# Multi-stage build for production optimization
FROM node:18-alpine AS development

# Set working directory
WORKDIR /usr/src/app

# Copy package files
COPY package*.json yarn.lock ./

# Install dependencies
RUN yarn install --frozen-lockfile

# Copy source code
COPY . .

# Expose port
EXPOSE 3000

# Development command
CMD ["yarn", "start:dev"]

# Production build stage
FROM node:18-alpine AS build

WORKDIR /usr/src/app

# Copy package files
COPY package*.json yarn.lock ./

# Install dependencies
RUN yarn install --frozen-lockfile

# Copy source code
COPY . .

# Build the application
RUN yarn build

# Production stage
FROM node:18-alpine AS production

WORKDIR /usr/src/app

# Copy package files
COPY package*.json yarn.lock ./

# Install only production dependencies
RUN yarn install --frozen-lockfile --production && yarn cache clean

# Copy built application
COPY --from=build /usr/src/app/dist ./dist

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

# Change ownership of the app directory
USER nestjs

# Expose port
EXPOSE 3000

# Production command
CMD ["node", "dist/main"]