# Build stage for React client
FROM node:20-alpine AS client-builder

WORKDIR /app/client

# Copy client package files
COPY client/package*.json ./

# Install dependencies
RUN npm ci

# Copy client source
COPY client/src ./src
COPY client/public ./public

# Build React app
RUN npm run build

# Final stage - Node.js server
FROM node:20-alpine

WORKDIR /app

# Install dumb-init for proper signal handling
RUN apk add --no-cache dumb-init

# Copy server package files
COPY package*.json ./

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

# Copy server code
COPY server ./server

# Copy built React client from builder stage
COPY --from=client-builder /app/client/build ./client/build

# Create data directory and set permissions
RUN mkdir -p /app/data && chown -R 1001:1001 /app

# Create non-root user
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nodejs -u 1001

USER nodejs

# Expose port
EXPOSE 3001

# Use dumb-init to handle signals properly
ENTRYPOINT ["dumb-init", "--"]

# Start the server
CMD ["node", "server/index.js"]