# Smart App City — Web build (Expo/React Native Web)
# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package.json package-lock.json ./

# Install dependencies
RUN npm ci --legacy-peer-deps

# Copy source
COPY . .

# Build web version
RUN npx expo export --platform web --output-dir dist

# Serve stage — lightweight nginx
FROM nginx:alpine

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

# Nginx config for SPA routing
RUN echo 'server { \
    listen 80; \
    server_name _; \
    root /usr/share/nginx/html; \
    index index.html; \
    location / { \
        try_files $uri $uri/ /index.html; \
    } \
    location ~* \.(js|css|png|jpg|jpeg|gif|svg|ico|woff|woff2|ttf|eot)$ { \
        expires 1y; \
        add_header Cache-Control "public, immutable"; \
    } \
}' > /etc/nginx/conf.d/default.conf

EXPOSE 80

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