# --- Stage 1: Build Frontend ---
FROM node:20-alpine AS builder

WORKDIR /app

# Copy dependency files
COPY package*.json ./
RUN npm ci

# Copy source code (files in .dockerignore are excluded)
COPY . .

# Build the frontend
RUN npm run build

# --- Stage 2: Production Server ---
FROM node:20-alpine

WORKDIR /app

# Install dependencies for sqlite3
RUN apk add --no-cache python3 make g++

# Copy package files and install production dependencies
COPY package*.json ./
RUN npm ci --omit=dev

# Copy backend server and config
COPY server.js .
COPY metadata.json .

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

# 1. Create the uploads folder explicitly
# 2. Set ownership of the app directory to the 'node' user
RUN mkdir -p uploads && chown -R node:node /app

# Switch to non-root user
USER node

EXPOSE 3000

CMD ["node", "server.js"]