dockerfile

client/Dockerfile

@@ -1,5 +1,8 @@
+# syntax=docker/dockerfile:1.6
+ARG NODE_VERSION=20
+
 # Build
-FROM node:20-slim AS build
+FROM --platform=$BUILDPLATFORM node:${NODE_VERSION}-slim AS build
 ENV NODE_OPTIONS="--max-old-space-size=4096"
 WORKDIR /app
 COPY package*.json ./
@@ -8,7 +11,8 @@ COPY . .
 RUN npm run build
 
 # Run stage
-FROM nginx:1.27.1-alpine
+ARG TARGETPLATFORM
+FROM --platform=$TARGETPLATFORM nginx:1.27.1-alpine
 
 # Environment variables
 COPY --from=build /app/env.sh /docker-entrypoint.d/env.sh

server/Dockerfile

@@ -5,4 +5,31 @@ RUN npm ci
 COPY . .
 RUN npm run build
 EXPOSE 52345
-CMD ["node", "dist/index.js"]
+CMD ["node", "dist/index.js"]
+# syntax=docker/dockerfile:1.6
+
+ARG NODE_VERSION=20
+
+## Build stage (with dev deps, native to build platform)
+FROM --platform=$BUILDPLATFORM node:${NODE_VERSION}-alpine AS build
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci
+COPY . .
+RUN npm run build
+
+## Production deps (native to target platform)
+FROM --platform=$TARGETPLATFORM node:${NODE_VERSION}-alpine AS deps
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci --omit=dev
+
+## Runtime image
+FROM --platform=$TARGETPLATFORM node:${NODE_VERSION}-alpine
+ENV NODE_ENV=production
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY package*.json ./
+COPY --from=build /app/dist ./dist
+EXPOSE 52345
+CMD ["node", "dist/index.js"]