# --- STAGE 1: Base build environment ---
FROM node:lts-alpine3.23 AS base
WORKDIR /app
COPY package.json package-lock.json ./

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

# Install necessary dependencies for sharp used by next/image (for image optimization)
RUN apk add --no-cache libc6-compat

# --- STAGE 2: Environments
# Development
FROM base AS development
ARG ENVIRONMENT=development
ENV NODE_ENV=$ENVIRONMENT
EXPOSE 3000
CMD ["npm", "run", "dev"]

# Production
FROM base AS build
ARG ENVIRONMENT=production
ENV NODE_ENV=$ENVIRONMENT
RUN npm run build

#--- STAGE 3: Production runtime environment
FROM node:lts-alpine3.23 AS production
WORKDIR /app
COPY --from=build /app/.next ./.next
COPY --from=build /app/package.json ./package.json
COPY --from=build /app/package-lock.json ./package-lock.json
COPY --from=build /app/public ./public
COPY --from=build /app/node_modules ./node_modules
EXPOSE 3000
CMD ["npm", "run", "start"]