chore: reduce docker image size

Dockerfile

@@ -1,23 +1,21 @@
-FROM node:16.17.0 AS dependencies
+FROM node:16.17.1 AS dependencies
 WORKDIR /usr/src/app
 COPY ./package*.json ./
 RUN npm install
 
-FROM node:16.17.0 AS builder
+FROM node:16.17.1 AS builder
 WORKDIR /usr/src/app
 COPY ./ ./
 COPY --from=dependencies /usr/src/app/node_modules ./node_modules
 RUN npm run build
 
-FROM node:16.17.0 AS runner
+FROM node:16.17.1 AS runner
 WORKDIR /usr/src/app
 ENV NODE_ENV=production
-COPY --from=builder /usr/src/app/next.config.js ./next.config.js
+ENV NEXT_TELEMETRY_DISABLED 1
+COPY --from=builder /usr/src/app/.next/standalone ./
+COPY --from=builder /usr/src/app/.next/static ./.next/static
 COPY --from=builder /usr/src/app/public ./public
-COPY --from=builder /usr/src/app/.next ./.next
-COPY --from=builder /usr/src/app/i18n.json ./i18n.json
 COPY --from=builder /usr/src/app/locales ./locales
-COPY --from=builder /usr/src/app/pages ./pages
-COPY --from=builder /usr/src/app/node_modules ./node_modules
-RUN npx next telemetry disable
-CMD ["node_modules/.bin/next", "start", "--port", "${PORT}"]
+COPY --from=builder /usr/src/app/next.config.js ./next.config.js
+CMD ["node", "server.js"]

docker-compose.yml

@@ -5,7 +5,7 @@ services:
     build:
       context: './'
     ports:
-      - '${PORT}:${PORT}'
+      - '${PORT-3000}:${PORT-3000}'
     environment:
-      PORT: ${PORT}
+      PORT: ${PORT-3000}
     env_file: './.env'

next.config.js

@@ -7,6 +7,7 @@ const nextTranslate = require('next-translate')
 /** @type {import("next").NextConfig} */
 module.exports = nextTranslate(
   nextPWA({
-    reactStrictMode: true
+    reactStrictMode: true,
+    output: 'standalone'
   })
 )