# Multi-stage build for Svelte monorepo

# Builder stage
FROM node:20-slim AS builder

WORKDIR /workspace

# Install minimal system dependencies
RUN apt-get update \
  && apt-get install -y --no-install-recommends \
    ca-certificates \
    git \
  && rm -rf /var/lib/apt/lists/*

# Install the preferred PNPM version globally
RUN npm install -g pnpm@10.4.0

# Copy manifests first for caching purposes
COPY package.json pnpm-workspace.yaml ./

# Copy the rest of the repository
COPY . .

# Install dependencies (respect workspace layout)
RUN if [ -f pnpm-lock.yaml ]; then pnpm install --frozen-lockfile; else pnpm install; fi

# Build the monorepo
RUN pnpm build

# Runtime stage
FROM node:20-slim AS runtime

WORKDIR /app

# Copy built artifacts to lean runtime image
COPY --from=builder /workspace/packages/svelte/compiler /app/compiler

# Run the built compiler at container start
CMD ["node", "/app/compiler/index.js"]