Dockerfile

# ══════════════════════════════════════════════════════════════
#  Auto-Heal Locators — Dashboard Server
# ──────────────────────────────────────────────────────────────
#  Multi-stage build: compile TS → run compiled JS
#
#  Usage:
#    docker build -t auto-heal-dashboard .
#    docker run -p 4040:4040 -v ./data:/data auto-heal-dashboard
#
#  Or with docker-compose:
#    docker compose up -d
# ══════════════════════════════════════════════════════════════

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

WORKDIR /app

# Copy package files and install dependencies
COPY package.json tsconfig.json ./
RUN npm install

# Copy source and compile
COPY src/ ./src/
COPY types/ ./types/
RUN npm run build

# ── Stage 2: Runtime ──────────────────────────────────────────
FROM node:20-alpine

LABEL maintainer="auto-heal-locators"
LABEL description="Auto-Heal Locators Dashboard Server with real-time WebSocket updates"

WORKDIR /app

# Copy compiled output only (no source, no devDeps)
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/package.json ./

# Create data directory for persistence
RUN mkdir -p /data/reports && \
    chown -R node:node /data

# Use non-root user
USER node

# Environment defaults
ENV NODE_ENV=production \
    AUTO_HEAL_HISTORY_PATH=/data/history.json \
    AUTO_HEAL_REPORT_DIR=/data/reports \
    AUTO_HEAL_DASHBOARD_PORT=4040

# Expose dashboard port
EXPOSE 4040

# Health check
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD node -e "const http = require('http'); const req = http.get('http://localhost:4040/health', (res) => { process.exit(res.statusCode === 200 ? 0 : 1); }); req.on('error', () => process.exit(1)); req.setTimeout(3000, () => { req.destroy(); process.exit(1); });"

# Persistent data volume
VOLUME ["/data"]

# Start dashboard server
CMD ["node", "dist/cli/index.js", "dashboard", "--port", "4040"]