Dockerfile

# Stage 1: Install dependencies
FROM node:20-alpine AS deps
WORKDIR /app

# Install pnpm globally
RUN corepack enable && corepack prepare pnpm@latest --activate

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

# Install ALL dependencies
RUN pnpm install --frozen-lockfile --ignore-scripts

# Stage 2: Build the application
FROM node:20-alpine AS builder
WORKDIR /app

RUN corepack enable && corepack prepare pnpm@latest --activate

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

# Copy source code
COPY . .

# Build Next.js app
RUN pnpm run build

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

ENV NODE_ENV=production


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

# Copy built files
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/public ./public
COPY --from=builder /app/package.json ./
COPY --from=builder /app/next.config.* ./

EXPOSE 3000
ENV HOSTNAME="0.0.0.0"
ENV PORT=3000
CMD ["node_modules/.bin/next", "start"]