FROM node:20-alpine AS builder

WORKDIR /app

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

# Copy source files
COPY . .

# Build application
RUN npm run build

# Production stage
FROM nginx:alpine

# Copy built files
COPY --from=builder /app/dist /usr/share/nginx/html

# Copy nginx config
COPY nginx.conf /etc/nginx/conf.d/default.conf

EXPOSE 3000

CMD ["nginx", "-g", "daemon off;"]