fixing jsonSchema validation by using zod

docker/Dockerfile

@@ -0,0 +1,49 @@
+# Stage 1: Builder
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm ci --only=production
+
+# Stage 2: Production
+FROM node:20-alpine
+
+# Install dumb-init for proper signal handling
+RUN apk add --no-cache dumb-init
+
+# Create non-root user
+RUN addgroup -g 1001 -S gds && \
+    adduser -S -D -H -u 1001 -h /app -s /sbin/nologin -G gds -g gds gds
+
+WORKDIR /app
+
+# Copy dependencies from builder
+COPY --from=builder --chown=gds:gds /app/node_modules ./node_modules
+
+# Copy application source
+COPY --chown=gds:gds src ./src
+COPY --chown=gds:gds package.json ./
+
+# Set environment variables
+ENV NODE_ENV=production \
+    LOG_LEVEL=info \
+    VALKEY_HOST=valkey \
+    VALKEY_PORT=6379
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
+    CMD node -e "const Redis = require('ioredis'); const client = new Redis({ host: process.env.VALKEY_HOST, port: process.env.VALKEY_PORT, lazyConnect: true }); client.connect().then(() => client.ping()).then(() => process.exit(0)).catch(() => process.exit(1));"
+
+# Switch to non-root user
+USER gds
+
+# Expose MCP server (stdio, no network port)
+# MCP servers use stdio transport, not network ports
+
+# Start server with dumb-init
+ENTRYPOINT ["/usr/bin/dumb-init", "--"]
+CMD ["node", "src/index.js"]