fix Dockerfile

- npm ci を使用するように変更。
- 記法統一

Co-authored-by: InkoHX <[email protected]>

Dockerfile

@@ -3,23 +3,22 @@
 FROM node:18 AS deps
 ARG NODE_ENV=production
 WORKDIR /app
-COPY ./package*.json .
-RUN npm install
+COPY ./package*.json ./
+RUN npm ci
 
-FROM deps AS builder
+FROM node:18 AS builder
 ARG NODE_ENV=development
 WORKDIR /app
+COPY ./build.js ./
+COPY ./package*.json ./
+RUN npm ci
 COPY ./src/ ./src/
-RUN npm install
-RUN --mount=type=bind,source=build.js,target=build.js \
-    npm run build
+RUN npm run build
 
 FROM gcr.io/distroless/nodejs18-debian12:nonroot AS runner
 WORKDIR /app
 ENV NODE_ENV=production
-
-COPY --from=builder /app/dist/ ./dist/
 COPY ./package.json ./
+COPY --from=builder /app/dist/ ./dist/
 COPY --from=deps /app/node_modules/ ./node_modules/
-
 CMD ["dist/main.js"]