initial design fix

Dockerfile

@@ -0,0 +1,53 @@
+# ── Stage 1: Build client ───────────────────────────────────────────────────
+FROM node:20-alpine AS client-builder
+WORKDIR /build
+
+COPY package.json ./
+COPY client/package.json ./client/
+COPY server/package.json ./server/
+
+RUN npm install --workspace=client
+
+COPY client/ ./client/
+RUN npm run build --workspace=client
+
+# ── Stage 2: Build server ───────────────────────────────────────────────────
+FROM node:20-alpine AS server-builder
+WORKDIR /build
+
+COPY package.json ./
+COPY server/package.json ./server/
+
+RUN npm install --workspace=server
+
+COPY server/ ./server/
+RUN npm run build --workspace=server
+
+# ── Stage 3: Runtime ────────────────────────────────────────────────────────
+FROM node:20-alpine AS runtime
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV PORT=3000
+ENV DATA_DIR=/data
+ENV MAX_UPLOAD_MB=50
+ENV ADMIN_USERNAME=admin
+ENV ADMIN_PASSWORD=codedump2024
+ENV JWT_SECRET=changeme-use-a-long-random-string
+
+# Install production deps only
+COPY package.json ./
+COPY server/package.json ./server/
+RUN npm install --workspace=server --omit=dev
+
+# Copy built artifacts
+COPY --from=server-builder /build/server/dist ./server/dist
+COPY --from=client-builder /build/client/dist ./client/dist
+
+VOLUME ["/data"]
+EXPOSE 3000
+
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s \
+  CMD wget -qO- http://localhost:3000/api/settings || exit 1
+
+CMD ["node", "server/dist/index.js"]