# ============================================================
# INSIGHT Frontend - Multi-Stage Dockerfile
# ============================================================

# --- Base Stage ---
FROM node:20-alpine AS base
WORKDIR /app

# --- Dependencies Stage ---
FROM base AS deps
COPY package.json package-lock.json* ./
RUN npm ci

# --- Development Stage ---
FROM base AS development
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
EXPOSE 8080
CMD ["npm", "run", "dev"]

# --- Build Stage ---
FROM base AS build
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

# --- Production Stage ---
FROM nginx:alpine AS production
COPY --from=build /app/dist /usr/share/nginx/html
COPY nginx.conf /etc/nginx/conf.d/default.conf
EXPOSE 8080
CMD ["nginx", "-g", "daemon off;"]