# Multi-stage build for AdonisJS 6 application
# Stage 1: Dependencies installation
FROM node:20-alpine AS dependencies

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install all dependencies (including devDependencies for building)
RUN npm ci

# Stage 2: Build application
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files first
COPY package*.json ./

# Copy dependencies from previous stage
COPY --from=dependencies /app/node_modules ./node_modules

# Copy source code
COPY . .

# Build the application (compiles TypeScript and creates production build in build/)
# Using npm run build ensures proper environment setup
RUN npm run build

# Stage 3: Production runtime
FROM node:20-alpine AS production

# Install dumb-init for proper signal handling + ca-certificates for HTTPS
RUN apk add --no-cache dumb-init ca-certificates

WORKDIR /app

# Create non-root user for security
RUN addgroup -g 1001 -S nodejs && \
    adduser -S adonisjs -u 1001

# Copy built application from builder stage
COPY --from=builder --chown=adonisjs:nodejs /app/build ./

# Install production dependencies only
# The build folder contains its own package.json with production dependencies
RUN npm ci --omit=dev

# Set environment to production
ENV NODE_ENV=production
ENV PORT=3333
ENV HOST=0.0.0.0

# Expose application port
EXPOSE 3333

# Switch to non-root user
USER adonisjs

# Use dumb-init to handle signals properly (for graceful shutdown)
ENTRYPOINT ["dumb-init", "--"]

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