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Dockerfile

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+# ===========================================
+# Stage 1: Dependencies
+# ===========================================
+FROM node:20-alpine AS deps
+
+WORKDIR /app
+
+# Install libc6-compat and openssl for Prisma
+RUN apk add --no-cache libc6-compat openssl
+
+# Set dummy DATABASE_URL for Prisma generate (doesn't need real connection)
+ENV DATABASE_URL="postgresql://dummy:dummy@dummy:5432/dummy"
+
+# Copy package files
+COPY package.json package-lock.json* ./
+COPY prisma ./prisma/
+
+# Install dependencies
+RUN npm ci --include=dev
+
+# Generate Prisma client
+RUN npx prisma generate
+
+# ===========================================
+# Stage 2: Builder
+# ===========================================
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Copy dependencies from deps stage
+COPY --from=deps /app/node_modules ./node_modules
+COPY --from=deps /app/prisma ./prisma
+
+# Copy source files
+COPY . .
+
+# Build TypeScript
+RUN npm run build
+
+# Prune dev dependencies
+RUN npm prune --production
+
+# ===========================================
+# Stage 3: Production Runner
+# ===========================================
+FROM node:20-alpine AS runner
+
+WORKDIR /app
+
+# Install libc6-compat and openssl for Prisma (busybox includes netcat)
+RUN apk add --no-cache libc6-compat openssl
+
+# Create non-root user for security
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 appuser
+
+# Set environment
+ENV NODE_ENV=production
+ENV PORT=3000
+
+# Copy built files and dependencies
+COPY --from=builder /app/dist ./dist
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/prisma ./prisma
+COPY --from=builder /app/package.json ./
+COPY scripts/startup.sh ./scripts/startup.sh
+
+# Set ownership
+RUN chown -R appuser:nodejs /app
+
+# Make startup script executable
+RUN chmod +x ./scripts/startup.sh
+
+# Switch to non-root user
+USER appuser
+
+# Expose port
+EXPOSE 3000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
+  CMD wget --no-verbose --tries=1 --spider http://localhost:3000/health || exit 1
+
+# Start application with startup script
+CMD ["sh", "./scripts/startup.sh"]