fix: reduce docker image size (#557)

* feat: enable standalone output

* feat: update docker file

* fix: alias as base and pin node version

* fix: copy npm folder

* fix: install sharp

* build: update docker ignore

* fix: remove sharp from docker file

* fix: remove asteriks

* feat: add max http header size env

* fix: remove copy npm folder

.dockerignore

@@ -1,6 +1,13 @@
-node_modules
+Dockerfile
+.dockerignore
+**/node_modules
 npm-debug.log
+README.md
+.next
 .git
 .github
 _dev
 .vscode
+swagger
+uffizzi
+.husky

Dockerfile

@@ -5,41 +5,60 @@ FROM base AS deps
 # Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
 RUN apk add --no-cache libc6-compat
 WORKDIR /app
-COPY package.json package-lock.json ./
+
+# Install dependencies based on the preferred package manager
+COPY package.json package-lock.json  ./
 COPY npm npm
-RUN npm install --legacy-peer-deps
+RUN npm ci
+
+
 
 # Rebuild the source code only when needed
 FROM base AS builder
 WORKDIR /app
-COPY . .
+
 COPY --from=deps /app/npm ./npm
 COPY --from=deps /app/node_modules ./node_modules
-RUN npm run build && npm install --legacy-peer-deps --production --ignore-scripts --prefer-offline
+COPY . .
+
+
+# Next.js collects completely anonymous telemetry data about general usage.
+# Learn more here: https://nextjs.org/telemetry
+# Uncomment the following line in case you want to disable telemetry during the build.
+ENV NEXT_TELEMETRY_DISABLED 1
+
+RUN npm run build
+
 
 # Production image, copy all the files and run next
 FROM base AS runner
 WORKDIR /app
 
 ENV NODE_OPTIONS="--max-http-header-size=81920"
-ENV NODE_ENV production
 
-RUN addgroup -g 1001 -S nodejs
-RUN adduser -S nextjs -u 1001
+
+ENV NODE_ENV production
+# Uncomment the following line in case you want to disable telemetry during runtime.
+ENV NEXT_TELEMETRY_DISABLED 1
+
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+
 
 COPY --from=builder /app/public ./public
-COPY --from=builder --chown=nextjs:nodejs /app/.next ./.next
-COPY --from=builder /app/npm ./npm
-COPY --from=builder /app/node_modules ./node_modules
-COPY --from=builder /app/package.json ./package.json
+
+# Automatically leverage output traces to reduce image size
+# https://nextjs.org/docs/advanced-features/output-file-tracing
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+
 
 USER nextjs
 
 EXPOSE 5225
 
-# Next.js collects completely anonymous telemetry data about general usage.
-# Learn more here: https://nextjs.org/telemetry
-# Uncomment the following line in case you want to disable telemetry.
-ENV NEXT_TELEMETRY_DISABLED 1
+ENV PORT 5225
+
+CMD ["node", "server.js"]
+
 
-CMD ["npm", "start"]

next.config.js

@@ -2,6 +2,7 @@
 
 module.exports = {
   reactStrictMode: true,
+  output: 'standalone',
   webpack: (config, { webpack, isServer }) => {
     if (isServer) {
       // Module not found