# ============================================================
# Dockerfile — WALazy SaaS Production
# ============================================================
FROM node:20-alpine AS builder

WORKDIR /app

# Install system dependencies needed by Baileys (canvas, sharp)
RUN apk add --no-cache python3 make g++ cairo-dev pango-dev jpeg-dev giflib-dev

# Copy package files
COPY package*.json ./
RUN npm ci --only=production

# Copy source
COPY . .

# Build assets (Vite)
RUN npm run build 2>/dev/null || echo "No build script, skipping"

# ============================================================
FROM node:20-alpine AS runner

WORKDIR /app

# Runtime system deps
RUN apk add --no-cache cairo pango jpeg giflib tini

# Non-root user
RUN addgroup -S walazy && adduser -S walazy -G walazy

# Copy from builder
COPY --from=builder --chown=walazy:walazy /app/node_modules ./node_modules
COPY --chown=walazy:walazy . .

# Create required directories
RUN mkdir -p /app/sessions /app/tmp /app/public/uploads \
  && chown -R walazy:walazy /app/sessions /app/tmp /app/public

USER walazy

EXPOSE 3333

# Use tini for proper signal handling
ENTRYPOINT ["/sbin/tini", "--"]
CMD ["node", "ace", "serve", "--hmr=false"]
