feat: add docker image build recipe

Bundle a build the app in a docker image with node alpine 16.

Author: h4sh3d

.dockerignore

@@ -0,0 +1,7 @@
+Dockerfile
+.dockerignore
+node_modules
+npm-debug.log
+README.md
+.next
+.git

Dockerfile

@@ -0,0 +1,54 @@
+# Install dependencies only when needed
+FROM node:16-alpine 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
+
+# Install dependencies based on the preferred package manager
+COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* ./
+RUN \
+    if [ -f yarn.lock ]; then yarn --frozen-lockfile && yarn add sharp; \
+    elif [ -f package-lock.json ]; then npm ci && npm i sharp; \
+    elif [ -f pnpm-lock.yaml ]; then yarn global add pnpm && pnpm i --frozen-lockfile && pnpm add sharp; \
+    else echo "Lockfile not found." && exit 1; \
+    fi
+
+
+# Rebuild the source code only when needed
+FROM node:16-alpine AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+ENV NEXT_TELEMETRY_DISABLED 1
+
+RUN yarn build
+
+# If using npm comment out above and use below instead
+# RUN npm run build
+
+# Production image, copy all the files and run next
+FROM node:16-alpine AS runner
+WORKDIR /app
+
+ENV NODE_ENV production
+ENV NEXT_TELEMETRY_DISABLED 1
+
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+
+COPY --from=builder /app/public ./public
+
+# 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
+COPY --from=builder --chown=nextjs:nodejs /app/.next/server ./.next/server
+
+USER nextjs
+
+EXPOSE 3000
+
+ENV PORT 3000
+
+CMD ["node", "server.js"]

next.config.js

@@ -5,6 +5,7 @@ const nextConfig = {
   experimental: {
     appDir: true,
   },
+  output: 'standalone',
 }
 
 module.exports = nextConfig