# Build stage
FROM node:lts-alpine AS build
WORKDIR /app

# Install dependencies first to leverage Docker cache
COPY package*.json ./
RUN npm ci --no-audit --no-fund --omit=dev && \
    npm cache clean --force

# Copy source code and build
COPY . .
RUN npm run build

# Runtime stage
FROM httpd:2.4-alpine AS runtime

# Copy custom httpd config if needed
# COPY ./httpd.conf /usr/local/apache2/conf/httpd.conf

# Copy built assets from build stage
COPY --from=build /app/dist /usr/local/apache2/htdocs/

# Add security headers
RUN echo 'Header set X-Content-Type-Options "nosniff"' >> /usr/local/apache2/conf/httpd.conf && \
    echo 'Header set X-Frame-Options "SAMEORIGIN"' >> /usr/local/apache2/conf/httpd.conf && \
    echo 'Header set X-XSS-Protection "1; mode=block"' >> /usr/local/apache2/conf/httpd.conf

EXPOSE 80

# Health check
HEALTHCHECK --interval=30s --timeout=3s \
    CMD wget --quiet --tries=1 --spider http://localhost:80/ || exit 1