diff --git a/Dockerfile b/Dockerfile
index e07b5c6..be95449 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:20-alpine
+FROM node:20-alpine AS builder
 
 WORKDIR /usr/src/app
 
@@ -14,6 +14,18 @@ RUN npm ci --prefix server
 COPY . .
 
 ARG VERSION
+ENV NEXT_PUBLIC_COGNITO_POOL_ENDPOINT=http://localhost:5000
+ENV NEXT_PUBLIC_COGNITO_POOL_ID=ap-northeast-1_randomPoolId
+ENV NEXT_PUBLIC_COGNITO_CLIENT_ID=random-client-id
+ENV DATABASE_URL=file:../../data/app.db
+
+RUN npm run batch:writeVersion -- $VERSION
+RUN npm run build
+
+FROM node:20-alpine
+
+WORKDIR /usr/src/app
+
 ENV NEXT_PUBLIC_COGNITO_POOL_ENDPOINT=http://localhost:5000
 ENV NEXT_PUBLIC_COGNITO_POOL_ID=ap-northeast-1_randomPoolId
 ENV NEXT_PUBLIC_COGNITO_CLIENT_ID=random-client-id
@@ -26,9 +38,20 @@ ENV SMTP_PORT=2500
 ENV SMTP_USER=fake_mail_user
 ENV SMTP_PASS=fake_mail_password
 
-RUN npm run batch:writeVersion -- $VERSION
-RUN npm run build
+COPY --from=builder /usr/src/app/client/.next ./client/.next
+COPY client/package.json client/package-lock.json ./client/
+RUN npm ci --omit=dev --prefix client
+
+COPY server/package.json server/package-lock.json ./server/
+RUN npm ci --omit=dev --prefix server
+
+COPY --from=builder /usr/src/app/server/index.js ./server/index.js
+COPY --from=builder /usr/src/app/server/node_modules/.prisma ./server/node_modules/.prisma
+COPY --from=builder /usr/src/app/server/prisma ./server/prisma
+COPY package.json .
+RUN npm install -g npm-run-all
 RUN apk --no-cache add curl
+COPY --from=builder /usr/src/app/data ./data
 
 HEALTHCHECK --interval=5s --timeout=5s --retries=3 CMD curl -f $API_ORIGIN/health && curl -f $CORS_ORIGIN || exit 1
 
diff --git a/client/package-lock.json b/client/package-lock.json
index c52988d..8d6643d 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -15,7 +15,8 @@
         "jotai": "^2.8.0",
         "next": "^14.2.3",
         "react": "^18.3.1",
-        "react-dom": "^18.3.1"
+        "react-dom": "^18.3.1",
+        "zod": "^3.23.8"
       },
       "devDependencies": {
         "@types/react": "^18.3.1",
@@ -23,8 +24,7 @@
         "dotenv": "^16.4.5",
         "happy-css-modules": "^2.1.2",
         "notios": "^0.4.1",
-        "pathpida": "^0.22.0",
-        "zod": "^3.23.6"
+        "pathpida": "^0.22.0"
       },
       "engines": {
         "node": ">=20.0.0"
@@ -7717,10 +7717,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.23.6",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.23.6.tgz",
-      "integrity": "sha512-RTHJlZhsRbuA8Hmp/iNL7jnfc4nZishjsanDAfEY1QpDQZCahUp3xDzl+zfweE9BklxMUcgBgS1b7Lvie/ZVwA==",
-      "dev": true,
+      "version": "3.23.8",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-3.23.8.tgz",
+      "integrity": "sha512-XBx9AXhXktjUqnepgTiE5flcKIYWi/rme0Eaj+5Y0lftuGBq+jyRu/md4WnuxqgP1ubdpNCsYEYPxrzVHD8d6g==",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }
diff --git a/client/package.json b/client/package.json
index 7d42faa..c7aadd1 100644
--- a/client/package.json
+++ b/client/package.json
@@ -31,7 +31,8 @@
     "jotai": "^2.8.0",
     "next": "^14.2.3",
     "react": "^18.3.1",
-    "react-dom": "^18.3.1"
+    "react-dom": "^18.3.1",
+    "zod": "^3.23.8"
   },
   "devDependencies": {
     "@types/react": "^18.3.1",
@@ -39,8 +40,7 @@
     "dotenv": "^16.4.5",
     "happy-css-modules": "^2.1.2",
     "notios": "^0.4.1",
-    "pathpida": "^0.22.0",
-    "zod": "^3.23.6"
+    "pathpida": "^0.22.0"
   },
   "engines": {
     "node": ">=20.0.0"
diff --git a/server/service/sendMail.ts b/server/service/sendMail.ts
index cfb6ce2..1887ad5 100644
--- a/server/service/sendMail.ts
+++ b/server/service/sendMail.ts
@@ -1,6 +1,5 @@
 import { APP_NAME } from 'api/@constants';
 import assert from 'assert';
-import { InbucketAPIClient } from 'inbucket-js-client';
 import { createTransport } from 'nodemailer';
 import type Mail from 'nodemailer/lib/mailer';
 import { ulid } from 'ulid';
@@ -30,10 +29,11 @@ export const sendMail = async (options: {
 if (import.meta.vitest) {
   const { test, expect } = import.meta.vitest;
 
-  assert(process.env.INBUCKET_URL);
-  const inbucketClient = new InbucketAPIClient(process.env.INBUCKET_URL);
-
   test('sendMail', async () => {
+    assert(process.env.INBUCKET_URL);
+
+    const { InbucketAPIClient } = await import('inbucket-js-client');
+    const inbucketClient = new InbucketAPIClient(process.env.INBUCKET_URL);
     const toAddress = `${ulid()}@example.com`;
     const text = 'aaa';