# ---- Stage 1: Build ----
FROM node:24-alpine AS builder

WORKDIR /app

# Install dependencies first (for caching)
COPY package.json package-lock.json* pnpm-lock.yaml* bun.lockb* ./
# If you're using pnpm or bun, adjust the install command below
RUN npm install

# Copy the source code
COPY . .

# Build the SvelteKit app
RUN npm run build

# ---- Stage 2: Production Runtime ----
FROM node:24-alpine AS runtime

WORKDIR /app

# Copy built output and production deps
COPY --from=builder /app/package.json ./
COPY --from=builder /app/build ./build
COPY --from=builder /app/node_modules ./node_modules

# Default environment variables
ENV NODE_ENV=production
ENV PORT=3000

EXPOSE 3000

# Start the SvelteKit app
CMD ["node", "build"]