Dockerfile

# Multi-stage Dockerfile for Next.js application with Genkit AI support

# Development stage
FROM node:18-alpine AS development
WORKDIR /app

# Install dependencies
COPY package*.json ./
RUN npm ci

# Copy source code
COPY . .

# Expose ports for Next.js dev server and Genkit dev server
EXPOSE 9005 4000

# Start development servers (run Genkit in background, then Next.js in foreground)
CMD ["sh", "-c", "npm run genkit:dev & npm run dev"]

# Production dependencies stage
FROM node:18-alpine AS dependencies
WORKDIR /app
COPY package*.json ./
RUN npm ci --only=production && npm cache clean --force

# Build stage
FROM node:18-alpine AS builder
WORKDIR /app

# Copy package files
COPY package*.json ./
RUN npm ci

# Copy source code and build
COPY . .
RUN npm run build

# Production stage
FROM node:18-alpine AS production
WORKDIR /app

# Install dumb-init for proper signal handling
RUN apk add --no-cache dumb-init

# Create non-root user
RUN addgroup -g 1001 -S nodejs
RUN adduser -S nextjs -u 1001

# Copy built application
COPY --from=builder --chown=nextjs:nodejs /app/.next ./.next
COPY --from=builder --chown=nextjs:nodejs /app/public ./public
COPY --from=dependencies --chown=nextjs:nodejs /app/node_modules ./node_modules
COPY --chown=nextjs:nodejs package*.json ./

USER nextjs

EXPOSE 3000

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

CMD ["dumb-init", "npm", "start"]