# ==============================================================================
# Base stage - Common dependencies and setup
# ==============================================================================
# NOTE: This Dockerfile should be built from the monorepo root, not from apps/api
# Build command: docker build -f apps/api/Dockerfile -t xtablo-api .
FROM node:20-alpine AS base

# Build argument for NODE_ENV
ARG NODE_ENV=production

# Install security updates and pnpm
RUN apk --no-cache upgrade && \
    corepack enable && \
    corepack prepare pnpm@latest --activate

# Create app directory and set up non-root user
WORKDIR /app
RUN addgroup -g 1001 -S nodejs
RUN adduser -S nodejs -u 1001

# Copy workspace configuration and root package files
COPY pnpm-workspace.yaml package.json pnpm-lock.yaml ./

# Copy packages directory (shared packages)
COPY packages ./packages

# Copy api app package.json
COPY apps/api/package.json ./apps/api/package.json

# ==============================================================================
# Dependencies stage - Install all dependencies
# ==============================================================================
FROM base AS deps

# Install all dependencies (including devDependencies for build)
# This installs dependencies for the entire workspace
RUN pnpm install --frozen-lockfile

# ==============================================================================
# Build stage - Compile TypeScript
# ==============================================================================
FROM deps AS build

# Copy api source code
COPY apps/api ./apps/api

# Build the api application
WORKDIR /app/apps/api
RUN pnpm run build

# ==============================================================================
# Production dependencies stage - Install only production dependencies
# ==============================================================================
FROM base AS prod-deps

# Install only production dependencies
RUN pnpm install --frozen-lockfile --prod && pnpm store prune

# ==============================================================================
# Final stage - Production image
# ==============================================================================
FROM base AS final

# Copy built api application
COPY --from=build /app/apps/api/dist ./apps/api/dist
COPY --from=build /app/apps/api/package.json ./apps/api/package.json

# Copy shared packages (needed for workspace resolution)
COPY --from=prod-deps /app/packages ./packages

# Install production dependencies
# This ensures proper symlink structure for pnpm
RUN pnpm install --frozen-lockfile --prod --filter @xtablo/api...

# Set working directory to api app
WORKDIR /app/apps/api

# Change ownership to nodejs user
RUN chown -R nodejs:nodejs /app

# Switch to non-root user
USER nodejs

# Expose port
EXPOSE 8080

# NODE_ENV will be set via Cloud Run environment variables
# Start the application
CMD ["pnpm", "start"]