Dockerfile

# Stage 1: Dependencies
FROM node:20-alpine AS deps
RUN apk add --no-cache libc6-compat
WORKDIR /app

# Install pnpm
RUN corepack enable && corepack prepare pnpm@10.18.1 --activate

# Copy dependency files
COPY package.json pnpm-lock.yaml ./

# Install dependencies
RUN pnpm install --frozen-lockfile


# Stage 2: Builder
FROM node:20-alpine AS builder
WORKDIR /app

# Install pnpm
RUN corepack enable && corepack prepare pnpm@10.18.1 --activate

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

# Copy all source files
COPY . .

# Set environment variable to skip validation during build
# You can override this with actual env vars during build if needed
ENV SKIP_ENV_VALIDATION=1
ENV NEXT_TELEMETRY_DISABLED=1

# Build the application
RUN pnpm build


# Stage 3: Runner
FROM node:20-alpine AS runner
WORKDIR /app

# Set production environment
ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
ENV NODE_OPTIONS=--enable-source-maps

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

# Copy necessary files from builder
COPY --from=builder /app/public ./public
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/.next/server ./.next/server

# Set correct permissions
RUN chown -R nextjs:nodejs /app

# 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"]