme-thred-clone:/var/lib/ghost/content/themes/ghost-theme-thred-clone
diff --git a/package.json b/package.json
index 6a2febd..f7b9183 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,11 @@
 {
   "name": "ghost-theme-thred-clone",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "private": true,
   "description": "A Ghost theme inspired by the Thred reference layout.",
   "author": {
-    "name": "OpenAI Codex",
-    "email": "support@openai.com"
+    "name": "zenn",
+    "email": "zenn.message@gmail.com"
   },
   "engines": {
     "ghost-api": "v5"
@@ -68,6 +68,10 @@
     }
   },
   "scripts": {
+    "dev:sync": "sh ./scripts/sync-theme.sh",
+    "dev:ghost:start": "npm run dev:sync && docker compose up -d",
+    "dev:ghost:restart": "npm run dev:sync && docker compose restart ghost",
+    "dev:ghost:stop": "docker compose down",
     "zip": "zip -r theme.zip . -x '*.git*' -x 'node_modules/*' -x 'theme.zip'"
   }
 }
diff --git a/scripts/sync-theme.sh b/scripts/sync-theme.sh
new file mode 100755
index 0000000..beb0b32
--- /dev/null
+++ b/scripts/sync-theme.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+set -eu
+
+ROOT_DIR="$(CDPATH= cd -- "$(dirname "$0")/.." && pwd)"
+TARGET_DIR="$ROOT_DIR/.docker/theme/ghost-theme-thred-clone"
+
+mkdir -p "$TARGET_DIR"
+
+rsync -a --delete \
+  --exclude='.git/' \
+  --exclude='.cursor/' \
+  --exclude='.vscode/' \
+  --exclude='.docker/' \
+  --exclude='docs/' \
+  --exclude='local-ghost/' \
+  --exclude='theme-export/' \
+  --exclude='scripts/' \
+  --exclude='*.zip' \
+  --exclude='AGENTS.md' \
+  --exclude='.DS_Store' \
+  --exclude='.gitignore' \
+  "$ROOT_DIR/" "$TARGET_DIR/"
+
+printf 'Synced theme files to %s\n' "$TARGET_DIR"