# =============================================================================
# Wallet Service Dockerfile
# =============================================================================

# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./
COPY tsconfig*.json ./
COPY nest-cli.json ./

# Copy Prisma schema
COPY prisma ./prisma/

# Install dependencies
RUN npm install

# Generate Prisma client (dummy DATABASE_URL for build time only)
RUN DATABASE_URL="postgresql://user:pass@localhost:5432/db" npx prisma generate

# Copy source code
COPY src ./src

# Build TypeScript
RUN npm run build

# Verify build output exists
RUN ls -la dist/ && test -f dist/main.js

# Production stage - use Debian slim for OpenSSL compatibility
FROM node:20-slim

WORKDIR /app

# Install OpenSSL and wget for health checks
RUN apt-get update && apt-get install -y --no-install-recommends \
    openssl \
    wget \
    && rm -rf /var/lib/apt/lists/*

# Install production dependencies only
COPY package*.json ./
RUN npm install --omit=dev

# Copy Prisma schema and generate client (dummy DATABASE_URL for build time only)
COPY prisma ./prisma/
RUN DATABASE_URL="postgresql://user:pass@localhost:5432/db" npx prisma generate

# Copy built files
COPY --from=builder /app/dist ./dist

# Create non-root user
RUN groupadd -g 1001 nodejs && \
    useradd -u 1001 -g nodejs nestjs

# Switch to non-root user
USER nestjs

# Expose port
EXPOSE 3001

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
  CMD wget -q --spider http://localhost:3001/health || exit 1

# Start service
CMD ["node", "dist/main.js"]