Dockerfile.ui

# Build stage
FROM node:22-alpine AS builder

ARG APP_VERSION=""

WORKDIR /app

# Copy package files first for caching
COPY ui/package.json ui/package-lock.json ./
RUN npm ci

# Copy source code
COPY ui/ .

# Remove symlink and create empty results directory for build
RUN rm -f public/results && mkdir -p public/results

# Build the UI (VITE_APP_VERSION is baked in at build time)
ENV VITE_APP_VERSION=${APP_VERSION}
RUN npm run build

# Final stage
FROM nginx:alpine

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

# Copy nginx config for SPA routing
RUN echo 'server { \
    listen 80; \
    root /usr/share/nginx/html; \
    index index.html; \
    location / { \
        try_files $uri $uri/ /index.html; \
    } \
    location /results { \
        try_files $uri =404; \
        add_header Cache-Control no-transform; \
    } \
    location /assets { \
        expires 1y; \
        add_header Cache-Control "public, immutable"; \
    } \
}' > /etc/nginx/conf.d/default.conf

EXPOSE 80

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