fix(docker): bypass internal registry for base images to prevent 404s

Dockerfile

@@ -1,5 +1,9 @@
 # Stage 1: Builder
-FROM registry.infra.mintel.me/mintel/nextjs:v1.8.20 AS base
+FROM node:20-alpine AS base
+RUN apk add --no-cache libc6-compat curl
+
+# Enable pnpm
+RUN corepack enable && corepack prepare pnpm@10.3.0 --activate
 WORKDIR /app
 
 # Arguments for build-time configuration
@@ -52,12 +56,17 @@ ENV UV_THREADPOOL_SIZE=3
 RUN pnpm build
 
 # Stage 2: Runner
-FROM registry.infra.mintel.me/mintel/runtime:v1.8.20 AS runner
+FROM node:20-alpine AS runner
 WORKDIR /app
 
+# Install curl for health checks
+RUN apk add --no-cache curl
+
 # Create nextjs user and group (standardized in runtime image but ensuring local ownership)
-USER root
-RUN chown -R nextjs:nodejs /app
+RUN addgroup --system --gid 1001 nodejs && \
+    adduser --system --uid 1001 nextjs && \
+    chown -R nextjs:nodejs /app
+
 USER nextjs
 
 ENV HOSTNAME="0.0.0.0"