Dockerfile.frontend

# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package.json pnpm-lock.yaml* package-lock.json* ./

# Install dependencies (prefer pnpm if lock file exists)
RUN if [ -f pnpm-lock.yaml ]; then \
        corepack enable && corepack prepare pnpm@latest --activate && pnpm install --frozen-lockfile; \
    elif [ -f package-lock.json ]; then \
        npm ci; \
    else \
        npm install; \
    fi

# Copy source code
COPY . .

# Set environment variables for build
# API paths already include /api prefix in code, so baseURL should be empty
ENV NEXT_PUBLIC_API_URL=
ENV NODE_ENV=production

# Build Next.js application (standalone output)
RUN npm run build

# Production stage
FROM node:20-alpine

WORKDIR /app

# Set environment to production
ENV NODE_ENV=production

# Copy standalone output from builder
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost:3000/ || exit 1

# Start application
CMD ["node", "server.js"]