feat: add multistage Dockerfile for reduced image size.

Dockerfile.prod

@@ -1,18 +1,52 @@
-FROM node:20-alpine
-ARG DATABASE_URL
+FROM node:20-alpine AS base
+
+# Stage 1: Install dependencies only when needed
+FROM base AS deps
+RUN apk add --no-cache libc6-compat
 
 WORKDIR /usr/src/app
 
+COPY package.json yarn.lock* ./
+COPY apps/web/package.json ./apps/web/
+COPY packages/ ./packages/
+
+RUN yarn install --frozen-lockfile --ignore-scripts
+
+# Stage 2: Rebuild the source code only when needed
+FROM base AS builder
+WORKDIR /usr/src/app
+
+COPY --from=deps /usr/src/app/node_modules ./node_modules
+
 COPY . .
 
-RUN npm install
-RUN cd packages/db && DATABASE_URL=$DATABASE_URL npx prisma generate && cd ../..
-## put DATABASE_URL in apps/web/.env
-RUN echo DATABASE_URL=$DATABASE_URL >> apps/web/.env
-RUN DATABASE_URL=$DATABASE_URL npm run build
-## Remove .env file
-RUN rm apps/web/.env
+RUN yarn global add turbo@^2.1.1
+
+RUN DATABASE_URL=$DATABASE_URL npx prisma generate --schema packages/db/prisma/schema.prisma
+
+RUN cd apps/web && yarn add sharp
+RUN yarn turbo run build --filter=web...
+
+# Stage 3: Production image
+FROM base AS runner
+WORKDIR /usr/src/app
+
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+
+RUN mkdir .next
+RUN chown nextjs:nodejs .next
+
+USER nextjs
+
+COPY --from=builder --chown=nextjs:nodejs /usr/src/app/apps/web/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /usr/src/app/apps/web/.next/static ./apps/web/.next/static
+COPY --from=builder --chown=nextjs:nodejs /usr/src/app/apps/web/public ./apps/web/public
 
 EXPOSE 3000
+ENV NODE_ENV production
+# For Standalone build
+ENV PORT 3000
+ENV HOSTNAME "0.0.0.0"
 
-CMD ["npm", "run", "start"]
+CMD ["node", "apps/web/server.js"]

apps/web/next.config.js

@@ -27,4 +27,5 @@ module.exports = {
   images: {
     domains: ["d2szwvl7yo497w.cloudfront.net", "appx-wsb-gcp.akamai.net.in"], // Add your domain here
   },
+  output: "standalone",
 };

apps/web/package.json

@@ -18,6 +18,7 @@
     "@radix-ui/react-slot": "^1.0.2",
     "@repo/db": "*",
     "@repo/ui": "*",
+    "@repo/store": "*",
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.1.0",
     "date-fns": "^3.6.0",

docker-compose.yml

@@ -1,6 +1,8 @@
 services:
   app:
-    build: .
+    build: 
+      context: .
+      dockerfile: Dockerfile
     container_name: daily-code-docker
     environment:
       - DATABASE_URL=postgresql://postgres:postgres@db:5432/postgres