Dockerfile

# app/Dockerfile
FROM node:20-alpine AS base

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

# Install dependencies only when needed
FROM base AS deps
WORKDIR /app

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

# Install dependencies
RUN pnpm install --frozen-lockfile

# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app

COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Build the application
RUN pnpm run build

# Production image
FROM base AS runner
WORKDIR /app

ENV NODE_ENV=production

# Copy built application
COPY --from=builder /app/.output ./.output
COPY --from=builder /app/package.json ./package.json

# Expose port
EXPOSE 3000

# Start the application
CMD ["node", ".output/server/index.mjs"]