Update Dockerfile

Dockerfile

@@ -5,9 +5,8 @@
 FROM node:20-alpine AS builder
 WORKDIR /app
 
-# Install build dependencies only (no n8n runtime packages)
 COPY tsconfig.json ./
-RUN --mount=type=cache,id=builder-npm-cache,target=/root/.npm \
+RUN --mount=type=cache,target=/root/.npm,id=npm-cache-builder \
     echo '{}' > package.json && \
     npm install --no-save typescript@^5.8.3 @types/node@^22.15.30 @types/express@^5.0.3 \
         @modelcontextprotocol/sdk@^1.12.1 dotenv@^16.5.0 express@^5.1.0 axios@^1.10.0 \
@@ -22,24 +21,20 @@ WORKDIR /app
 
 RUN apk add --no-cache curl && rm -rf /var/cache/apk/*
 
-# Use only runtime deps
 COPY package.runtime.json package.json
-RUN --mount=type=cache,id=runtime-npm-cache,target=/root/.npm \
+RUN --mount=type=cache,target=/root/.npm,id=npm-cache-runtime \
     npm install --production --no-audit --no-fund
 
-# Copy built app and essential files
 COPY --from=builder /app/dist ./dist
 COPY data/nodes.db ./data/
 COPY src/database/schema-optimized.sql ./src/database/
 COPY .env.example ./
 
-# Container labels
 LABEL org.opencontainers.image.source="https://github.com/czlonkowski/n8n-mcp"
 LABEL org.opencontainers.image.description="n8n MCP Server - Runtime Only"
 LABEL org.opencontainers.image.licenses="MIT"
 LABEL org.opencontainers.image.title="n8n-mcp"
 
-# Run as non-root user for security
 RUN addgroup -g 1001 -S nodejs && \
     adduser -S nodejs -u 1001 && \
     chown -R nodejs:nodejs /app
@@ -47,12 +42,9 @@ USER nodejs
 
 ENV IS_DOCKER=true
 
-# Railway exposes $PORT, but default to 3000 if not set
 EXPOSE 3000
 
-# Healthcheck respects dynamic port
 HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
   CMD curl -f http://127.0.0.1:${PORT:-3000}/health || exit 1
 
-# Main CMD: always run HTTP mode (so Claude etc can reach it, and Railway works)
 CMD ["node", "dist/mcp/index.js", "--http"]