Dockerfile

# Multi-stage Dockerfile for Amar Pathagar Frontend

# --------------------------------------------------
# Dependencies Stage
# --------------------------------------------------
FROM node:20-alpine AS deps
WORKDIR /app

# Copy package files
COPY package.json package-lock.json ./

# Install dependencies
RUN npm ci

# --------------------------------------------------
# Builder Stage
# --------------------------------------------------
FROM node:20-alpine AS builder
WORKDIR /app

# Build argument for API URL
ARG NEXT_PUBLIC_API_URL=http://localhost:8080
ENV NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL

# Copy dependencies
COPY --from=deps /app/node_modules ./node_modules

# Copy source code
COPY . .

# Create public directory if it doesn't exist
RUN mkdir -p public

# Build the application with the provided API URL
RUN npm run build

# --------------------------------------------------
# Production Stage
# --------------------------------------------------
FROM node:20-alpine AS runner
WORKDIR /app

ENV NODE_ENV=production

# Create non-root user
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

# Copy necessary files
COPY --from=builder --chown=nextjs:nodejs /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

# Switch to non-root user
USER nextjs

# Expose port
EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

# Start the application
CMD ["node", "server.js"]