Dockerfile

# Multi-stage build for Aspire OTA Backend
# This Dockerfile is at repo root to work with Coolify
FROM node:20-alpine AS builder
WORKDIR /app
COPY ota-backend/package*.json ./
RUN npm ci
COPY ota-backend/ ./
RUN npm run build

FROM node:20-alpine
WORKDIR /app

# Create non-root user
RUN addgroup -g 1001 -S nodejs && adduser -S nodejs -u 1001

# Copy built application
COPY --from=builder --chown=nodejs:nodejs /app/dist ./dist
COPY --from=builder --chown=nodejs:nodejs /app/node_modules ./node_modules
COPY --from=builder --chown=nodejs:nodejs /app/package.json ./

# Create data directory for version metadata
RUN mkdir -p data && chown nodejs:nodejs data

USER nodejs
EXPOSE 3000

ENV NODE_ENV=production

HEALTHCHECK --interval=30s --timeout=3s \
  CMD wget -qO- http://localhost:3000/health || exit 1

CMD ["node", "dist/app.js"]