chore: Node.js v16 を使用するように

v18 で期待通り動かないパッケージがあるため

.github/workflows/frontend.yaml

@@ -14,7 +14,7 @@ jobs:
           ref: ${{ github.head_ref }}
       - uses: actions/setup-node@v3
         with:
-          node-version: "18"
+          node-version: "16"
           cache: "yarn"
           cache-dependency-path: "frontend/yarn.lock"
       - run: corepack yarn install --immutable

frontend/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:18.12.0-slim as build
+FROM node:16.18.0-slim as build
 WORKDIR /app
 COPY . ./
 ADD https://raw.githubusercontent.com/npocccties/chiloportal/develop/backend/doc/openapi.yaml /backend/doc/openapi.yaml
@@ -11,7 +11,7 @@ ENV NEXT_PUBLIC_API_BASE_URL=${NEXT_PUBLIC_API_BASE_URL}
 ENV NEXT_PUBLIC_MOODLE_DASHBOARD_URL=${NEXT_PUBLIC_MOODLE_DASHBOARD_URL}
 RUN yarn build
 
-FROM node:18.12.0-slim as install
+FROM node:16.18.0-slim as install
 WORKDIR /app
 COPY . ./
 RUN corepack yarn workspaces focus --all --production

frontend/README.md

@@ -3,7 +3,7 @@
 ## 動作環境
 
 - OS: Unix 系（Windows では [WSL](https://docs.microsoft.com/ja-jp/windows/wsl/install) 等をお使いください）
-- Node.js: [Active LTS](https://nodejs.org/en/about/releases/)
+- Node.js: ~~[Active LTS](https://nodejs.org/en/about/releases/)~~ v16.18.0
 
 ## 開発
 

frontend/package.json

@@ -51,7 +51,7 @@
     "typescript": "^4.8.4"
   },
   "engines": {
-    "node": "^18.12.0"
+    "node": "^16.18.0"
   },
   "homepage": "https://github.com/npocccties/chiloportal#readme",
   "keywords": [