FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./
RUN npm ci

# Copy source files
COPY . .

# Set environment variables for build
ENV VITE_API_URL=http://localhost/api
ENV VITE_WS_URL=ws://localhost/ws
ENV VITE_STREAM_PORT=8088

# Generate .svelte-kit directory
RUN npx svelte-kit sync

# Build the application
RUN npm run build

# Production stage
FROM node:20-alpine

WORKDIR /app

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

# Install production dependencies only
RUN npm ci --omit=dev

# Expose port
EXPOSE 3000

# Set environment to production
ENV NODE_ENV=production

CMD ["node", "build"]