diff --git a/.env b/.env.example
similarity index 100%
rename from .env
rename to .env.example
diff --git a/.gitignore b/.gitignore
index a307e94f..74de06a2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,7 @@ node_modules
 .DS_Store
 dist
 *.local
+.env
 
 # Editor directories and files
 .vscode/*
diff --git a/Dockerfile b/Dockerfile
index 399739b1..cf36fe8b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,10 +15,13 @@ FROM base AS builder
 RUN npm install -g pnpm
 WORKDIR /app
 
-COPY package*json tsconfig.json pnpm-lock.yaml .env ./
+COPY package*json tsconfig.json pnpm-lock.yaml .env.example ./
 COPY src ./src
 COPY public ./public
 
+# add .env.example to .env
+RUN [ ! -e ".env" ] && cp .env.example .env || true
+
 RUN pnpm install
 RUN pnpm build
 RUN pnpm prune --production
diff --git a/README.md b/README.md
index b8d910fb..edc94f51 100644
--- a/README.md
+++ b/README.md
@@ -143,6 +143,8 @@ cd DailyHotApi
 npm install
 ```
 
+复制 `/.env.example` 文件并重命名为 `/.env` 并修改配置
+
 #### 开发
 
 ```bash