# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

COPY package*.json ./
RUN npm ci

COPY . .
RUN npm run build

# Production stage
FROM node:20-alpine

WORKDIR /app

# Install production dependencies only
COPY package*.json ./
RUN npm ci --only=production

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

# Create non-root user
RUN addgroup -g 1001 -S nodejs
RUN adduser -S nestjs -u 1001
USER nestjs

EXPOSE 3000

CMD ["node", "dist/main"]