Update Dockerfile

Dockerfile

@@ -14,11 +14,16 @@ ARG BUILD_HASH
 WORKDIR /app
 RUN apk add --no-cache git
 COPY package.json package-lock.json ./
-RUN npm ci --force
+RUN npm ci --force --prefer-offline
+
 COPY . .
 ENV APP_BUILD_HASH=${BUILD_HASH}
-ENV NODE_OPTIONS="--max-old-space-size=4096"
-RUN npm run build
+
+# Optimasi RAM: Limit memori, matikan source map, dan batasi worker agar tidak OOM
+ENV NODE_OPTIONS="--max-old-space-size=1536"
+ENV GENERATE_SOURCEMAP=false
+
+RUN npm run build -- --max-workers=1
 
 ######## WebUI backend ########
 FROM python:3.11-slim-bookworm AS base