fix: add go.sum and fixes

dashboard/Dockerfile

@@ -0,0 +1,43 @@
+# ═══════════════════════════════════════════════════════════
+# 🐍 OPHION Dashboard - Dockerfile
+# ═══════════════════════════════════════════════════════════
+
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+RUN npm ci
+
+# Copy source
+COPY . .
+
+# Build
+ENV NEXT_TELEMETRY_DISABLED=1
+RUN npm run build
+
+# Runtime
+FROM node:20-alpine
+
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+
+RUN addgroup -g 1001 -S nodejs && \
+    adduser -S nextjs -u 1001
+
+# Copy built files
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/.next/standalone ./
+COPY --from=builder /app/.next/static ./.next/static
+
+USER nextjs
+
+EXPOSE 3000
+
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
+
+CMD ["node", "server.js"]