Clean image

Dockerfile

@@ -1,6 +1,6 @@
-FROM node:20-slim
+FROM node:20-alpine AS builder
 
-RUN apt-get update && apt-get install -y tzdata && rm -rf /var/lib/apt/lists/*
+RUN apk add --no-cache tzdata
 
 ENV TZ=Asia/Bangkok
 
@@ -8,13 +8,21 @@ WORKDIR /app
 
 COPY package*.json ./
 
-RUN npm install
+RUN npm ci --omit=dev
 
 COPY . .
 
+FROM gcr.io/distroless/nodejs20
+
+ENV TZ=Asia/Bangkok
+ENV NODE_ENV=production
 ENV DEBUG=server:*
 ENV PORT=36531
 
+WORKDIR /app
+
+COPY --from=builder /app /app
+
 EXPOSE 36531
 
-CMD [ "npm","start" ]
+CMD ["./bin/www"]